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  • Portrait of Bruce Hungate

    Bruce Hungate

    Director, Regents' Professor of Ecosystem Science, and McAllister Chair in Community, Culture, and Environment
    Global change
    Microbial ecology
    Bruce.Hungate@nau.edu
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    Research Interests Hungate’s research focuses on the ecology and management of global change, and microbial ecology from humans to the globe. His research occurs in grasslands, woodlands, forests, and rivers. He uses experiments, models, and data syntheses to understand how ecosystems respond to global change. He co-founded the Professional Science Masters’ degree program in Climate […]
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  • Portrait of George Koch

    George Koch

    Associate Director and Professor in Ecosystem Science
    Physiological ecology
    Global change biology
    George.Koch@nau.edu
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    Research Interests Koch’s research focuses on understanding the biophysical and ecological interactions of plants with their environments, including features affected by human-driven global change. He has worked in a variety of terrestrial ecosystems ranging from tropical and temperate rainforests to deserts. Much of his research explores the interaction of water relations and carbon metabolism, a […]
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  • Yiqi LLuo headshot

    Yiqi Luo

    Professor in Ecosystem Science
    Ecosystem ecology
    Carbon and nitrogen cycles
    Ecological modeling
    Earth system science
    yiqi.luo@nau.edu
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    Research Interests Yiqi Luo conducts research mainly in areas of ecosystem ecology, global change biology, biogeochemistry, ecological modeling, and Earth system science. He has conducted or been involved in various global change experiments in grasslands, forests, deserts, and wetlands. His lab is among the first for development and applications of data assimilation to ecological research for improving models […]
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  • Portrait of Michelle Mack

    Michelle Mack

    Professor in Ecosystem Science
    Ecosystem and community ecology
    Plant-soil microbe interactions
    Michelle.Mack@nau.edu
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    Research Interests As global temperatures increase, fragile ecosystems across the world are facing drastic changes, such as more extreme forest fires and increasingly severe droughts. Dr. Michelle Mack, a professor at NAU’s Center for Ecosystem Science and Society (ECOSS) and a recognized leader in plant and ecosystem ecology, is researching how global climate change is […]
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  • Portrait of Jane Marks

    Jane Marks

    Professor in Biological Sciences
    Aquatic Ecology
    Freshwater food webs
    Ecosystems
    Jane.Marks@nau.edu
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      Research/teaching interests studies of how abiotic and biotic factors structure freshwater food webs anthropogenic disturbances of watershed nutrient loading alterations of flow regimes upon river food webs  
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  • Andrew Richardson

    Professor, ECOSS/SICCS
    Terrestrial ecosystems
    Global change
    Biosphere-atmosphere interactions and Phenology
    Andrew.Richardson@nau.edu
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    Research Interests Professor Richardson is an ecologist whose research addresses the impacts of global change on terrestrial ecosystems, and the feedbacks between terrestrial ecosystems and the atmosphere and climate system. Richardson’s research focuses on (1) the exchanges of carbon, water, and energy between the land surface and the atmosphere; (2) phenology, or the seasonality of […]
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  • Portrait of Ted Schuur

    Ted Schuur

    Professor in Ecosystem Science
    Feedback from terrestrial ecosystems to climate change
    Arctic ecosystems
    Ted.Schuur@nau.edu
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    Research Interests Understanding feedbacks from terrestrial ecosystems to climate change is Schuur’s main research interest. He focuses on the response of Arctic ecosystems in a warmer world, which is key for understanding how natural ecosystems interact with human emissions to control the overall pace of climate change. Dr. Schuur spends the summer in Alaska living […]
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  • Portrait of Egbert Schwartz

    Egbert Schwartz

    Professor and Director of the Laboratory for Isotope, Molecular, and Ecosystem Science
    Microbial ecology
    Bioremediation
    Ecosystem ecology
    Egbert.Schwartz@nau.edu
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    Schwartz’s research focuses on the interaction between microbial populations and their environment. He is particularly interested in the relationships between microbial growth or activity and soil processes. His educational aim is to get students excited about all aspects of biology, ranging from molecular biology to ecosystem ecology and, through research, to bridge an array of […]
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  • Portrait of Paul_Dijkstra

    Paul Dijkstra

    Research Professor
    Climate change effects on terrestrial ecosystems
    Applications of stable isotopes on C and N cycling processes
    Paul.Dijkstra@nau.edu
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    Research Interests Dijkstra’s research focuses on various aspects of climate change effects on terrestrial ecosystems and applications of stable isotopes in the study of short and long-term C and N cycling processes. These studies allow him to work in a large range of ecosystems, from desert grasslands to tropical forests, from mountain streams to hot […]
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  • Brad Butterfield

    Assistant Research Professor
    Plant ecology
    Biodiversity and ecosystem functioning
    Dryland ecosystems
    Bradley.Butterfield@nau.edu
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    Dr. Butterfield conducts research on the drivers of biodiversity and the implications of that diversity for ecosystem functioning. Much of his work is focused on the incredible functional diversity of desert plant communities, including the historical biogeography that has shaped current regional species pools, the interactive effects of temperature and precipitation extremes on viable functional […]
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  • Headshot Mariah Carbone

    Mariah Carbone

    Assistant Research Professor
    Earth system science
    Terrestrial carbon cycling
    Isotopes (especially 14C)
    mariah.carbone@nau.edu
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    Research Interests Carbone is interested in the response of terrestrial ecosystems to environmental change, and their role in the Earth’s climate system.  Her research focuses on carbon cycling in plants and soils, with expertise in the application of isotopes as tracers of processes.  Her overarching research question is:  what is the fate of carbon in terrestrial ecosystems?  This topic spans […]
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  • Karen Haubensak

    Assistant Research Professor
    Invasions
    Restoration
    Soil-plant feedbacks
    Nutrient dynamics
    Mycorrhizal mutualisms
    Species interactions
    Local adaptation
    karen.haubensak@nau.edu
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    Dr. Haubensak is a field ecologist who works at the interface of communities and ecosystems, examining plant-soil interactions in the context of restoration, biological invasions, and climate change. Full Curriculum Vitae Selected Publications Grove, S., Haubensak KA, Gehring C, and Parker IM (2017) Mycorrhizae, invasions, and the temporal dynamics of mutualism disruption. Journal of Ecology […]
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  • Portrait of Christina Schädel

    Christina Schädel

    Assistant Research Professor
    Global carbon cycle
    Permafrost carbon
    Climate change
    Christina.Schaedel@nau.edu
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    Research Interests Schädel is a biogeochemist and plant ecophysiologist with expertise in climate change, ranging from arctic warming impacts on permafrost carbon to plant responses to elevated carbon dioxide. Her work has included empirical, modeling, and synthesis approaches. Currently, as Assistant Research Professor at Northern Arizona University, she conducts synthesis research on the vulnerability of […]
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  • christopher schwalm headshot

    Christopher Schwalm

    Assistant Research Professor
    Global change ecology
    Earth system modeling
    Terrestrial biogeochemistry
    Machine learning in the biogeosciences
    christopher.schwalm@nau.edu
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    Research Interests Schwalm’s research focuses on how carbon, water, and plant nutrients cycle through land systems. He examines the natural and global change drivers of terrestrial biogeochemistry  This includes extensive work on drought, its impact on carbon cycling as well as ecosystem response and recovery to drought events. In addition, he performs research toward improving […]
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Affiliated Faculty

  • Portrait of Greg Caporaso

    Greg Caporaso

    Affiliated Faculty, Associate Professor/Director of the The Pathogen & Microbiome Institute
    Microbial ecology
    Micro-organisms in human health and disease
    Software development
    GregCaporaso@gmail.com
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    Research Interests The Caporaso Lab is located in the Center for Microbial Genetics and Genomics at Northern Arizona University. We are an applied bioinformatics lab, developing and using software for studying communities of micro-organisms. Teaching Dr. Caporaso teaches graduate and undergraduate bioinformatics in the Biology and Computer Science departments at Northern Arizona University. You can […]
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  • scott goetz headshot

    Scott Goetz

    Affiliated Faculty, Professor at Northern Arizona University
    Environmental informatics
    Carbon cycle science
    Climate change and terrestrial ecology
    Scott.Goetz@nau.edu
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    Research Interests Dr. Scott Goetz is a Professor at Northern Arizona University. He is the Science Lead of NASA’s Arctic Boreal Vulnerability Experiment and Deputy principal investigator of NASA’s Global Ecosystem Dynamics Investigation. He has published over 160 refereed publications, which have been cited over 17,000 times. His research has been covered by numerous new agencies […]
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  • Portrait of Debbie Huntzinger

    Deborah N. Huntzinger

    Affiliated Faculty/Associate Professor, Climate Sciences
    Climate change
    Terrestrial carbon cycling
    Carbon capture and storage
    deborah.huntzinger@nau.edu
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    Research Interests Dr. Huntzinger’s research interests focus on improving the understanding of complex environmental systems and our ability to forecast their future variability. Her current research interests are in the integration and comparison of environmental remote sensing products, model estimates, and in situ data to advance the understanding of biospheric contributions, both spatially and temporally, […]
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  • cindy liu headshot

    Cindy Liu

    Affiliated Faculty, Chief Medical Officer of Antibiotic Resistance Action Center and an Assistant Research Professor
    Microbial ecology
    Molecular epidemiology
    Antibiotic resistance
    Antimicrobial stewardship
    cindyliu@email.gwu.edu
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    Research Interests Cindy M. Liu, M.D., M.P.H., Ph.D., is Chief Medical Officer of Antibiotic Resistance Action Center and an Assistant Research Professor in the Department of Environmental and Occupational Health at the George Washington Milken Institute School of Public Health in Washington D.C.. The translational goals of her research are to advance our understanding of […]
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  • Portrait of Kiona Ogle

    Kiona Ogle

    Affiliated Faculty/Professor, Informatics and Computing Program
    Ecological synthesis and analysis
    Bayesian applications in ecology
    Plant and ecosystem ecology
    Kiona.Ogle@nau.edu
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    Research Interests Dr. Ogle’s research focuses on developing a mechanistic understanding of how plants and ecosystems are affected by environmental variability, including climate change factors. She uses integrative approaches that meld manipulative field experiments, observational studies, diverse data sources, statistical and mathematical modeling, and computational techniques. Dr. Ogle’s research group works on projects that fall […]
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  • lance price headshot

    Lance Price

    Affiliated Faculty, Professor at the George Washington University’s Milken Institute School of Public Health
    Antibiotic resistance
    Food-animal production
    Antibiotic stewardship
    E. coli and Superbugs
    lprice@email.gwu.edu
      Research Interests Lance Price is a Professor at the George Washington University’s Milken Institute School of Public Health in Washington DC. He is also the founding director of the Antibiotic Resistance Action Center. Price works at the interface between science and policy to address the growing crisis of antibiotic resistance. In the laboratory, Price uses […]
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      Benjamin Ruddell

      Affiliated Faculty, Associate Professor, School of Informatics, Computing, and Cyber Systems
      Ecohydrology
      Information theory
      Land-atmosphere CWEN exchange
      Urban and CNH ecology
      Benjamin.Ruddell@nau.edu
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      Research Interests Dr. Ruddell’s research interests fall broadly in the area of the quantification and management of complex coupled natural-human systems, including regional water and climate systems and ecosystems that are strongly influenced by the human economy and society- such as in cities, energy, and agriculture. He is a specialist in coupled natural-human ecosystems, in […]
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    • Portrait of Robert L. Sanford, Jr. (Buck)

      Robert L. Sanford, Jr. (Buck)

      Affiliated Faculty/Professor, Earth Sciences and Environmental Sustainability
      Biogeochemistry of alpine
      tropical and dryland ecosystems
      Paleoecology/land use history
      Robert.Sanford@nau.edu
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      Research Interests Sanford’s research focuses on the biogeochemistry of alpine, tropical and dryland ecosystems, particularly in managed and fire affected environments. In addition, paleoecology/land use history, or how biogeochemical soil ’signatures’ that human populations/cultures have left on landscapes affect present day ecological processes. Sanford is the 1997 recipient of the Distinguished Scholar Award (University of […]
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    • Portrait of Melissa Boyd with mountains in the background

      Melissa Boyd

      Research Staff
      mab834@nau.edu
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      • Portrait of Jamie Brown with hot springs in the background

        Jamie Brown

        Research Associate Senior, Colorado Plateau Stable Isotope Laboratory
        Production and consumption of greenhouse gases by microorganisms
        Jamie.Brown@nau.edu
          Brown’s research focuses on predicting feedbacks to global change through the production and consumption of the greenhouse gasses CO2, CH4, and N2O by microorganisms across multiple ecosystems. Brown has also participated in research into carbon and nitrogen cycling by microorganisms in geothermal springs through stable isotope probing. Brown hopes to contribute to the understanding of […]
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        • Portrait of Chris Ebert, visiting researcher in a forest

          Chris Ebert

          Assistant Director, Interactive Data Visualization
          Radiocarbon
          Global carbon cycle
          Climate change
          Christopher.Ebert@nau.edu
            Ebert’s academic background is in analytical chemistry, primarily performing atomic spectroscopy by inductively coupled plasma-mass spectrometry. He has performed isotopic analyses for nuclear science, environmental science, and forensics. This experience has lead him to ECOSS, where he will be expanding radiocarbon’s role in evaluating tundra carbon cycles and climate change. He is interested in learning […]
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          • Michaela Hayer

            Research Associate Senior
            Microbial Ecology
            Michaela.Hayer@nau.edu
              Hayer’s interests include the role of microbial communities in structuring plant communities and vice versa. Current Projects Using network analyses to understand how invasion of non-native plants influence microbial community interactions Using quantitative stable isotope probing (qSIP) to investigate microbial responses to environmental perturbation Selected Publications Schwartz, E., M. Hayer, B.A. Hungate, B.J. Koch, T.A. […]
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            • Lifen Jiang

              Lifen Jiang

              Research Associate
              Ecosystem ecology
              Biogeochemistry
              Global change
              Lifen.Jiang@nau.edu
                Dr. Lifen Jiang got her Ph.D. in Botany. Her past research was to explore carbon cycle as affected by forest succession and plant invasion. Her current research interest includes ecosystem responses to global change and uncertainty in modeling ecosystem carbon dynamics and model evaluations and improvements. Meanwhile, she has been serving as a lab manager […]
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              • Benjamin Koch

                Research Associate Senior
                Stream and river ecology
                Ben.Koch@nau.edu
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                Koch’s research explores how interactions among organisms regulate and are regulated by the cycling of energy and materials in ecosystems. He studies primarily the ecology of streams and rivers. He uses detailed natural history observations, field experiments, and quantitative modeling to reveal how ecosystems work, with the aim of improving ecosystem stewardship. Current Projects Ecology […]
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              • Headshot Jim LeMoine

                Jim Le Moine

                Research Staff
                Terrestrial ecosystems
                Tree physiology
                Isotopes
                Jim.Le.Moine@nau.edu
                  Jim manages the labs for Professor Mariah Carbone and Professor Andrew Richardson. His research interests include terrestrial ecosystem science and global change; terrestrial carbon, nitrogen, and mercury cycling; biosphere-atmosphere interactions; phenology; forest ecology and management; tree physiology; and the use of using isotopes (especially 13C, 14C, and 15N) to understand biogeochemical cycling. Full Curriculum Vitae  Selected Publications: […]
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                • Portrait of Victor Leshyk

                  Victor Leshyk

                  Senior Coordinator for Artistic Interpretation of Research Discoveries
                  Illustrating science
                  life and all things between
                  victorleshyk@esedona.net
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                • Portrait of Samantha Miller

                  Samantha Miller

                  Research Coordinator
                  Ecosystem ecology
                  Samantha.Miller@nau.edu
                    Research Interests Miller is generally interested in feedbacks between plant community composition and ecosystem processes. In addition to overseeing day-to-day operations in the lab, Miller manages several long-term research projects: Quantifying differences in C and nutrient cycling between two post-fire successional trajectories in Interior Alaska Measuring leaf litter decomposition across sites spanning the range of […]
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                  • Kate Peterson Portrait

                    Kate Petersen

                    Coordinator
                     
                      As an experienced science writer and Arizona native, Kate Petersen helps Ecoss and its McAllister program connect and communicate its work with communities on and beyond the Colorado Plateau. Prior to joining Ecoss, Kate was a Jones Lecturer in Creative Writing and a Wallace Stegner Fellow at Stanford University. She holds a Master of Fine Arts […]
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                    • Portrait of Jeff Propster

                      Jeff Propster

                      Research Specialist
                      Soil ecology
                      Nutrient cycling
                      Analytics
                      jrp277@nau.edu
                        Research Interests Propster is generally interested in soil ecology and microbial nutrient cycling. His current research involves investigating mycorrhizal fungal production in tropical forests (Global Ecosystem Monitoring Network) and its role in carbon cycling and climate feedbacks. He is also interested in using molecular techniques to characterize soil microbial communities across ecosystems and identify which […]
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                      • Maria Galvez

                        Manager
                        Finance and Administration
                        Maria.Galvez@nau.edu
                          Maria graduated from Northern Arizona University with a Master’s in Business Administration in 2009 and BS in Accountancy in 2007. She spent over six years in the property management/investment industry with a focus on corporate accounting and financial reporting for senior living communities. While attending NAU she worked with the Center for Sustainable Environments where […]
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                        • Brian Marbury

                          Administrative Associate and Executive Assistant
                          Non-travel reimbursements
                          Requisitions
                          Administration
                          Brian.Marbury@nau.edu
                            Brian holds a Bachelor of Science in Political Science and a Masters of Arts in Sustainable Communities. Since 2010, Brian has worked on a variety of applied interdisciplinary research projects on NAU campus, to include: NAU Compost, the Action Research Teams (ARTs), and Community and University Public Inquiry (CUPI). His research interests focus on the […]
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                          • Portrait of Sally Evans with her dog

                            Sally Evans

                            Administrative Consultant
                            Sally.Evans@nau.edu
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                            • Portrait of Gerardo Celis sitting with trees in the background.

                              Gerardo Celis

                              Postdoctoral Scientist
                              Restoration ecology
                              Interactive data visualization
                              Climate change
                              Gerardo.Celis@nau.edu
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                              Research Interests Plant Ecology Restoration Ecology Invasion Ecology Climate Change Data Visualization Dr. Celis has a broad interest in terrestrial ecosystem processes, in particular how anthropogenic impacts influence these processes. He is currently working on understanding how rising arctic temperatures will affect the C balance of arctic ecosystems. He also has studied the role of […]
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                            • Katharyn A. Duffy

                              Postdoctoral Scientist
                              Deep learning applications in Earth science
                              Hierarchical Bayesian statistics
                              Temperature dependence of Earth system processes
                              katharyn.duffy@nau.edu
                                Katharyn is an Earth-Systems scientist who focuses on the temperature response of the terrestrial biosphere. Her research integrates point-based measurements of phenology and land-carbon uptake into remotely sensed and globally gridded scales for digestion into Earth-system models. Katharyn is a proponent of open and reproducible data science, a contributor to free-use data archives, and is […]
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                                Rebecca Hewitt

                                Postdoctoral Scientist
                                Arctic plant ecology
                                rebecca.hewitt@nau.edu
                                  Research Interests Hewitt’s research focuses on how species traits and interactions shape community structure and ecosystem function. She is particularly keen to investigate the role of plant-fungal interactions in carbon and nitrogen cycling, community assembly after disturbance, and landscape patterns of vegetation change. Full Curriculum Vitae Selected Publications Hewitt, R. E., F. S. Chapin, T. […]
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                                • Enqing Headshot

                                  Enqing Hou

                                  Postdoctoral Scientist
                                  Soil phosphorus dynamics and availability
                                  Nutrient stoichiometry
                                  Forest ecosystem
                                  Climate
                                  enqing.hou@nau.edu
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                                  Phosphorus (P) is a major nutrient for plant growth. And P in soil is mainly derived from parent rock. Phosphorus links the biotic and the abiotic worlds and plays an important role in many ecosystem functions and processes. Dr. Hou has a broad interest in terrestrial P cycle and how it will response to global […]
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                                  Tim Rademacher

                                  Postdoctoral Scientist
                                  Terrestrial plant ecosystem eco-physiology
                                  tim.rademacher@nau.edu
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                                  Research Interests Tim wants to improve our understanding of terrestrial ecosystems by studying how individual plants and plant communities function. He uses observations, experiments, simulations and theory to achieve this goal. Currently, he focuses on how and why trees grow wood, due to the huge importance of wood for many services provided by forest ecosystems, […]
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                                • Bijan Seyednasrollah

                                  Postdoctoral Scientist
                                  Global environmental change
                                  Hierarchical Bayesian statistics
                                  Energy transfer of terrestrial ecosystems
                                  bijan.seyednasrollah@nau.edu
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                                  Bijan is a quantitative environmental scientist with special expertise on geospatial analyses, remote sensing, hierarchical Bayesian statistics and physics-based modeling. The overarching questions that he is interested in are: “how does climate change influence ecosystem dynamics?” and “how do climate change impacts vary spatially and temporally?” Full Curriculum Vitae Selected Publications Richardson AD, Hufkens D, […]
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                                • Bram Stone

                                  Postdoctoral Scientist
                                  Quantitative microbial ecology
                                  Soil carbon flux
                                  Plant microbiomes
                                  Bram.Stone@nau.edu
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                                  Dr. Stone’s research is unified by a desire to understand the role of the microbial world in shaping larger processes. Currently, he is exploring the contribution of the microbial community towards soil carbon flux. He is also interested in the relationship between plants and their constituent microbiomes and the consequences of these interactions at the […]
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                                • Portrait of Xanthe Walker, post-doctoral scientist, in rocky landscape.

                                  Xanthe Walker

                                  Postdoctoral Scientist
                                  Wildfire disturbance
                                  xanthe.walker@nau.edu
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                                   Research Interests Walker’s research focuses on the impacts of climate change and disturbance from wildfires on tundra and boreal forest ecosystems. She has experience in fire ecology and using dendrochronology techniques to assess climate change impacts on ecosystem resilience and post-fire succession. Dr. Walker is currently working on the NASA Arctic Boreal Research project to […]
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                                • Adam M. Young

                                  Postdoctoral Scientist
                                  Phenology and climate change
                                  Land-atmosphere interactions
                                  Fire ecology
                                  Arctic and boreal forest ecology
                                  Geospatial analysis and statistical modelling
                                   
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                                  Adam’s research interests are broadly focused on understanding how ecosystems respond to environmental change at large spatial and temporal scales. To date, his research has mainly focused on: (1) quantifying fire-climate-vegetation relationships in boreal forest and tundra ecosystems, and (2) exploring how phenology regulates land-atmosphere fluxes of water and energy in North America. Full Curriculum […]
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                                • Kathleen Balazs

                                  Graduate Student
                                  Restoration ecology
                                  Plant functional traits
                                  Plant community ecology
                                  Drylands
                                  krb453@nau.edu
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                                  Kathleen is interested in understanding how plant traits influence species response to environmental conditions and how functional diversity affects ecosystem properties in the applied context of ecological restoration. Her work includes synthesis of long-term regional restoration outcomes data for the Colorado Plateau as well as restoration experiments across the Southwestern US. She collaborates with the […]
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                                • Pete Chuckran

                                  Graduate Student
                                  Metatranscriptomics
                                  Soil biogeochemistry
                                  Metagenomics
                                  Pfc25@nau.edu
                                    Research Interests Chuckran’s research is largely focused on the gene expression of soil microbial communities during the nitrogen cycle. By isolating the RNA for a soil community, referred to as the metatranscriptome, it is possible to gain an understanding of gene expression at a given time point. Through incubation, greenhouse, and field studies, Chuckran hopes […]
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                                  • Photo of graduate student Haley Dunleavy

                                    Haley Dunleavy

                                    Graduate Student
                                    Vegetational shifts in tundra ecosystems
                                    Plant-soil interactions
                                    hd255@nau.edu
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                                    • Portrait of Bri Finley

                                      Bri Finley

                                      Graduate Student
                                      Nutrient cycling in terrestrial systems
                                      Climate change
                                      Greenhouse gas emissions
                                      bkf24@nau.edu
                                        Finley’s research interests involve investigating how human activities affect nutrient cycling in terrestrial systems and possible feedbacks to climate change and greenhouse gas emissions. Her interests range from microbial ecology to global change questions. She is interested in continuing research to address pressing ecological questions as well as developing outreach programs to connect people outside […]
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                                      • Megan Foley

                                        Graduate Student
                                        Microbes
                                        Ecosystems
                                        Biogeochemistry
                                        mmf289@nau.edu
                                          Megan is interested in microbial population-level dynamics within complex soil communities. She is motivated to research microbial dynamics and eco-physiological traits in terms of how they may relate to carbon cycling. More broadly, she is interested in nearly anything related to microbes, ecosystems, or biogeochemistry.   Full Curriculum Vitae
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                                          Anthony John Garnello

                                          Graduate Student
                                          Arctic ecology
                                          Ecosystem ecology
                                          Remote sensing
                                          ajg262@nau.edu
                                            Explorations into the boundary of ecosystem-climate interactions through the lenses of biogeochemistry and ecology in the face of climate change, with a predominant focus on Arctic peatland and tundra. Full Curriculum Vitae
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                                          • Portrait of Haydee Hampton

                                            Haydee Hampton

                                            NASA Space and Earth Science Fellow Research Associate, Biology, Graduate Student
                                            Global change
                                            Microbial ecology
                                            Haydee.Hampton@nau.edu
                                              Hampton’s research focuses on the ecology and management of global change, and microbial ecology from humans to the globe. Her research occurs in woodlands and forests in the temperate zone. Through applied research, Hampton hopes to contribute to improvements in ecosystem health and efforts to mitigate global climate change. Current Projects Climate forcing implications of […]
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                                            • Xin Huang

                                              Graduate Student
                                              Traceability analysis
                                              Sensitivity analysis
                                              Ensemble prediction
                                              xh59@nau.edu
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                                              Xin works in the field combing high performance computation and ecosystem. Currently, her research mainly focuses on sensitivity analysis of terrestrial models based on observation data, trying to identify their influentially uncertain components and capture different models’ divergence along with their developments, especially Community Land Models (CLMs). This work contributes to the evaluation and improvement […]
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                                            • Brian Izbicki

                                              Graduate Student
                                              Fire ecology
                                              Carbon dynamics
                                              Forest ecology
                                              bi67@nau.edu
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                                                Chang Gyo Jung

                                                Graduate Student
                                                Experimental ecology
                                                Climate change
                                                Carbon cycle
                                                cgjung86@nau.edu
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                                                Understanding how ecosystem response to future climate change become more critical issue for ecological study. Mostly, ecosystem carbon cycle is central to ecosystem response to climate change. Chang Gyo Jung, PhD student in the Luo lab at ECOSS, is trying to explain the tallgrass ecosystem responses. Since his undergraduate and master periods were focused on plant […]
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                                                Shuang (YoYo) Ma

                                                Graduate Student
                                                Terrestrial biogeochemistry
                                                Earth system modeling
                                                sm3323@nau.edu
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                                                Shuang is interested in feedbacks from terrestrial ecosystems to climate change. Her recent work include estimating methane and nitrous oxide responses to warming and elevated CO2 concentrations and forecasting in a northern peatland ecosystem. She uses process-based modeling and data assimilation to advance predictability in Earth System Models and detecting ecosystem acclimation in response to […]
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                                              • Alisyn Martinez

                                                Graduate Student
                                                Rates and pathways of elemental loss through leaf litter
                                                Stable isotopes
                                                Stream warming
                                                abm3@nau.edu
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                                                • Ayla Martinez

                                                  Graduate Student
                                                  Soil microbial metabolism
                                                  Metabolic flux
                                                  Soil biochemistry
                                                  Anaerobic metabolism
                                                  am2725@nau.edu
                                                  Ayla graduated from NAU in 2017 with two B.S. degrees in Chemistry and Microbiology with a certificate in Biotechnology. As a Master’s student, she is studying how chemistry governs life belowground. To do this, she uses isotopically labeled carbon substrates in soil incubations to relate microbial catabolic rates to carbon cycling. She has also tested […]
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                                                • Victoria Monsaint-Queeney

                                                  Graduate Student
                                                  Climate change
                                                  Soil microbial ecology
                                                  Carbon cycling
                                                  Permafrost thaw
                                                  qSIP
                                                  vlm92@nau.edu
                                                  Tori’s experience is in anaerobic soil environments, specifically wetland soils. In Ecoss, her research will focus on using qSIP to quantify biogeochemical cycles in the Alaskan tundra. She hopes that her research will contribute to a better understanding of microbial communities and their role in soil biogeochemical cycles as these ecosystems react to climate change. […]
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                                                • Kyoko Okano

                                                  Graduate Student
                                                  Fire ecology
                                                  Boreal forest
                                                  Plant ecology
                                                  Climate change
                                                  ko468@nau.edu
                                                    Kyoko’s interest is in how climate change affects boreal forests, particularly disturbance regimes such as wildfire and how it changes the vegetation, its vulnerability and resilience. Her research will be held in interior Alaska where temperatures are expected to increase in a larger magnitude and increasing fire intensity and frequency is projected.   Full Curriculum […]
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                                                  • Portrait of Elaine Pegoraro

                                                    Elaine Furlan Pegoraro

                                                    Graduate Student
                                                    Permafrost soils in tundra ecosystems
                                                    Carbon cycle responses to warming temperatures
                                                    efp23@nau.edu
                                                      Pegoraro’s research interests are aimed at understanding and quantifying carbon cycle responses to warming temperatures and its potential positive feedback on climate change. Her research is focused on permafrost soils in tundra ecosystems. She would like to disseminate scientific knowledge to a general audience. Pegoraro plans to bridge that gap through outreach programs that strive […]
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                                                    • Graduate Student Alicia Purcell

                                                      Alicia Purcell

                                                      Graduate Student
                                                      Soil microbial ecology
                                                      Microbial biogeography
                                                      Quantifying soil microbe function
                                                      amp753@nau.edu
                                                        Full Curriculum Vitae Selected Publications: Purcell, A.M., Mikucki, J.A., Achberger, A.M., Alekhina, I.A., Barbante, C., Christner, B.C., et al. (2014). Microbial sulfur transformations in sediments from Subglacial Lake Whillans. Frontiers in microbiology. 5:594.    
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                                                      • Tyler Roberts

                                                        Graduate Student
                                                        Ecology
                                                        Restoration
                                                        Intraspecific variation
                                                        trr86@nau.edu
                                                        Tyler is researching intraspecific variation in plant traits and relationships to herbivory within the context of restoration and climate change. His diverse background in wildlife, marine, and community level research has naturally evolved into broad research focus aimed at informing southwest restoration practices and clarifying organismal to community level relationships.   Full Curriculum Vitae
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                                                      • Photo of graduate student Heidi Rodenhizer

                                                        Heidi Rodenhizer

                                                        Graduate Student
                                                        Remote sensing techniques
                                                        Spatial patterns of permafrost carbon dynamics
                                                        hgr7@nau.edu
                                                          Full Curriculum Vitae
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                                                          Courtney Roush

                                                          Graduate Student
                                                          Freshwater ecology
                                                          Foodwebs
                                                          cmr627@nau.edu
                                                            Courtney’s research focus is on the relationship between freshwater microbial communities and aquatic insects during leaf litter decomposition. Prior to NAU, Courtney worked as field trip educator for the Ohio River Foundation in the Cincinnati metropolitan area. Here, she shared her passion for science by teaching students the ecology of stream ecosystems through hands-on (or […]
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                                                          • Austin Rueda

                                                            Graduate Student
                                                            Plant ecophysiology
                                                            Grassland communities
                                                            Precipitation variation
                                                            ajr376@nau.edu
                                                              Austin is interested in understanding the effects of precipitation variation on grassland communities, through the scope of plant physiology. Austin’s research combines effects of soil moisture, precipitation, and elevational gradients to understand how plant communities may shift in response to changing climates.
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                                                              Meghan Schrik

                                                              Graduate Student
                                                              Freshwater ecology
                                                              Water quality
                                                              ms3398@nau.edu
                                                                Meghan is a first-year masters student working on a project focused on the energy transfer of leaf-litter in stream ecosystems.
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                                                              • Taylor Sheriff

                                                                Graduate Student
                                                                Tree physiology
                                                                Dendroecology
                                                                Xylem plasticity
                                                                ts976@nau.edu
                                                                  Sheriff’s research seeks to understand the mechanisms underlying the variable growth response of South Western trees to dry conditions. Although this variability likely involves multiple factors, maintenance of xylem water transport may be the key response. She has chosen to analyze xylem contained in the rings of Pinus edulis and Populus tremuloides to elucidate how […]
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                                                                • Photo of graduate student Julia Stuart

                                                                  Julia Stuart

                                                                  Graduate Student
                                                                  Biogeochemistry
                                                                  Boreal and arctic ecosystems
                                                                  Peatlands
                                                                  jms2435@nau.edu
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                                                                  • Aaron Teets

                                                                    Graduate Student
                                                                    Forest ecology
                                                                    Dendrochronology
                                                                    Eddy covariance
                                                                    Cabon dynamics
                                                                    Phenology
                                                                    Climate drivers
                                                                    aft49@nau.edu
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                                                                    Aaron is interested in a broad range of questions related to forest carbon dynamics. As a graduate student at NAU, he would like to address the factors affecting annual tree growth (i.e., woody biomass increment), CO2 uptake (from eddy covariance towers), and tree phenology. He will be using long-term ecological data (including tree-ring measurements, eddy-covariance […]
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                                                                  • Jack Torresdal

                                                                    Graduate Student
                                                                    Endangered species
                                                                    Conservation
                                                                    Sky-islands
                                                                    Stream ecology
                                                                    jdt292@nau.edu
                                                                      Jack studies the ecology and conservation of aquatic animals. His work stretches from sky-islands in the Caribbean island of Trinidad W.I.  to headwater streams in Arizona. His current research aim is to understand the ecology of native Arizona fishes to improve the reintroduction and/or repatriation of two endangered fish species, spikedace and loach minnnow.   […]
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                                                                    • Caitlin Winterbottom

                                                                      Graduate Student
                                                                      Pollination biology
                                                                      Community ecology
                                                                      Flowering phenology
                                                                      Plant-animal interactions
                                                                      caw442@nau.edu
                                                                        Caitlin’s research addresses how saguaro cacti’s (Carnegiea gigantea) pollination biology is influenced by shifts in climate. In looking at saguaro’s physiological responses coupled with changes in their pollination ecology she hopes to better understand how climatic stressors will influence this charismatic species in the future. Full Curriculum Vitae
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                                                                        Position
                                                                        Email
                                                                        Website
                                                                      • Joseph C. Blankinship

                                                                        Assistant Professor at the University of Arizona
                                                                        jblankinship@email.arizona.edu
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                                                                      • Portrait of Melanie Caron

                                                                        Mélanie Caron

                                                                        Assistant Director, Colorado Plateau Stable Isotope Laboratory
                                                                        Melanie.Caron@nau.edu
                                                                          Caron’s research activities are focused on the influence of biotic and abiotic factors on aquatic food web structure, composition, and behavior of aquatic organisms using stable isotope techniques. Her research interests can be broken down into three different aspects: 1) aquatic food web modeling of abiotic and biotic interactions, 2) stable isotopic techniques and applications […]
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                                                                        • Zacchaeus Compson

                                                                          Postdoctoral Scientist
                                                                          Zacchaeus.Compson@unb.ca
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                                                                        • Benjamin D. Duval

                                                                          Assistant Professor of Ecology
                                                                          Benjamin.duval@nmt.edu
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                                                                          • Photo of graduate student Melissa Enright

                                                                            Melissa Enright

                                                                            Graduate Student
                                                                            Plant ecophysiology
                                                                            Canopy science
                                                                            Forest ecology
                                                                            me656@nau.edu
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                                                                            • Dawson Fairbanks

                                                                              PhD Student/Graduate Researcher
                                                                              dawsonfairbanks@email.arizona.edu
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                                                                            • Portrait of Rebecca Fritz at a creek with a dog.

                                                                              Rebecca Fritz

                                                                              Graduate Student
                                                                              Freshwater ecology & foodwebs
                                                                              Native fish restoration
                                                                              Fishery monitoring
                                                                              Microbial ecology
                                                                              rjf227@nau.edu
                                                                                Fritz’s graduate work will involve sequencing microbial communities in freshwater systems and incorporating microbes in freshwater aquatic ecosystems! Before coming to NAU, Fritz worked as a fisheries technician on the Idaho Steelhead Monitoring and Evaluation Studies project with the Idaho Department of Fish and Game. She has also worked with the Sitka Tribe of Alaska […]
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                                                                              • Shannon Hagerty

                                                                                Graduate Student, Department of Ecology Evolution and Marine Biology
                                                                                shannon.hagerty@lifesci.ucsb.edu
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                                                                                • Photo of graduate student Kristyn Hill

                                                                                  Kristyn Hill

                                                                                  Graduate Student
                                                                                  Permafrost and carbon dynamics
                                                                                  paleoclimate
                                                                                  Arctic climate change.
                                                                                  kh2285@nau.edu
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                                                                                  • Portrait of graduate student Brian Howard with snow-covered mountains in the background.

                                                                                    Brian Howard

                                                                                    Graduate Student
                                                                                    bh679@nau.edu
                                                                                      Brian Howard is working to understand what trees grow back, and why, after a large wildfire in the Alaskan tundra. Brian is a second year PhD student in the Plant and Ecosystem Ecology Research (PEER) Lab at Ecoss. His research takes him to Denali National Park in Alaska where the 30,000-acre East Toklat wildfire burned […]
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                                                                                    • lindsey jacobs inside a cave with headlamp

                                                                                      Lindsey Jacobs

                                                                                      Graduate Student
                                                                                      Microbes
                                                                                      Ecology
                                                                                      Environment
                                                                                      llj46@nau.edu
                                                                                        Lindy Jacobs has already explored the microbiome of the California condor and is now turning to the microbiomes of soils around the world, testing their responses to warming. Lindy is a first-year PhD student in the Hungate Lab at Ecoss. She grew up in Los Alamos, New Mexico, and it was at Los Alamos National […]
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                                                                                      • Michele James

                                                                                        Research Coordinator
                                                                                        Graphic design
                                                                                        Website design
                                                                                        Innovative ways to communicate science
                                                                                        Michele.James@nau.edu
                                                                                          James’ focus has recently changed from aquatic ecology, grant writing and Fossil Creek monitoring to graphic design, website design, and innovative communication of scientific information at Ecoss. James is passionate about communicating scientific information to the public in visually effective and exciting means in order to increase understanding of the importance of ecosystems and the effects […]
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                                                                                        • Photo of graduate student Briana Jasinski

                                                                                          Briana Jasinski

                                                                                          Graduate Student
                                                                                          Permafrost thaw
                                                                                          Ecosystem shifts
                                                                                          Global change
                                                                                          blj92@nau.edu
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                                                                                          • Photo of graduate student Nicholas Kainrath

                                                                                            Nicholas Kainrath

                                                                                            Graduate Student
                                                                                            Plant ecology
                                                                                            Soil microbial ecology
                                                                                            Arid land restoration
                                                                                            Nicholas.Kainrath@nau.edu
                                                                                              Kainrath’s research is focused on improving plant restoration techniques in sagebrush habitats that have been invaded by Bromus tectorum (cheatgrass). A major component of his study is to determine whether microbial inoculation is a beneficial option for land managers to improve growth and survivorship of transplanted native shrubs and grasses. His study sites are located […]
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                                                                                              Christopher Kaiser

                                                                                              Research Technician
                                                                                              Understanding the relationships between microbes
                                                                                              their metabolic water
                                                                                              and their environment
                                                                                              Sagebrush restoration
                                                                                              Christopher.Kaiser@nau.edu
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                                                                                              • Adam Langley

                                                                                                Professor of Biology
                                                                                                adam.langley@villanova.edu
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                                                                                                • junhui li headshot

                                                                                                  Junhui Li

                                                                                                  Postdoctoral Scientist
                                                                                                  Microbial ecology
                                                                                                  Carbon cycling
                                                                                                  Climate change
                                                                                                  Pollutant degradation
                                                                                                  junhui.li@nau.edu
                                                                                                  • Google Scholar Logo
                                                                                                  Li’s research centers on soil microbial ecology and carbon biogeochemistry in the context of climate change, by looking into the roles of functional groups of microbes in carbon cycle and predicting their responses to changing environmental conditions. He also explores microbial ecology of pollutant degradation for the development of novel improved bioremediation processes. Selected Publications […]
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                                                                                                • guopeng liang headshot

                                                                                                  Guopeng Liang

                                                                                                  Graduate Student
                                                                                                  Global change ecology
                                                                                                  Ecosystem modelling
                                                                                                  guopliang@nau.edu
                                                                                                  • Google Scholar Logo
                                                                                                  • Research Gate Logo
                                                                                                  Guopeng’s graduate work involves exploring the response of carbon cycle to altered precipitation amount and interannual variation in desert grassland using model method. Altered amounts and increased interannual variation of precipitation are likely to occur on a regional to global scale in the late 21st Century, yet understanding the interactive effects of these changes on […]
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                                                                                                • xiaojun liu headshot

                                                                                                  Xiao-Jun Allen Liu

                                                                                                  Graduate Student
                                                                                                  Soil microbial ecology
                                                                                                  Biogeochemistry
                                                                                                  Global climate change
                                                                                                  xj.allen.liu@gmail.com
                                                                                                  • Google Scholar Logo
                                                                                                  Liu’s main research interests include soil microbial ecology, biogeochemistry (carbon and nitrogen cycling) and global climate change. Currently he is working on soil microbial diversity and it affect C cycling in response to substrate (sugar, plant litter or other organic materials) inputs. Also he is looking at what types of genes are encoding C degrading […]
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                                                                                                  Xingjie (Chris) Lu

                                                                                                  Postdoctoral Scientist
                                                                                                  Global carbon cycle
                                                                                                  Carbon cycle modeling
                                                                                                  Data assimilation
                                                                                                  Xingjie.lu@nau.edu
                                                                                                    Xingjie Lu is interested in studying ecosystem C cycle responses to climate change using compartment models. He focuses on understanding the response in traceable components of C cycle models, such as residence time and productivity. He also engaged in cutting-edge developments of trait-based terrestrial ecosystem models, trying to incorporate plant trait database into terrestrial ecosystem […]
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                                                                                                  • Portrait of Rebecca Mau

                                                                                                    Rebecca Mau

                                                                                                    Research Associate
                                                                                                    Microbial ecology
                                                                                                    Rebecca.Mau@nau.edu
                                                                                                    • Google Scholar Logo
                                                                                                    Research Interests Mau is broadly interested in better understanding how ecological principles from macroecology translate to the microbial world. With the use of a novel technique developed in her lab, quantitative stable isotope probing (qSIP), she can not only see what organisms are active in the soil, but can quantitatively compare growth among taxa. Mau […]
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                                                                                                  • Portrait of Marguerite Mauritz, post-doctoral scientist.

                                                                                                    Marguerite Mauritz

                                                                                                    Postdoctoral Scientist
                                                                                                    Permafrost soils in tundra ecosystems
                                                                                                    Carbon balance responses to warming arctic ecosystems
                                                                                                    Marguerite.Mauritz@nau.edu
                                                                                                      As arctic temperatures rise, we expect to see dramatic changes due to thawing permafrost soils. Permafrost stores half the total amount of carbon (C) found in soils globally, and twice as much C as is found in the atmosphere. As permafrost thaws, the stored C becomes vulnerable to loss because low temperatures no longer limit […]
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                                                                                                    • Theresa McHugh

                                                                                                      Assistant Professor of Microbiology
                                                                                                      tmchugh@coloradomesa.edu
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                                                                                                      • Portrait of Anya Metcalfe

                                                                                                        Anya Metcalfe

                                                                                                        Graduate Student
                                                                                                        Stream ecology
                                                                                                        Aquatic insect emergence
                                                                                                        af678@nau.edu
                                                                                                          How do dams affect aquatic food webs? That’s one question that brought Anya Metcalfe to NAU, where she’s now a second-year Masters student in Jane Marks’ Lab. Anya’s research is unique at Ecoss because it’s using samples collected by a wide array of citizens rather than trained ecologists. Anya’s research uses insect samples collected by […]
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                                                                                                        • Taryn Morris

                                                                                                          Postdoctoral Research Fellow
                                                                                                          tarynleemorris@gmail.com
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                                                                                                        • Ember Morrissey, Ecoss Postdoctoral Scholar, Wins Microbiology Award

                                                                                                          Ember Morrissey

                                                                                                          Assistant Professor of Environmental Microbiology
                                                                                                          ember.morrissey@mail.wvu.edu
                                                                                                          • Google Scholar Logo
                                                                                                          Google Scholar page Morrissey’s research focuses on the microbial ecology underlying biogeochemical processes of interest to society. Her work ranges from studying techniques to ameliorate nitrogen pollution to predicting the consequences of climate change associated sea-level rise. Morrissey aims to engage in research that both expands society’s theoretical understanding of how ecosystems function and provides […]
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                                                                                                        • Portrait of César Plaza standing in clearing in forest.

                                                                                                          César Plaza

                                                                                                          Visiting Scientist (Marie Curie Fellow)/Scientist & Group Leader, Spanish National Research Council
                                                                                                          Global carbon cycle
                                                                                                          Chemistry of soil organic matter
                                                                                                          Analytical chemistry and spectroscopy
                                                                                                          cesar.plaza@csic.es
                                                                                                            Dr. Plaza is broadly interested in the responses of soil organic matter to climate change in permafrost ecosystems, their impact on ecosystem functioning, and feedback to global warming. Plaza’s research at NAU is particularly focused on the mechanisms and processes that control soil organic matter destabilization and stabilization at the molecular level (http://vulcan.comule.com). Curriculum Vitae
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                                                                                                            Aradhana Roberts

                                                                                                            Research Specialist
                                                                                                            Aradhana.Roberts@nau.edu
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                                                                                                            • Portrait of Emily Romano

                                                                                                              Emily Romano

                                                                                                              Graduate Student
                                                                                                              Permafrost thaw in tundra ecosystems
                                                                                                              Carbon dynamics of the Arctic
                                                                                                              elr88@nau.edu
                                                                                                                While most ecosystem scientists measure the exchange of carbon dioxide between the land surface and the atmosphere vertically, Emily Romano is measuring the sideways flow of carbon. A second year PhD student in Ted Schuur’s lab at Ecoss, she is researching how much carbon is released from thawing permafrost via headwater streams. Emily conducts her […]
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                                                                                                              • Portrait of Rachel Rubin

                                                                                                                Rachel Rubin

                                                                                                                Graduate Student
                                                                                                                Extreme environments
                                                                                                                Global change
                                                                                                                Field botany
                                                                                                                rlr276@nau.edu
                                                                                                                • Google Scholar Logo
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                                                                                                                How will grasslands, the largest terrestrial biome on earth, respond to the threats brought by climate change, drought, and disturbance? That’s one of the questions that Rachel Rubin is looking to answer with her PhD studies in the Hungate Lab at Ecoss. In order to determine how climate change will interact with grassland restoration, Rachel […]
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                                                                                                              • volodymyr saruta headshot

                                                                                                                Volodymyr Saruta

                                                                                                                Graduate Student
                                                                                                                Grasslands
                                                                                                                Modeling
                                                                                                                Carbon Cycle
                                                                                                                vsaruta@nau.edu
                                                                                                                As an undergraduate student, Volodymyr Saruta conducted research called “Impact of altered precipitation on grassland productivity in Karadag Nature Reserve”. This research was the beginning of Volodymyr’s career as a scientist and provided fundamental, practical knowledge of statistical analysis and field work. During his masters studies, Volodymyr continued focusing on grassland ecosystems. As a principal investigator of […]
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                                                                                                              • photo of alexa schuettenberg

                                                                                                                Alexa Schuettenberg

                                                                                                                Graduate Student
                                                                                                                Freshwater microbial communities
                                                                                                                aas322@nau.edu
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                                                                                                                • Adam Siders

                                                                                                                  Graduate Student
                                                                                                                  Structure and function of aquatic ecosystems
                                                                                                                  acs427@nau.edu
                                                                                                                    Siders’s research focuses on the structure and function of aquatic ecosystems. Siders hopes to gain a better understanding of the structure and function of aquatic ecosystems, and the biota living in, or depending on them, in order to promote conservation and educate others about the importance of aquatic ecosystems and wetlands. Current Projects How stream […]
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                                                                                                                  • Portrait of Katerina Soldanova

                                                                                                                    Katerina Soldanova

                                                                                                                    Graduate Student
                                                                                                                    Soil microbial communities
                                                                                                                    katerina.papp@unlv.edu
                                                                                                                      Soldanova is investigating the microbial activation cascades hypothesis with the goal to elucidate possible activation patterns of soil microbial communities and bring insights into microbe-mediated processes taking place in various ecosystems. Soldanova would like her research to bring useful insights into microbial ecology and to contribute to improving current understanding of ecosystem processes and the […]
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                                                                                                                      Meghan Taylor

                                                                                                                      Postdoctoral Scientist
                                                                                                                      Biogeochemistry and carbon cycling
                                                                                                                      Meghan.Taylor@nau.edu
                                                                                                                        Research Interests Taylor is interested in Arctic permafrost carbon dynamics and how high latitude biogeochemistry and ecosystem function changes in response to rapid climate change. To quantify these processes, she uses carbon flux measurements and isotope geochemistry within long-term experimental manipulations in Alaskan discontinuous permafrost to develop a mechanistic understanding of ecosystem sinks and sources […]
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                                                                                                                      • Photo of postdoctoral scientist Natasja van Gestel

                                                                                                                        Natasja van Gestel

                                                                                                                        Assistant Research Professor
                                                                                                                        Global Change Ecology
                                                                                                                        Biogeochemistry
                                                                                                                        natasja.van-gestel@ttu.edu
                                                                                                                        • Google Scholar Logo
                                                                                                                         Van Gestel’s research focuses on quantitative global change ecology, from biogeochemical cycles to biodiversity to sustainable agriculture. She uses a variety of quantitative approaches, such as data assimilation, meta-analyses and multivariate analyses. She works in a broad array of ecosystems, from deserts to grasslands to forests to the poles, and at different scales, from the […]
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                                                                                                                      • Portrait of Kees Jan van Groenigen

                                                                                                                        Kees Jan van Groenigen

                                                                                                                        Assistant Research Professor
                                                                                                                        Global carbon cycle
                                                                                                                        Soil microbiology
                                                                                                                        Ecological synthesis
                                                                                                                        kj.vangroenigen@exeter.ac.uk
                                                                                                                        • Google Scholar Logo
                                                                                                                        Van Groenigen’s research focuses on how management practices and changes in atmospheric conditions affect the flow of C and N through ecosystems. To do this, he often use meta-analytic techniques to synthesize findings in his field of research. Van Groenigen also studies the role of soil microbes in C and N cycling processes, using techniques […]
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                                                                                                                      • Graduate student Robert Woodruff

                                                                                                                        Robert Woodruff

                                                                                                                        Graduate Student
                                                                                                                        Microbial ecology
                                                                                                                        Climate change
                                                                                                                        Isotopic analysis
                                                                                                                        rdw62@nau.edu
                                                                                                                        Woodruff’s graduate work involves analyzing the carbon-14 content of microbial DNA in Alaskan tundra soils to better understand carbon feedback loops and how they relate to global climate change. Before coming to NAU, Woodruff worked as a middle school and high school teacher for thirteen years sharing his excitement and passion for science with students […]
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                                                                                                                      • Photo of Alee Zuniga standing in a field of colorful tulips.

                                                                                                                        Alessandra Zuniga

                                                                                                                        Graduate Student
                                                                                                                        Soil microbial ecology
                                                                                                                        Decomposition/nutrient dynamics
                                                                                                                         Climate change
                                                                                                                        az336@nau.edu
                                                                                                                          Zuniga’s research focuses primarily on how plants, specifically native grasses, interact with their local soil microbial community, the significance of their association, and what implications this may have on ecosystem processes as well as global climate change. She’s interested in increasing her understanding of  the complex structures of soil microbial communities and how they support […]
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