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  • Portrait of Bruce Hungate

    Bruce Hungate

    Director, Center for Ecosystem Science and Society
    Global change
    Microbial ecology
    Bruce.Hungate@nau.edu
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    Professor of Ecosystem Ecology at Northern Arizona University Director of the U.S. Department of Energy’s Western Regional Center of the National Institute for Climatic Change Research Director of the Colorado Plateau Analytical Laboratory   Hungate’s research focuses on the ecology and management of global change, and microbial ecology from humans to the globe. His research […]
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  • Portrait of George Koch

    George Koch

    Associate Director, Center for Ecosystem Science and Society
    Physiological ecology
    Global change biology
    George.Koch@nau.edu
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    Professor, Biological Sciences, Northern Arizona University 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 […]
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  • Portrait of Michelle Mack

    Michelle Mack

    Professor of Ecosystem Ecology
    Ecosystem and community ecology
    Plant-soil microbe interactions
    Michelle.Mack@nau.edu https://www2.nau.edu/macklab-p/wordpress/
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    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 affecting plant […]
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  • Portrait of Jane Marks

    Jane Marks

    Professor, Biological Sciences
    Aquatic Ecology
    Freshwater food webs
    Ecosystems
    Jane.Marks@nau.edu http://oak.ucc.nau.edu/jcm22/
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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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  • richardson headshot

    Andrew Richardson

    Professor, ECOSS/SICCS
    Terrestrial ecosystems and global change
    biosphere-atmosphere interactions
    phenology
    forest ecology and tree physiology
    Andrew.Richardson@nau.edu
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    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 vegetation activity […]
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  • Portrait of Ted Schuur

    Ted Schuur

    Professor of Ecosystem Ecology
    Feedback from terrestrial ecosystems to climate change
    Arctic ecosystems
    Ted.Schuur@nau.edu https://www2.nau.edu/schuurlab-p/Schuur.html
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    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 in a […]
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  • Portrait of Paul_Dijkstra

    Paul Dijkstra

    Associate 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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    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 springs. Current […]
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  • mariah carbone headshot

    Mariah Carbone

    Assistant Research Professor
    Earth system science and global change ecology; isotopes (especially 14C); biosphere-atmosphere exchanges of carbon
    water
    and energy; plant-soil interactions; respirology
    mariah.carbone@nau.edu
      Dr. Carbone is an earth system scientists and ecosystem ecologists. She is interested in the response of terrestrial ecosystems to environmental change, and their role in the Earth’s climate system. She combines field measurements, laboratory work, and computational analyses of large continuous datasets. Full Curriculum Vitae Carbone Lab Website
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    • Portrait of Christina Schädel

      Christina Schädel

      Assistant Research Professor
      Global carbon cycle
      Permafrost carbon
      Climate change
      Christina.Schaedel@nau.edu https://www2.nau.edu/schuurlab-p/Schaedel.html
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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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      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 carbon cycle […]
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    • Portrait of Greg Caporaso

      Greg Caporaso

      Affiliated Faculty, Associate Professor/Director Center for Microbial Genetics and Genomics
      Microbial ecology
      Micro-organisms in human health and disease
      Software development
      GregCaporaso@gmail.com http://caporasolab.us/
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      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 find course […]
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    • scott goetz headshot

      Scott Goetz

      Affiliated Faculty, Professor at Northern Arizona University
      Informatics
      Computing
      Cyber Systems
      arctic & carbon cycle science
      climate change and terrestrial ecology
      Scott.Goetz@nau.edu
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      Full Curriculum Vitae Dr. Scott Goetz is 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 some 14,000 times. His research has been covered by numerous new agencies […]
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    • Portrait of Debbie Huntzinger

      Deborah N. Huntzinger

      Affiliated Faculty/Assistant Professor, Climate Sciences
      Climate change
      Terrestrial carbon cycling
      Carbon capture and storage
      deborah.huntzinger@nau.edu https://nau.edu/CEFNS/NatSci/SESES/Faculty/Huntzinger/
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      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, to land-atmosphere […]
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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
      Point-of-care Molecular Diagnostics
      cindyliu@email.gwu.edu
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      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 the role […]
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    • Portrait of Kiona Ogle

      Kiona Ogle

      Affiliated Faculty/Associate Professor, Informatics and Computing Program
      Ecological synthesis and analysis
      Bayesian applications in ecology
      Plant and ecosystem ecology
      Kiona.Ogle@nau.edu http://www2.nau.edu/ogle-lab/
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      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 under four […]
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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; livestock-associated MRSA; sustainable food production; science communication; superbugs
      lprice@email.gwu.edu
        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 cutting-edge molecular […]
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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
        Microclimatology
        benjamin.ruddell@nau.edu
          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 network and […]
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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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          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 Denver), and […]
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        • Portrait of Egbert Schwartz

          Egbert Schwartz

          Affiliated Faculty/Professor, Biological Sciences
          Microbial ecology
          Bioremediation
          Ecosystem ecology
          Egbert.Schwartz@nau.edu https://nau.edu/CEFNS/NatSci/Biology/Research/Schwartz-Lab/
            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 Ben Koch

            Benjamin Koch

            Research Associate Senior
            Stream and river ecology
            Ben.Koch@nau.edu
              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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            • 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 gasses 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 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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                • 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 https://www2.nau.edu/schuurlab-p/Ebert.html
                    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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                  • researcher michaela hayer

                    Michaela Hayer

                    Research Associate
                    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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                    • Portrait of Rebecca Mau

                      Rebecca Mau

                      Research Associate
                      Rebecca.Mau@nau.edu
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                      Mau’s interests include understanding how microbial communities influence terrestrial ecosystem functioning, with an emphasis on global change. With the development and use of newer molecular methods in microbial ecology, such as pyrosequencing and stable isotope probing, it is becoming possible to better link below- and aboveground processes. By studying belowground community dynamics she hopes to […]
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                    • 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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                      • Portrait of Samantha Miller

                        Samantha Miller

                        Research Coordinator
                        Samantha.Miller@nau.edu
                          Miller’s research focuses on links between community and ecosystem ecology. More specifically, she is interested in feedbacks between plant community composition and ecosystem processes, especially in the face of global changes such as shifting climate and biological invasions.
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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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                          • Portrait of Victor Leshyk

                            Victor Leshyk

                            Senior Coordinator for Artistic Interpretation of Research Discoveries
                            Illustrating science
                            life and all things between
                            victorleshyk@esedona.net http://victorleshyk.com/
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                          • Portrait of Jeff Propster

                            Jeff Propster

                            Research Technician
                            jrp277@nau.edu
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                            • Photo of Maria Galvez

                              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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                              • 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 https://www2.nau.edu/schuurlab-p/Celis.html
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                                  Research Interests Plant Ecology Restoration Ecology Invasion Ecology Climate Change Interactive Data Visualization Dr. Celis has a broad interest in terrestrial ecosystem processes, in particular how anthropogenic impacts influence them. He also studies the role of exotic invasive species in the trajectory of ecosystem recovery after disturbances and identifying methods to enhance and/or speedup recovery. […]
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                                  Rebecca Hewitt

                                  Postdoctoral Scientist
                                  rebecca.hewitt@nau.edu https://www2.nau.edu/macklab-p/wordpress/
                                    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.
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                                  • junhui li headshot

                                    Junhui Li

                                    Postdoctoral Scientist
                                    Microbial Ecology
                                    Carbon Cycling
                                    Climate Change
                                    Pollutant Degradation
                                    junhui.li@nau.edu
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                                    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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                                  • xingjie lu headshot

                                    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 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 https://www2.nau.edu/schuurlab-p/Mauritz.html
                                        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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                                        Meghan Taylor

                                        Postdoctoral Scientist
                                        Biogeochemistry and carbon cycling
                                        Meghan.Taylor@nau.edu https://www2.nau.edu/schuurlab-p/Taylor.html
                                          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 and how […]
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                                        • Portrait of Xanthe Walker, post-doctoral scientist, in rocky landscape.

                                          Xanthe Walker

                                          Postdoctoral Scientist
                                          xanthe.walker@nau.edu
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                                          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 study severe […]
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                                        • Portrait of Melissa Boyd with mountains in the background

                                          Melissa Boyd

                                          Graduate Student
                                          mab834@nau.edu
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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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                                            • Photo of graduate student Melissa Enright

                                              Melissa Enright

                                              Graduate Student
                                              Plant ecophysiology
                                              canopy science
                                              forest ecology
                                              me656@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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                                                • 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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                                                  • anthony garnello head shot

                                                    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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                                                      • 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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                                                            • 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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                                                                • guopeng liang headshot

                                                                  Guopeng Liang

                                                                  Graduate Student
                                                                  Global change ecology
                                                                  Ecosystem modelling
                                                                  guopliang@nau.edu
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                                                                  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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                                                                • shuang ma head shot

                                                                  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 includes estimating methane and nitrous oxide responses to warming and elevated CO2 concentrations and forecasting in a northern peatland system. 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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                                                                • 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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                                                                  • Portrait of Elaine Pegoraro

                                                                    Elaine Furlan Pegoraro

                                                                    Graduate Student
                                                                    Permafrost soils in tundra ecosystems
                                                                    Carbon cycle responses to warming temperatures
                                                                    efp23@nau.edu https://www2.nau.edu/schuurlab-p/Pegoraro.htm
                                                                      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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                                                                      • 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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                                                                        • Portrait of Emily Romano

                                                                          Emily Romano

                                                                          Graduate Student
                                                                          Permafrost thaw in tundra ecosystems
                                                                          Carbon dynamics of the Arctic
                                                                          elr88@nau.edu https://www2.nau.edu/schuurlab-p/Romano.html
                                                                            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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                                                                          • courtney roush headshot

                                                                            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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                                                                            • Portrait of Rachel Rubin

                                                                              Rachel Rubin

                                                                              Graduate Student
                                                                              Extreme environments
                                                                              Global change
                                                                              Field botany
                                                                              rlr276@nau.edu
                                                                              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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                                                                              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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                                                                              • Photo of graduate student Julia Stuart

                                                                                Julia Stuart

                                                                                Graduate Student
                                                                                Biogeochemistry
                                                                                boreal and arctic ecosystems
                                                                                peatlands
                                                                                jms2435@nau.edu
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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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                                                                                • Enqing Headshot

                                                                                  Enqing Hou

                                                                                  Visiting Professor
                                                                                  Soil phosphorus dynamics and availability; nutrient stoichiometry; forest ecosystem; climate climate
                                                                                  houeq@scbg.ac.cn
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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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                                                                                • Name

                                                                                  Position
                                                                                  Email
                                                                                  Website
                                                                                • 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 https://www.ica.csic.es/index.php/personal/69-plaza-de-carlos-cesar
                                                                                    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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                                                                                  • Joseph C. Blankinship

                                                                                    Assistant Professor at the University of Arizona
                                                                                    jblankinship@email.arizona.edu https://swes.cals.arizona.edu/people/faculty/joseph-joey-blankinship
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                                                                                  • Zacchaeus Compson

                                                                                    Postdoctoral Scientist
                                                                                    Zacchaeus.Compson@unb.ca http://canadianriversinstitute.com/cri/about/
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                                                                                  • Benjamin D. Duval

                                                                                    Assistant Professor of Ecology
                                                                                    Benjamin.duval@nmt.edu http://www.duvalecology.org/
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                                                                                    • Dawson Fairbanks

                                                                                      PhD Student/Graduate Researcher
                                                                                      dawsonfairbanks@email.arizona.edu http://dawsonfairbanks.weebly.com/
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                                                                                    • Shannon Hagerty

                                                                                      Graduate Student, Department of Ecology Evolution and Marine Biology
                                                                                      shannon.hagerty@lifesci.ucsb.edu https://www.eemb.ucsb.edu/people/students/hagerty
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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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                                                                                        • Adam Langley

                                                                                          Professor of Biology
                                                                                          adam.langley@villanova.edu https://jadamlangley.wordpress.com/
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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 http://xjaliu.weebly.com
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                                                                                            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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                                                                                          • Theresa McHugh

                                                                                            Assistant Professor of Microbiology
                                                                                            tmchugh@coloradomesa.edu http://www.coloradomesa.edu/directory/biology/Theresa-McHugh.html
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                                                                                            • Taryn Morris

                                                                                              Postdoctoral Research Fellow
                                                                                              tarynleemorris@gmail.com http://tarynmorris.weebly.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 http://morrisseyem.wixsite.com/morrisseywvu
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                                                                                              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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                                                                                              Aradhana Roberts

                                                                                              Research Specialist
                                                                                              Aradhana.Roberts@nau.edu
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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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                                                                                                    • Photo of postdoctoral scientist Natasja van Gestel

                                                                                                      Natasja van Gestel

                                                                                                      Assistant Research Professor
                                                                                                      Global Change Ecology
                                                                                                      Biogeochemistry
                                                                                                      natasja.van-gestel@ttu.edu http://www.nvangestel.com/
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                                                                                                       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 http://geography.exeter.ac.uk/staff/index.php?web_id=Kees_Jan_van_Groenigen
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                                                                                                      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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                                                                                                    • 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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