As part of a large interdisciplinary team, with funding from the National Science Foundation, we have studied how genetic and environmental factors affect leaf litter quality in cottonwoods and other riparian species, and how these effects are manifest in aquatic ecosystems.
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Leaf litter quality affects aquatic insect emergence: Contrasting patterns from two foundation trees
The mass emergence of metamorphosed aquatic insect larvae as airborne adults provides an important seasonal pulse of prey biomass to many aquatic ecosystems. Ecoss research explored whether the type and quality of leaf litter on which these aquatic larvae feed makes a difference in the types and proportions of various […]
Fossil Creek Restoration Can we restore a river after a century of disturbance? Research in the Marks Lab has addressed the following questions: How did native species respond to restoration? Employing a BACI design (Before After Control Impact), we determined the relative importance of flow restoration versus non-native fish removal […]
We study soil microbial communities in Antarctica, microbes in hot spring ecosystems in Tengchong, China, methane production at Axel Heiberg Island near Greenland as an analog for life on other planets, and the distribution of soil microbial communities across the arid Southwest.