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Professor Barnes presents on "Cities & Suburbia: How People Influence Nitrogen and Carbon Cycling"




Professor Barnes presents at Lafayette College on
"Cities & Suburbia: How People Influence Nitrogen and Carbon Cycling"

The percent of the population dwelling in urban and suburban areas in the US has increased over the last 200 years, from 10% to close to 80%. Given that the majority of humans live in these environments, urban ecosystems have a greater impact on regional and global systems as compared to a similarly sized undisturbed ecosystem. Watersheds effectively integrate physical, biological, chemical and anthropogenic processes; thus the geochemistry of rivers provides a signal of landscape function and health. By sampling watersheds across a gradient of urbanization the relative importance of human inputs and microbial processing (e.g. removal and transformations) on nitrogen and carbon exports from different landscapes can be determined.

Rebecca Barnes is currently a visiting Assistant Professor at the Bard Center for Environmental Policy. She obtained her M.P.A. in Environmental Policy and Natural Resource Management at Indiana University and Ph.D. at Yale’s Environment School. She was most recently an NSF postdoctoral Fellow at the USGS in Boulder, CO.

https://calendar.lafayette.edu/node/4089

02-09-2012

This event was last updated on 02-09-2012