Social and Behavioral Sciences Commons^™

Assessment Of Atmospheric Nitrogen Deposition: Possible Effects On Alpine Ecosystems Above 9000 Feet In Grand Teton National Park, Jennifer Hansen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Certain forms of nitrogen (N) in the atmosphere are pollutants with effects that mimic fertilizer application. If there is too much N, it can become a stressor, and the ecosystem may undergo drastic changes (e.g. certain plant species may decline or disappear). The N load at which a system starts exhibiting negative effects is dependent on the type and location of the ecosystem. Alpine ecosystems (i.e. above 9000 feet in Wyoming) may be particularly sensitive to low levels of atmospheric N input because of short growing seasons, sparse plant cover, and shallow soils that limit their ability to absorb the …