Ecosystem modeling to understand global change effects to terrestrial and fresh water systems
Concurrent changes in climate, atmospheric nitrogen (N) and sulfur (S) deposition, and increasing levels of atmospheric carbon dioxide (CO2) affect ecosystems in complex ways. Atmospheric deposition of S and N species have the potential to acidify terrestrial and aquatic ecosystems, but nitrate and ammonium are also critical nutrients for plant and microbial productivity and are a potential cause of eutrophication. Climate change and CO2 fertilization, with or without changes in N deposition, may affect rates of plant growth, water availability, soil organic matter decomposition rates, and net ...
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