Aa Aa Aa Biogeochemical cycles describe pathways by which chemical elements move through both biotic (the biosphere) and abiotic compartments (the atmosphere, hydrosphere, and lithosphere ...

And each of these important elements cycle through the Earth system. Ecosystems can be thought of as a battleground for these elements, in which species that are more efficient competitors can ...

This class will explore the origins, transport, and transformations of elements in the global environment. We will us quantitative approaches to understand physical, chemical, and biological controls ...

Research includes cycling of water, carbon, nitrogen, salts and metals in the environment, with a strong focus on soil processes that modulate these element cycles.