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Ecology. Hierarchy, Productivity, Biogeochemistry. Biogeochemical Cycling. The movement of macronutrients through the earth’s systems Pools (sinks) Fluxes (rates) Retention times. The biggest pool is not shown. 70 million GT of C. Nitrogen Cycle Processes. Fixation Assimilation
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Ecology Hierarchy, Productivity, Biogeochemistry
Biogeochemical Cycling • The movement of macronutrients through the earth’s systems • Pools (sinks) • Fluxes (rates) • Retention times
Nitrogen Cycle Processes • Fixation • Assimilation • Ammonification • Nitrification • Denitrification