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Understanding Biogeochemical Cycling and Macronutrient Movement in Earth's Ecosystems

This overview explores the intricate dynamics of biogeochemical cycling, focusing on the movement of macronutrients such as carbon and nitrogen through Earth's systems. It highlights critical processes like fixation, assimilation, ammonification, nitrification, and denitrification, as well as the concepts of pools (sinks), fluxes (rates), and retention times. The carbon cycle's largest pool, containing 70 million gigatons (GT), emphasizes the importance of these cycles in maintaining ecological balance and productivity within ecosystems.

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Understanding Biogeochemical Cycling and Macronutrient Movement in Earth's Ecosystems

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  1. Ecology Hierarchy, Productivity, Biogeochemistry

  2. Biogeochemical Cycling • The movement of macronutrients through the earth’s systems • Pools (sinks) • Fluxes (rates) • Retention times

  3. The biggest pool is not shown

  4. 70 million GT of C

  5. Nitrogen Cycle Processes • Fixation • Assimilation • Ammonification • Nitrification • Denitrification

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