Nutrient Cycling

Contents

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Ecosystem Dynamics

The Scale of the Nutrient Cycles

Nutrient Cycles in Ecosystems

Nutrient Additions

Weathering of Rocks

Nitrogen Fixation

Rain, Snow and Dust Additions

Fertilizer and Excreta Additions

Combining Carbon and Nutrients

Reactions Following Photosynthesis

Organic Matter Production

What Controls the Flow of Nutrients in Ecosystems?

Biomass

Nutrient Cycling

Another Special Note about Microbes

The Processes in the Nitrogen Cycle

Nitrogen Cycle - The Whole Thing

Nutrient Additions

Plant Uptake

Translocation

Gaseous Losses

INTERNAL RECYCLING

Leaf, Stem , and Root Death and Litterfall and Root Sloughing

Mineralization

Mineralization - Microbial Uptake

Mineralization - Ammonification and Nitrification

Decomposition and Mineralization

Controls of Mineralization and Nutrient Transformations

Soil Organic Matter Formation

Herbivory

Carnivory

Erosion and Harvest

Run On, Fertilization, and Excreta Deposition

End of Nutrient Cycles Module

Collaborative Ecosystem Management - Roadmap

Ecosystem Tutorial - Roadmap

SAM - Roadmap

Question # 1 of 10

Right Answer

Wrong Answer