Ecosystems And Global Ecology

5/25/06


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Table of Contents

Ecosystems And Global Ecology

What is an Ecosystem?

What is the Biosphere?

Energy and Biomass

Energy

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Autotrophs vs. Heterotrophs

Matter

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Biomass

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Primary Productivity

Net vs. Gross Primary Productivity

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Communities Differ in their Productivity

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Nutrient Cycling

C, H, O, N

Reservoirs

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Carbon

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Carbon Fixation

Respiration

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Nitrogen

The major reservoir for nitrogen is the atmosphere

Nitrogen Fixation

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Water

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Author: Alan Molumby