Anna Forster 1.8 Primary productivity

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10 Terms

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Gross Primary Productivity

The total amount of solar energy that producers in an ecosystem capture through photosynthesis over a certain amount of time

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Net Primary Productivity

Gross Primary Productivity minus the amount of energy it takes to respire

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Biomass

Total mass of all living things in a specific area

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Trophic Pyramid

Represents the distribution of biomass among trophic levels

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Photosythesis

The way plants use light to make energy

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Respiration

The way living organisms released stored energy

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Species diversity

the variety of different species that are in a certain area

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equation for net primary productivity

NPP = GPP - R

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equation for gross Primary Productivity

GPP = NPP + R

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Autotroph

an organism that could make its own food