Ecology Question:

What is the gross primary production of an ecosystem? How does GPP relate to photosynthesis?

Ecology Interview Question
Ecology Interview Question

Answer:

Gross primary production of an ecosystem, or GPP, is the quantity of organic material found in a given area in a given period.

Since only autotrophs produce organic material and photosynthesis is the main production process, GPP is a result of the photosynthesis.


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Can the amount of available energy in a given tropic level to be larger than the available energy in inferior tropic levels? What does that condition means to the conformation of the energy pyramids?What are the factors that for influencing photosynthesis also interfere with the gross primary productivity?