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net ecosystem production

The difference between the amount of organic carbon fixed in an ecosystem by photosynthesis (gross primary productivity) and total ecosystem respiration. NEP represents the total amount of organic carbon available for storage or loss in the ecosystem. Whether NEP is greater or less than zero determines if an ecosystem is autrophic or heterotrophic.
Concept Schemes:
Entry Terms:
  • net ecosystem productivity
  • NEP (net ecosystem production)
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RDF/XMLCreated 2012-09-12, last modified 2013-02-05