What is the definition of gross primary productivity (GPP) in an ecosystem?

What is the definition of gross primary productivity (GPP) in an ecosystem?
  1. The rate of production of organic matter during photosynthesis
  2. The rate of formation of new organic matter by consumers
  3. The rate of biomass production
  4. None of the above

Solution

Gross primary productivity of an ecosystem is the rate of production of organic matter during photosynthesis.

Asked in: NCERT

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