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Primary productivity varies in different types of ecosystems. 1. What is meant by primary productivity.2. Give reason with suitable examples. |
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Answer» 1. Primary productivity is the amount of biomass or organic matter produced during photosynthesis. The gross primary productivity is the rate of production of organic matter during photosynthesis. A considerable amount of GPP is utilized by plant in respiration. The gross primary productivity – Respiration losses is the net primary productivity. 2. In some ecosystems producers number and nutrient content are not stable. |
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