Net Primary Productivity (NPP) is the rate at which producers (like plants) accumulate biomass, equal to Gross Primary Productivity minus the rate of respiration. Ecosystems with high light availability, abundant water, warmth, and nutrient-rich conditions tend to have high NPP. Among the given options, tropical forests, swamps, and reefs all have very high NPP per unit area. However, swamps and marshes (a type of wetland) are consistently cited in ecological studies as having among the highest rates of NPP globally, often exceeding tropical forests and reefs due to high nutrient availability from water flow and decomposition under saturated conditions.
NPP (Net Primary Productivity) is highest for
Asked in UPSC CAPF 2017 · Topic: Ecology (Ecosystem Functions: Productivity, Energy Flow, Trophic Levels)
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