A juvenile ecosystem is characterized by energy usage which is primarily directed towards
multiplication and growth of organisms
maintenance of biocenose
conservation of biocenose
reduced growth of plants
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UPSC Geoscientist – 2022
– Energy is channeled into accumulating biomass and increasing population size.
– Net primary productivity is often high, but respiration (maintenance cost) is relatively low per unit biomass compared to mature systems.
– Mature ecosystems focus more on maintenance, diversity, and efficient nutrient cycling.