These terms are used in limnology (the study of inland waters) to classify lakes based on their nutrient levels and primary productivity. Oligotrophic lakes are nutrient-poor with high water clarity; mesotrophic lakes have moderate nutrient levels; and eutrophic lakes are nutrient-rich, often leading to high biological productivity, potentially including algal blooms.
The terms 'oligotrophic', 'mesotrophic' and 'eutrophic' are associated with the evolution of
Asked in UPSC Geoscientist 2022 · Topic: Ecology (Aquatic Ecosystems: Freshwater, Marine, Estuaries, Wetlands)
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