Question

Give a comparative account of oligotrophic lake and eutrophic lake.

29 Jan 2026
Answer :
Word Count : 246
Oligotrophic and eutrophic lakes represent two contrasting types of freshwater ecosystems that differ mainly in nutrient status, biological productivity, and suitability for aquaculture practices. An oligotrophic lake is characterized by low concentrations of nutrients such as nitrogen and phosphorus. These lakes generally have clear water, greater depth, and high dissolved oxygen levels throughout the year. Due to limited nutrient availability, primary productivity is low, resulting in sparse growth of phytoplankton and aquatic plants. Fish populations in oligotrophic lakes are
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