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botton zone in lakes is called
  1. limenetic
  2. profundal
  3. benthic
  4. littoral

raghav , 10 Years ago
Grade 12th pass
anser 1 Answers
Apoorva Arora

Last Activity: 10 Years ago

The correct option is 3.
A typical lake has distinct zones of biological communities linked to the physical structure of the lake. The littoral zone is the near shore area where sunlight penetrates all the way to the sediment and allows aquatic plants (macrophytes) to grow. Light levels of about 1% or less of surface values usually define this depth. The 1% light level also defines the euphotic zone of the lake, which is the layer from the surface down to the depth where light levels become too low for photosynthesizers. In most lakes, the sunlit euphotic zone occurs within the epilimnion.

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