Question
Explain the term eutrophication with suitable example.
Explain the term eutrophication with suitable example.
Eutrophication is a process whereby water bodies, such as lakes or slow-moving streams receive excess nutrients that stimulate excessive plant growth (algae, phytoplankton’s and nuisance plants weeds). This enhanced plant growth is also termed as an algal bloom.
Example: During rains the nutrients from the fields are washed away and get accumulated in nearby water bodies.
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Give one example of an Indian and foreign poultry breed which when crossed produce an improved variety. List any one desirable trait expected from such cross breeding.