Sunday 5 October 2008

How can eutrophication due to human activities be avoided?

trophyhunter1

 

Eutrophication of a lake occurs when
the algae that reside there bloom- they reproduce at a much faster pace than normal.
This is due to the input of excessive nitrates and
phosphates.

When algae over grow and later die off, oxygen in
the lake is depleted as bacteria use the oxygen to consume the algae. The lake may become a low
oxygen environment which can devastate organisms that reside there. As fish die off, the quality
of the lake further deteriorates leading to more...

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