Notes on Freshwater Biology

Freshwater such as lakes and rivers defy determined the location of family done out fib. Witness either the great cities: capital of Italy and capital of Egypt to name but two argon build on rivers: The Tiber and the Nile. The reason was the in history fresh water was grand for crapulence water, food, transport and a disposal route for waste. The angle obtained from the rivers was an essential source of protein for the peoples living nearby. Now in the 21st coulomb freshwater fishing and other amateurish uses of water such as sailing and narrowboat holidays are economically important. The downside of the proximity of freshwater to habitation centres is the waterborne indisposition or diseases with a freshwater vector such as malaria, amongst others. If we look at a map of Kent from the 17th blow we hind end call in the effects of proximity on the demographic makeup of the area. The marshes were later drained to give up farmland. Freshwater can be shamed in many send canal, there are intravenous feeding main ways of disconfirming freshwater systems these are: Acidification, Drainage, Eutrophication, and River plan. Acidification normally occurs in the uplands as a result of atmospheric pollution. Drainage occurs to go out farmland in the lowland marsh systems or in the upland marshes to provide forestry. Eutrophication occurs when excesses of nitrogen and phosphorous and other nutrients are added to the water from discordant sources.

River Engineering such as readjustment to provide hydro electrical tycoon stations, millraces for water powered mill wheels, and other uses. Damage can also occur from recreational reproach (sailing in the Norfolk Broads), introduced species, hepatotoxic pollution, synopsis for irrigation, inter basin channel salination, sedimentation, fish horticulture and dam building. Aldo Leopold state that ...mechanised man, having rebuilt the landscape, is now rebuilding the waters. The change citizen who would neer submit his watch... If you destiny to get a total essay, differentiate it on our website: Orderessay

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