Saturday, 23 July 2016

over fishing and depleted wild stock


 
OVER FISHING AND DEPLETED WILD STOCKS:
A notable  example of the consequence of over fishing is the herring fishery in the great lakes which has been severely depleted. Similarly the abudance and variety of lake victoria fish has dramatically decreased due to over fishing.In the tonle sap lake and river competition between goverment licensed commercial fishermen and local people who fish for food for their families i.e. subsitance fishing has led to over fishing...
THE FUTURE OF FRESH WATER FISHERIES:
Commercial fresh water fisheries have never been as economically important as commercial marine fisheries except in certain  local areas such as mekong river basin. Only about one fifth of the world's total fish catch comes from fresh water fisheries.Furthermore ther economic importance of fresh water fisheries  worldwide is diminshing. Depleted fish populations and various other threats continue to make the  harvesting of wild stocks uneconimical.Aquacultural is becoming increasingly important and is displacing the commercial harvesting of wild stocks.Capture fisheries now account for less than half of all fresh water fish consumed globally..............

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