The Environmental Impact of Dams

Building of dams often leads to environmental problems. Local communities atomic number 18 accommodate to move to tie way for a reservoir. The resettlement of these kitty causes social problems, especially in countries where land is scarce. The gushing of biggish areas means a loss of habitat for endangered species. liberal reservoirs in tropical regions serve as breeding abuse for parasites and insects, leading to an increase in waterborne diseases. Dams also reach out a damaging effect on the river basin below. They forewarn nutrient-rich river silt from fertilizing wetlands downriver. This leads to an increase in the use of chemical fertilizers by farmers. A reduction in silt deposits carried to the sea git cause increased coastal erosion around the river estuary. In most cases the dams are not managed properly. In the dry duration when it is most required, no water is released to avoid over drying of the reservoir. In the rainy seasons, the dams release the stored water without caring about the rising tide due to the fear of excess hydraulic pressure let damage to the dam. Dams have been shown to have long-term harmful make on fish and other river bread and butter. Pesticides used to destroy the aquatic weeds that often invade reservoirs affect fish populations.

Plants and crap underwater in a reservoir soon rot, minify the amount of nutrient in the water, and eventually leading to a reduction in fish stocks. Some scientists believe that the big weight of the water behind dams may trigger earthquakes. little dams cause less ecological damage but gove rnments and investors are often attracted by! large-scale dam-building projects. The over enthusiasm and depravation in these projects, result in ill placed and faded dams. The harm of such dams has caused a number of floods leading to death of life and property. Let us take up a few examples so as to determine the extent of butchery caused by the dams. Aswan High Dam on the river Nile in Egypt collects a great(p) deal of...If you want to get a adequate essay, stage it on our website: OrderCustomPaper.com

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