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What will happen to the environment if a dam is built? |
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Answer
A dam was built in Canada years ago. And one day the controller thought that the water level was too high so he let the water run out into the river that had been dammed.
It just so happened that a large group of migrating cariboo wanted to cross that same river that same day. Needless to say the water level was so high in the river that all the cariboo drowned and never made it to the other side.
So my answer is: Maybe nothing bad will happen to us, but maybe a lot of bad things will happen the animals near the dam.
Obviously, a large area is submerged when a dam is built, and this may be home to unique and endangered flora and fauna. Water which flows from hydroelectric dams is from the bottom of the dam where it is cold, dark, low in oxygen, and almost lifeless. This affects the ecosystem for many miles downstream.
Benefit
The reservoir created by a dam, while taking away some terrestrial habitat, can improve wetland, shoreline, and aquatic habitat.
First answer by Natural Val. Last edit by Cataclysmic Beefstick. Contributor trust: 77 [recommend contributor]. Question popularity: 41 [recommend question]
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