Dams along water sources has caused a 90% decrease in Southern California steelhead run sizes
- Dam alter aquatic ecology and river hydrology up steam and down steam, affecting water quality, quantity and breeding grounds.
What is a dam?
A dam is a barrier that restricts or stops the flow of surface water or underground streams.
- Dams constructed can suppress floods and also can provide water for activities such as irrigation, human consumption etc.
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