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Washed downstream by flash floods and held up by the dam from going any further.
Also, during times of drought they will migrate to areas where more water is present.
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∙ 10y ago
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Is building dams a good thing or a bad?
Short answer- both. Dams can interfere with the migration of fish, and cuase rivers to silt up. However, dams are also used to control flooding, supply water and power.
Why are people against dams as flood prevention?
Dams erase beautiful stretches of river people may enjoy for fly fishing or other activities. Dams also make it more difficult for fish to migrate to their spawning grounds up river. These losses must be balanced against the benefits dams provide--water for irrigation, flood control, other recreational activities, and electricity.
Is taking out dams good or bad for salman?
HELL YES! According to Save Our Wild Salmon, a coalition of environmental groups and commercial and sport fishing associations, dams alone are responsible for the loss of 92 percent of salmon headed out to sea and of up to 25 percent on their way back upstream. "Fish are gone entirely from almost 40 percent of their historic rivers," says Dietrich, who adds that most of the remaining fish are at risk, too, qualifying for full protection under the Endangered Species Act. Quite simply, the fish just cannot swim past the dams.
How does the oil end up in the sea?
Beacuse fish die
How many dams are in Connecticut?
There are 765 Dams in Connecticut U.S.A. I counted them all up myself.
How many dams did the dam busters blow up?
The targets were the Mohne, Eder, and Sorpe Dams on the Ruhr in Germany. They successfully breached the Mohne and Eder Dams,
What is the impact of pollution to fish?
It can poison humans and other animals because many fish end up being eaten.
Can male fighting fish be in the same tank as a female fighting fish?
no because they will end up killing each other
What are some problems with the dams?
Sometimes dams slow the water down, and makes the water build up, causing floods.
How do wolverines get into beaver dams?
By dressing up as beavers.
Why is fishing bad?
Fishing is bad because fish help the environment. Some people catch fish but they will end up not eating eat. Anglers are very very greedy because they catch to many fish and fish meay end up becoming exctinct.Also some anglers just fish for some parts of the fish , then they will dump thefish back in the sea and the fish would probably die
Why are dams bad for the environment?
Dams cover a lot of often fertile farmland.Silt and debris build up behind the dam wall producing and releasing methane, a serious greenhouse gas.Dams often prevent fish moving upstream to their breeding grounds.
