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Building dams is a threat to fish because it takes away from their habitat and breeding grounds. Dams may also hinder their ability to migrate.
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∙ 9y ago
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What are the disadvantage of hydro power?
Building dams can flood land and affect fish and wildlife
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.
Who plans building dams?
Architects.
What are beavers jobs?
building houses or dams
What animal is known for building dams?
beaver
What is a building retaining wall called?
dams
What forces threaten salmon populations?
Many forces threaten salmon populations, there are forces such as over fishing, fishing techniques (purse seine), dams that block the upstream travel of salmon, reservoirs and lakes behind dams, damage from logging in the form of disturbed soil, and mining damage.
Why are fisherman against dams?
because the dams drive away the fish and makes the ecosystem FUNKY
What disadvantages are there when using hydroelectric dams?
Building them has considerable environmental impact - it creates a man-made lake that floods great areas. Migrating fish are stopped in their tracks.
What prevents sediment from reaching the coast?
Building dams
What do people do with water when building dams?
they route it differently
What are delta smelt fish get eaten by?
Delta smelt are not being eaten. The dams California's making are sucking the fish into the grinding part of the dams and are grinding them into pieces.
