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Salmon (Endangered or threatened (Problems of why they are becoming…
Salmon
Endangered or threatened
Bull trout is threatened
Chinook is threatened
Chum is threatened
Coho is threatened
Sockeye is endangered
Steel head is threatened
Problems of why they are becoming endangered
Overfishing
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Climate change
Dams are blocking passageways
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Whats the journey like for salmon
Climb 6,000 feet of elevation
Animals try to eat them
900 miles
People trying to catch them
Have to conquer dams
Being captured and eggs being incubated
What percentage live?
2% percent live from egg to adult
Types
Coho
Silver
Chum
Sockeye
King
Pink
Atlantic
Adult salmon eating
Young salmon Eating
invertabrates
plankton
Insects
other fish
squid
eels
shrimp
What are the important factors of keeping salmon?
How salmon affects Northwest
Communities live on them
There dead carcusses bring nutrients which help make plants grow
They change water chemistry
Foundation of river ecosystems
Center of economics and culture
A symbol to rally around
What are the solutions to saving salmon?
Not over fishing
Setting limits of how much you can catch
Remove dams
What are the problems to these solutions?
Destroying the dams could make our power go away, 40% of all U.S hydro power is derived from Columbia and Snake RIvers
Poaching
Predators are endangered too, food chain is being disrupted
People will lose there jobs and those people will get mad courts and our economic will be disrupted
Life stages
eggs, alevins, fry, parr, smolts, adult, kelts
How long do they live?
Chinook live for 3-7 years
Coho live for 1-3 years
Chum live for 3-4 years
Pink live for 2 years
Sockeye live for 5 years