Ocean 115 - Introduction to Oceanography » Spring 2022 » Salmon Video

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Question #1
What happened to the salmon when they reached their spawning grounds in Idaho? Where do they go?
A.   They get shredded by bears
B.   They migrate back out to the ocean
C.   They are scooped, weighed and measured and then taken to a warehouse nearby
D.   They spawn in the thousands and then die
Question #2
Where do salmon spend most of their lives?
A.   In hatcheries
B.   It varies depending on the salmon
C.   In rivers in the northwestern US
D.   In the Pacific Ocean
Question #3
What do the Idaho sockeye have to cross to reproduce?
A.   Eight dams
B.   One hundred twenty three dams
C.   Three dams
D.   One giant dam
Question #4
What provides “kick start” for life in the Idaho Mountains?
A.   Birch trees
B.     
C.   Eagles
D.   Maple trees
E.   Potatoes
F.   Salmon
Question #5
How many dams does the Columbia River basin have?
A.   140
B.   1400
C.   20
D.   40
E.   400
Question #6
How many hatcheries does the Columbia River basin have instead?
A.   1100
B.   190
C.   170
D.   23
E.   123
Question #7
So, if 90% plus of salmon eggs become salmon that can be released, why are the salmon hatcheries leaving them more vulnerable?
A.   they need to be bottle fed
B.   they are afraid to leave the hatchery and will not swim away
C.   they can no longer live in the salt water of the ocean
D.   they are losing their genetic diversity, through inbreeding
Question #8
How does Yani tie into the hatcheries?
A.   He is played by underwater speakers to keep the salmon calm
B.   He is representative of how the hatcheries reproduce a limited diversity of salmon just like if a radio station only played Yani Yani and Yani
C.   He is a major donor to the hatcheries
D.   He has four dams named after him
Question #9
What bad habit(s) have the salmon learned in the hatcheries?
A.   they have to jump making them leery of their natural food
B.   being feed on the top of the water
C.   they now have to face forward instead of backwards down the stream, so they lose all of their energy
Question #10
How much can a pikeminnow bounty hunter make per fish?
A.   $26
B.   $11
C.   $3
D.   $28
E.   $8
F.   $36
Question #11
How many salmon book passage by barge or truck down the river?
A.   250,000 salmon
B.     
C.   2 million salmon
D.   25 million salmon
E.   2 billion salmon
F.   20 million salmon
Question #12
What have the terns and cormorants figured out?
A.   When and where the salmon barge will release young salmon
B.   That humans will shoot them to protect young salmon
C.   How to catch the salmon in the open ocean
D.   How to migrate across the US to feed on Atlantic and Pacific salmon
Question #13
What percent of salmon swim past the Bonnevile Dam today as did 100 years ago?
A.   < 1%
B.   < 67%
C.   < 31%
D.   < 8%
E.   < 71%
Question #14
How much money have the tribes of the northwest lost due to the decline in salmon?
A.   Thousands of dollars
B.   Millions of dollars
C.   Trillions of dollars
D.   Billions of dollars
E.     
Question #15
How long was the Chinook salmon hunt in 2009?
A.   14 nights through dusk and dawn
B.   3 nights through dusk and dawn
C.   2 months
D.   2 years
E.   24 nights through dusk and dawn
Question #16
What do the hatchery fish not do?
A.   They are unable to be caught on a rod and reel
B.   Swim effectively
C.   They are unable to reproduce being sterile
D.   They do not make it back to the river removing the “kick start” from the area
Question #17
What happened to the Savage Rapid Dams on the Rogue River?
A.   In 2009 the Savage Rapid Dam was raised in height
B.   In 2009 the Savage Rapid Dam was destroyed
C.   In 2009 the Savage Rapid Dam was remodeled with a fish ladder
D.   In 2009 the Savage Rapid Dam was sold and its electricity is exported to China
Question #18
How can we restore the salmon numbers?
A.   By hunting more salmon predators like bears and eagles
B.   By increasing the number of hatcheries
C.   By removing dams and restoring the natural river cycle
D.   By increasing the number of dams
Question #19
How many sockeye past all 8 dams in Idaho in 2006?
A.   13,000
B.   3
C.   357
D.   1
E.   1357
Question #20
What did a federal judge order and why did that make a difference in 2010?
A.   The judge ordered the hatcheries to close and all the salmon are now gone
B.   The judge ordered the dams to spill the water and over then the next few years thirteen hundred salmon came back
C.   The judge ordered the dams be closed ending the salmon run

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