What significant event allowed FAL Chinook salmon to return to the tributaries of the Clth River?

Salmon Habitat Restoration and Return

Interactive Video
•
Biology, Science, Geography
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Change in water temperature
Construction of a new dam
Removal of the Ironate Dam
Introduction of new fish species
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How long had it been since fish last spawned in the tributaries of the Clth River?
60 years
75 years
45 years
30 years
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was surprising about the salmon's return to the tributaries?
The color of the fish
The size of the fish
The number of fish that returned
The speed at which they recolonized
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the state of the tributaries just 9 months before the salmon returned?
They were underwater in reservoirs
They were frozen
They were polluted
They were dry
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do the salmon currently in the river play in habitat restoration?
They are being used for scientific experiments
They are helping identify good and bad habitats
They are being relocated to other rivers
They are being bred in captivity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the plan for the habitat that is currently not ideal for the salmon?
Restore and improve it
Convert it into a recreational area
Leave it as it is
Use it for agriculture
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to track the offspring of the salmon?
To sell them in the market
To ensure they are not eaten by predators
To keep track of their numbers as they leave the river
To monitor their migration patterns
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