Salmon Habitat Restoration and Return

The video discusses the return of FAL chinuk salmon to tributaries of the Clth River after the removal of the Ironate Dam. These areas had not seen fish for over 60 years. The rapid recolonization of these areas by fish, just nine months after being underwater, was surprising. The video highlights the importance of habitat restoration and how fish are used to identify areas needing improvement. It emphasizes the need to track fish offspring as they leave the river, marking a significant milestone in river management and restoration efforts.

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

• Change in water temperature

• Construction of a new dam

• Removal of the Ironate Dam

• Introduction of new fish species

How long had it been since fish last spawned in the tributaries of the Clth River?

• 60 years

• 75 years

• 45 years

• 30 years

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

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

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

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

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

What does the speaker feel about the milestone of salmon returning to the tributaries?

• It is insignificant

• It is a setback

• It is the most significant milestone

• It is a minor achievement

What does the speaker hope for the future regarding the salmon and their habitat?

• That the salmon will be relocated

• That the habitat will be left untouched

• That the habitat will be restored and improved

• That the salmon will stop returning

What feeling does the speaker associate with the return of the salmon?

• Disappointment

• Catharsis

• Indifference

• Frustration