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Increasing salmon hatcheries could do more harm than good for Chinook and Southern Resident killer whales

A killer whale chases a chinook salmon in the Salish Sea.

Hatcheries have failed to protect or restore the old ages, big sizes, range of migration times and diversity of wild Chinook salmon. For Southern Residents to recover, the age structure and run timing of wild Chinook runs, along with abundance, need to be restored. This is not the objective of hatcheries…

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