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Tri‑County officials flag risks to salmon returns as dams are removed and surveys are imperfect
Summary
Supervisors discussed puzzling short‑term increases in adult returns versus uncertain juvenile out‑migrant survival during and after dam removals, questioned current fish‑count infrastructure and CDFW survey funding, and urged Tri‑County coordination on monitoring and habitat assumptions.
Tri‑County supervisors and participants discussed anadromous fish (salmon) population dynamics and monitoring challenges, focusing on how dam removals and altered landscapes could change both adult returns and juvenile survival.
A supervisor noted that local and tribal economies depend on salmon and that local regulators are often evaluated by returning spawner counts; the speaker said the region cannot directly control return numbers and stressed the need to "get the mother cows home" — i.e., get more…
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