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Coho - Mid-South Coast Stratum
The Mid-South Coast biogeographic stratum includes the Threemile Creek watershed north of the Umpqua River and all Oregon coastal watersheds from Coos Bay in the north to the Sixes River in the south. There are a total of 4 independent populations and 1 dependent population group in the stratum. The dependent population group consists of 3 separate dependent populations.
The trend in adult abundance is presented for all strata. Analyses for other criteria are available for the individual populations contained within each stratum.
Progress
At the Stratum level, the only measurable criterion available is spawner abundance.
Description
Annual estimates of the abundance of naturally-produced spawners for each stratum
Trend
Map
View the strata and the population boundaries. Select a population on the map or from the list on the right.