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Swan Falls-C.J. Strike Subpopulation Status and Trends

Dillon, J. and S.A. Grunder. 2008. Management plan for the conservation of Snake River white sturgeon in Idaho. Idaho Department of Fish and Game, Boise, ID.

To view all subpopulations in the basin click here
Monitoring of the white sturgeon subpopulation in the C.J. Strike to Swan Falls reach has led managers to characterize the population as being spawning limited. In 1996, the white sturgeon population was estimated at 726 fish or 16 fish/km. A 2007 survey led to an abundance estimate of 566 fish. Because staging, spawning, and larval habitat is only available during median or high water years, downstream movement of mid-size and larger white sturgeon is likely supporting the current population structure below C.J. Strike Dam.








Abundance



* Monitoring did not occur during years for which data do not exist.

Density


No data available at this time.

Productivity


No data available at this time.

Hatchery Releases


No releases

Harvest


There is no harvest since catch-and-release regulations are in effect for this subpopulation.


See other data snapshots that help us gauge the abundance of fish and wildlife:

Subpopulations for Upper Snake Management Unit

Other Management Units - Subpopulations