OREGON DEPARTMENT OF FISH AND WILDLIFE (ODFW) ACTIVITY IN THE
SEVEN BASINS WATERSHED

Upper Rogue Smolt Trapping Project

In March 1998, the Rogue District office of the ODFW began a cooperative smolt trapping project with the Butte Falls Resource Area of the Bureau of Land Management (BLM) on three streams in the Rogue River basin. Trapping was expanded to 6 streams in 1999 when the Ashland Ranger District of the Rogue River National Forest (RRNF) became an additional partner in the project. Since 1999, some trap sites have been dropped and others added, and we continue to conduct smolt trapping on six Rogue River basin streams, West Fork Evans Creek, Bear Creek, Little Butte Creek, Elk Creek, Slate Creek and the Little Applegate River.

This trapping project is part of a statewide effort by ODFW to monitor juvenile salmonid production as outlined in the Oregon Plan for Salmon and Watersheds. The objectives of this project were to 1) obtain an estimate of the production of coho salmon (Oncorhynchus kisutch), chinook salmon (O. tshawytscha) and steelhead (O. mykiss) smolts; 2) determine the timing of outmigration of smolts; and 3) determine the sizes of smolts migrating from each of these stream systems. While mark-recapture estimates were not done for other species or life stages of fish, this project also provided some information on the abundance of pre-smolt steelhead and coho and resident and anadromous cutthroat trout (O. clarki).

See the 2004 report by Jerry Vogt, Assistant District Fisheries Biologist, in PDF file format: ODFW-Smolt04.PDF (246KB)

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