| Title | A Report of Fisheries Investigations in Oregon Coastal Streams South of the Columbia River and Exclusive of the Umpqua River |
| Publication Type | Report |
| Year of Publication | 1947 |
| Pagination | 79 p., unpaged charts |
| City | [Portland, Or.] |
| Call Number | OSU Libraries: Digital Open Access |
| Keywords | Chinook salmon = Oncorhynchus tshawytscha, Coho salmon = Oncorhynchus kisutch, cutthroat trout = Oncorhynchus clarki, dams, ecology, fisheries, habitat, introduced species, pollution, salmonids, spawning, steelhead trout = Oncorhynchus mykiss |
| Notes | P.31-79 cover "coastal streams other than the Rogue and Umpqua." Reports on 1941 reconnaissance survey, 1942 steelhead studies in the Tillamook Bay area, 1946 steelhead follow-up (Sand Creek, Kilchis River tributaries). Gathered basic biological and environmental data. Lists stream barriers and needed improvements. From summary: "The cutthroat trout populations are on the decline in all coastal streams with the exception of the Necanicum and Siuslaw rivers.""Steelhead seem to be holding their own ... south of Tillamook Bay but are continuing to decline north of that area.""Silver salmon have been greatly reduced in all coastal streams but are making a come-back in the Necanicum, Dee, and Siuslaw rivers. ""The spring chinook has all but been exterminated..." (p.31). Charts. |
| URL | https://ir.library.oregonstate.edu/concern/defaults/r494vq85g |
