| Title | Investigation of scientific information on the impacts of California sea lions and Pacific harbor seals on salmonids and on the coastal ecosystems of Washington, Oregon, and California |
| Publication Type | Report |
| Year of Publication | 1997 |
| Authors | U.S. National Marine Fisheries Service. Northwest Fisheries Science Center, and U.S. National Marine Fisheries Service. Northwest Region |
| Secondary Title | NOAA Technical Memorandum NMFS-NWFSC |
| Volume | no.28 |
| Pagination | 172 p. |
| Date Published | March_1997 |
| Institution | U.S. Department of Commerce |
| City | Seattle, WA |
| Call Number | Guin SH11 .A541151 no.28, Digital Open Access |
| Keywords | biological, California sea lion=Zalophus californianus, chinook salmon=Oncorhynchus tshawytscha, coho salmon=Oncorhynchus kisutch, Columbia River estuary, ecosystem health, feeding behavior, harbor seal=Phoca vitulina, population biology, population count, Port Orford, Rogue River estuary, sockeye salmon=Oncorhynchus nerka, steelhead=Oncorhynchus mykiss, Tillamook estuary, Yaquina Bay |
| Notes | "Peak counts of California sea lions in Oregon have increased from 1,000-2,000 in the late 1970s to 5,000-7,000 in the early 1990s." |
| URL | https://www.webapps.nwfsc.noaa.gov/assets/techmemos/tm28/tm28.htm |
| Label | 8730 |
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