網頁The Decline of the Steller Sea Lion in Alaskan Waters: Untangling Food Webs and Fishing Nets Gordon H. Kruse, Ph.D. Member, Committee on the Alaska Groundfish Fishery and … 網頁1998年10月1日 · Steller sea lion An important finding in this study concerns Cu and Hg in Steller sea lions. In California, Steller sea lions are a threatened species protected under the Endangered Species Act. Generally, copper is found in low abundance in marine mammals (Eisler, 1981c), but elevated levels have been associated with premature …
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網頁Steller Watch NOAA Fisheries Steller sea lion biologists need your help. We have hundreds of thousands of images taken by cameras stationed in the remote Aleutian Islands in Alaska. We need your help to find out which images have sea lions present with ... 網頁The study of the trophic relationships of aquatic animals requires correct estimates of their diets. We compared the quantitative fatty acid signature analysis (QFASA) and the isotope-mixing model IsoError, based on the compound-specific isotope analysis of fatty acids (CSIA-FA), which are potentially effective models for quantitative diet estimations. In a 21 … jeannette westcott keller williams
Food and Feeding Behavior of Steller and California Sea Lions
網頁Masses in Lookdowns. Submarine Syndrome. Effects of Inbreeding. Laparoscopic Surgery. Mixed Bacterial Infections. Turbidity Measurements. Susceptibility of Bacteria. Plant Chlorosis. Infectious Diseases. 網頁Use of sea lions by First Nations people appears to have declined during the 1800s and sea lion meat has not been a mainstay of their diet since the early 1900s (Duff 1977; Bigg 1985). In Alaska, household surveys indicate that about 350 Steller sea lions have been taken annually in recent years, but mostly in the northern part of their range. 網頁2024年8月15日 · Permit lets Washington, Oregon, Idaho and Native American tribes kill 540 California sea lions and 176 Steller sea lions Associated Press Sat 15 Aug 2024 09.30 … jeannette weather forcast