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Record #200371:

A critical review of the regime shift-"junk food"- nutritional stress hypothesis for the decline of the western stock of Steller sea lion / Lowell W. Fritz, Sarah Hinckley.

Title: A critical review of the regime shift-"junk food"- nutritional stress hypothesis for the decline of the western stock of Steller sea lion / Lowell W. Fritz, Sarah Hinckley.
Author(s): Fritz, Lowell W.
Hinckley, Sarah.
Date: 2005.
Publisher: [San Francisco, CA]: Society for Marine Mammalogy
Abstract: Between 1975 and 2005 population of Steller sea lions (Eumetopias jubatus) in central and western Gulf of Alaska, Aleutian Islands and Bering Sea suffered 80% decline. Hypothesis for decline has assumed that climate regime shift between 1976-1977 changed species composition of fish community on which Steller sea lions depended for food. Nutritional quality of their prey was reduced, leading to energy density stress and general reduction in fitness, survival and reproduction. However, examination of data finds little support for this hypothesis, concluding that population decline of Steller sea lions was not caused by any single factor and requires further evaluation and research.
Notes:

Offprint: Marine Mammal Science. Vol. 21, no. 3.

Keywords: 574.2.047 -- Organisms, influence of biotic environment.
574.34 -- Population dynamics.
574.5 -- Marine and freshwater ecology.
574.523 -- Food chains and networks, aquatic.
591.13 -- Animal digestion and inanition.
591.131.1 -- Animal feeding behaviour.
591.131.2 -- Predation.
591.54 -- Animals, influence of climate.
597.553.1 -- Clupeiformes: Clupea pallasi.
597.562 -- Gadiformes: Theragra chalcogramma.
599(26) -- Sea mammals.
599.745 -- Pinnipedia.
599.745.1 -- Otaridae: Eumetopias jubatus.
H6 -- Zoology: mammals.
(*3) -- Arctic regions.
(*49) -- Alaska.
(*495.2) -- Aleutian Islands.
(*661.1) -- Alaska, Gulf of.
(*662) -- Bering Sea and Strait.
Location(s): SCO: SPRI-PAM: 599.745.1[Eumetopias jubatus]
SPRI record no.: 200371

MARCXML

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001 SPRI-200371
005 20220925133116.0
007 ta
008 220925s2005####cauab##|#2###|0||#0#eng#d
035 ## ‡aSPRI-200371
040 ## ‡aUkCU-P‡beng‡eaacr
100 1# ‡aFritz, Lowell W.
245 12 ‡aA critical review of the regime shift-"junk food"- nutritional stress hypothesis for the decline of the western stock of Steller sea lion /‡cLowell W. Fritz, Sarah Hinckley.
260 ## ‡a[San Francisco, CA] :‡bSociety for Marine Mammalogy,‡c2005.
300 ## ‡ap. 476-518 :‡bill., diags., tables, map.
490 0# ‡aMarine Mammal Science
500 ## ‡aOffprint: Marine Mammal Science. Vol. 21, no. 3.
520 3# ‡aBetween 1975 and 2005 population of Steller sea lions (Eumetopias jubatus) in central and western Gulf of Alaska, Aleutian Islands and Bering Sea suffered 80% decline. Hypothesis for decline has assumed that climate regime shift between 1976-1977 changed species composition of fish community on which Steller sea lions depended for food. Nutritional quality of their prey was reduced, leading to energy density stress and general reduction in fitness, survival and reproduction. However, examination of data finds little support for this hypothesis, concluding that population decline of Steller sea lions was not caused by any single factor and requires further evaluation and research.
650 07 ‡a574.2.047 -- Organisms, influence of biotic environment.‡2udc
650 07 ‡a574.34 -- Population dynamics.‡2udc
650 07 ‡a574.5 -- Marine and freshwater ecology.‡2udc
650 07 ‡a574.523 -- Food chains and networks, aquatic.‡2udc
650 07 ‡a591.13 -- Animal digestion and inanition.‡2udc
650 07 ‡a591.131.1 -- Animal feeding behaviour.‡2udc
650 07 ‡a591.131.2 -- Predation.‡2udc
650 07 ‡a591.54 -- Animals, influence of climate.‡2udc
650 07 ‡a597.553.1 -- Clupeiformes: Clupea pallasi.‡2udc
650 07 ‡a597.562 -- Gadiformes: Theragra chalcogramma.‡2udc
650 07 ‡a599(26) -- Sea mammals.‡2udc
650 07 ‡a599.745 -- Pinnipedia.‡2udc
650 07 ‡a599.745.1 -- Otaridae: Eumetopias jubatus.‡2udc
650 07 ‡aH6 -- Zoology: mammals.‡2local
651 #7 ‡a(*3) -- Arctic regions.‡2udc
651 #7 ‡a(*49) -- Alaska.‡2udc
651 #7 ‡a(*495.2) -- Aleutian Islands.‡2udc
651 #7 ‡a(*661.1) -- Alaska, Gulf of.‡2udc
651 #7 ‡a(*662) -- Bering Sea and Strait.‡2udc
700 1# ‡aHinckley, Sarah.
852 7# ‡2camdept‡bSCO‡cSPRI-PAM‡h599.745.1[Eumetopias jubatus]‡9Create 1 item record‡0Migrate
916 ## ‡a146495 -- 2012/08/17 -- AK
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20220925 ‡bAK