Increases in Antarctic penguin populations: reduced competition with whales or a loss of sea ice due to environmental warming? / William R. Fraser, Wayne Z. Trivelpiece, David G. Ainley, Susan G. Trivelpiece.

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008 240419s1992####xx#ab#|##|###|0||#0|eng#d
035 ## ‡aSPRI-116299
040 ## ‡aUkCU-P‡beng‡eaacr
245 00 ‡aIncreases in Antarctic penguin populations :‡breduced competition with whales or a loss of sea ice due to environmental warming? /‡cWilliam R. Fraser, Wayne Z. Trivelpiece, David G. Ainley, Susan G. Trivelpiece.
260 ## ‡a[S.l.] :‡b[s.n.],‡c1992.
300 ## ‡ap. 525-531 :‡bdiags., map.
500 ## ‡aPolar Biology. Vol. 11(8) :525-531 (1992).
520 3# ‡aQuestions "central tenet of Antarctic ecology" that increases in chinstrap penguin Pygoscelis antarctica populations in Antarctic Peninsula region since 1950s reflect decrease in baleen whale stocks; presents alternative hypothesis attributing population rise to gradual decrease in frequency of cold years with extensive winter sea ice cover. Supporting data derived from 1988 AMERIEZ (Antarctic Marine Ecosystem Research at the Ice Edge Zone) programme, recent satellite images of ice cover, long-term surface temperature records and penguin demography.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.326.7 -- Sea ice.‡2udc
650 07 ‡a57 -- Biology.‡2udc
650 07 ‡a551.583 -- Climatic changes.‡2udc
650 07 ‡a551.588.5 -- Climate, relationship with ice.‡2udc
650 07 ‡a574 -- Ecology.‡2udc
650 07 ‡a574.2 -- Organisms, influence of environment.‡2udc
650 07 ‡a574.2.043/.045 -- Organisms, influence of physical environment.‡2udc
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 ‡a59 -- Zoology.‡2udc
650 07 ‡a591.13 -- Animal digestion and inanition.‡2udc
650 07 ‡a591.52 -- Animal habitat.‡2udc
650 07 ‡a595.383.1 -- Euphausiacea: Euphausia superba.‡2udc
650 07 ‡a598.45 -- Penguins: Pygoscelis antarctica.‡2udc
650 07 ‡aH5 -- Zoology: birds.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*726) -- Maritime Antarctic.‡2udc
651 #7 ‡a(*80) -- Southern Ocean.‡2udc
700 1# ‡aFraser, William R.
700 1# ‡aTrivelpiece, Wayne Z.
700 1# ‡aAinley, David G.
700 1# ‡aTrivelpiece, Susan G.
773 0# ‡7nnas ‡tPolar Biology. ‡gVol. 11(8) (1992) ‡wSPRI-64245
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20240419