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Record #188927:

Changes in Heard Island glaciers, king penguins and fur seals since 1947 / G.M. Budd.

Title: Changes in Heard Island glaciers, king penguins and fur seals since 1947 / G.M. Budd.
Author(s): Budd, G. M.
Date: 2000.
Abstract: Summarises and discusses changes in glaciers, and populations of king penguins and fur seals on sub-Antarctic Heard Island as reported by 9 wintering parties and 11 summer expeditions since 1947, with particular reference to period between 1947 and 1971. Period from 1947-55 saw minimal change, but 1963-71 saw rapid changes in which complex pattern of asynchronous glacier retreat and re-advance was observed and main features of island's recolonisation by king penguins and fur seals were established. Subsequent expeditions from 1980-93 reported continuing glacier recession in response to warmer air temperatures, and continuing exponential increase in king penguins and fur seals. Glacier observations show that Heard Island glaciers are sensitive indicators of climate change in Southern Ocean, and also of interactions between climate and glacier topography. Recolonisation by king penguins and fur seals is attributed mainly to improved food supply which may itself, like glacier recession, be response to changes in atmospheric and oceanic circulation. Glacier recession and its consequences are changing island's coastline, and expanding populations of king penguins and fur seals are damaging vegetation on island with hitherto undamaged ecosystem and no introduced predators.
Notes:

Offprint: Papers and Proceedings of the Royal Society of Tasmania. Vol. 133(2) :47-60.

Special issue: Heard Island Papers.

Keywords: 574 -- Ecology.
574.4 -- Ecology, terrestrial.
574.42 -- Ecosystem formation and succession.
551.324.63 -- Land ice, advance and retreat.
551.583 -- Climatic changes.
591.54 -- Animals, influence of climate.
598.45 -- Penguins: Aptenodytes patagonica.
599.745.1 -- Otaridae: Arctocephalus gazella.
574.34 -- Population dynamics.
91(08) -- Expeditions: 1947- Australian National Antarctic Research Expeditions.
F -- Biological sciences.
(*7) -- Antarctic regions.
(*78) -- Sub-Antarctic islands.
(*785) -- Heard and McDonald Islands.
(*80) -- Southern Ocean.
(*84) -- South Indian Ocean.
Location(s): SCO: SPRI-SHF: (*785)[2000]
SPRI record no.: 188927

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100 1# ‡aBudd, G. M.
245 10 ‡aChanges in Heard Island glaciers, king penguins and fur seals since 1947 /‡cG.M. Budd.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2000.
300 ## ‡ap. 47-60 :‡bill., diags., tables, map.
500 ## ‡aOffprint: Papers and Proceedings of the Royal Society of Tasmania. Vol. 133(2) :47-60.
500 ## ‡aSpecial issue: Heard Island Papers.
520 3# ‡aSummarises and discusses changes in glaciers, and populations of king penguins and fur seals on sub-Antarctic Heard Island as reported by 9 wintering parties and 11 summer expeditions since 1947, with particular reference to period between 1947 and 1971. Period from 1947-55 saw minimal change, but 1963-71 saw rapid changes in which complex pattern of asynchronous glacier retreat and re-advance was observed and main features of island's recolonisation by king penguins and fur seals were established. Subsequent expeditions from 1980-93 reported continuing glacier recession in response to warmer air temperatures, and continuing exponential increase in king penguins and fur seals. Glacier observations show that Heard Island glaciers are sensitive indicators of climate change in Southern Ocean, and also of interactions between climate and glacier topography. Recolonisation by king penguins and fur seals is attributed mainly to improved food supply which may itself, like glacier recession, be response to changes in atmospheric and oceanic circulation. Glacier recession and its consequences are changing island's coastline, and expanding populations of king penguins and fur seals are damaging vegetation on island with hitherto undamaged ecosystem and no introduced predators.
650 07 ‡a574 -- Ecology.‡2udc
650 07 ‡a574.4 -- Ecology, terrestrial.‡2udc
650 07 ‡a574.42 -- Ecosystem formation and succession.‡2udc
650 07 ‡a551.324.63 -- Land ice, advance and retreat.‡2udc
650 07 ‡a551.583 -- Climatic changes.‡2udc
650 07 ‡a591.54 -- Animals, influence of climate.‡2udc
650 07 ‡a598.45 -- Penguins: Aptenodytes patagonica.‡2udc
650 07 ‡a599.745.1 -- Otaridae: Arctocephalus gazella.‡2udc
650 07 ‡a574.34 -- Population dynamics.‡2udc
650 07 ‡a91(08) -- Expeditions: 1947- Australian National Antarctic Research Expeditions.‡2udc
650 07 ‡aF -- Biological sciences.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*78) -- Sub-Antarctic islands.‡2udc
651 #7 ‡a(*785) -- Heard and McDonald Islands.‡2udc
651 #7 ‡a(*80) -- Southern Ocean.‡2udc
651 #7 ‡a(*84) -- South Indian Ocean.‡2udc
852 7# ‡2camdept‡bSCO‡cSPRI-SHF‡h(*785)[2000]‡9Create 1 item record‡0Migrate
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917 ## ‡aUnenhanced record from Muscat, imported 2019
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