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Entanglement of Antarctic fur seals at Bird Island, South Georgia

Waluda, Claire M. ; Staniland, Iain J.

Marine pollution bulletin, 2013-09, Vol.74 (1), p.244-252 [Periódico revisado por pares]

Kidlington: Elsevier Ltd

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Título:
Entanglement of Antarctic fur seals at Bird Island, South Georgia
Autor: Waluda, Claire M. ; Staniland, Iain J.
Assuntos: Animal and plant ecology ; Animal, plant and microbial ecology ; Animals ; Antarctic fur seal ; Antarctic Regions ; Applied ecology ; Arctocephalus ; Arctocephalus gazella ; Aves ; Biological and medical sciences ; Ecotoxicology, biological effects of pollution ; Entanglement ; Environmental Monitoring ; Exploitation and management of natural biological resources (hunting, fishing and exploited populations survey, etc.) ; Female ; fish nets ; Fishery ; Fundamental and applied biological sciences. Psychology ; Fur Seals ; juveniles ; laws and regulations ; Male ; males ; Marine ; Marine and brackish environment ; Marine debris ; packaging ; regression analysis ; Scotia Sea ; Sea water ecosystems ; seals ; Synecology ; Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution ; Waste Products - analysis ; Waste Products - statistics & numerical data ; Water Pollutants - analysis ; water pollution ; Water Pollution - statistics & numerical data
É parte de: Marine pollution bulletin, 2013-09, Vol.74 (1), p.244-252
Notas: http://dx.doi.org/10.1016/j.marpolbul.2013.06.050
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Descrição: •Seal entanglements were monitored in the Scotia Sea between 1989 and 2013.•1033 Entanglements were observed, 73% were juvenile seals (44% juvenile males).•Packaging bands were the most common entangling material (43%).•There has been a significant decline in Antarctic fur seal entanglements since 1994.•Low levels of entanglements, related to number of seals, are still a concern. Between November 1989 and March 2013, 1033 Antarctic fur seals Arctocephalus gazella were observed entangled in marine debris at Bird Island, South Georgia. The majority of entanglements involved plastic packaging bands (43%), synthetic line (25%) or fishing net (17%). Juvenile male seals were the most commonly entangled (44%). A piecewise regression analysis showed that a single breakpoint at 1994 gave the best description of inter-annual variability in the data, with higher levels of entanglements prior to 1994 (mean=110±28) followed by persistent lower levels (mean=28±4). Records of entanglements from other sites monitored in the Scotia Sea are also presented. Legislation imposed by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) has, to a certain extent, been effective, but persistent low levels of seal entanglements are still a cause for concern at South Georgia.
Editor: Kidlington: Elsevier Ltd
Idioma: Inglês

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Entanglement of Antarctic fur seals at Bird Island, South Georgia

Waluda, Claire M. ; Staniland, Iain J.

Kidlington: Elsevier Ltd

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