Search results
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Soft-sediment macrozoobenthos from Domain 1 (Antarctica): A preliminary report using community parameters and proxies
Abstract: The present scientific report presents the analysis of a database compilation in order ... biogenic opal and TOC in sites with highest density of benthic organisms. Although, sampling effort can ... play an important role in the results, data suggests that the seafloor around King George Island can be ... considered as a hot-spot of diversity as well as production, and the geochemical proxies are in agree with ...
Meeting Document : SC-CAMLR-XXXVI/BG/10 : Author(s): Delegation of Chile
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CCAMLR MPAs and the global climate and biodiversity crisis
Abstract: The world is in a global climate and biodiversity crisis. Multiple international ... work. Nearly two decades since MPA discussions began, there are significant gaps in the system of ... CCAMLR MPAs. This has implications not only for the conservation of marine life in the Convention Area ... but also in addressing the global climate and biodiversity crisis. ASOC calls on CCAMLR to realize the ...
Meeting Document : CCAMLR-38/BG/44 : Author(s): Submitted by ASOC
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Diet of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region, Antarctica
Abstract: The diet of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region was ... examined based on stomach samples obtained from observers on New Zealand fishing vessels in 2003 and 2010 ... study did not distinguish between M. whitsoni and M. caml, but this should occur in future. Over the ... stomach contents of toothfish could be used to detect ecosystem change in the Ross Sea region, with a ...
Meeting Document : WG-FSA-12/52 : Author(s): D.W. Stevens, M.R. Dunn, M.H. Pinkerton and J.S. Forman (New Zealand)
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Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula
. Antarctic krill (Euphausia superba) is a significant component of diet for penguins breeding in this region ... in krill predation estimates. We use a comprehensive database of Antarctic penguin abundances to ... of pygoscelid penguins breeding in this region. We find that a high quality survey of Zavodovski ... Island alone would decrease uncertainty in total population by 24.8%, whereas high quality surveys of all ...
Meeting Document : WG-EMM-12/P02 : Author(s): H.J. Lynch, N. Ratcliffe, J. Passmore, E. Foster and P. N. Trathan
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STRONG EFFECTS OF ENVIRONMENTAL CONDITIONS ON REPRODUCTIVE SUCCESS OF PENGUINS AT KING GEORGE ISLAND
variability in the reproductive success of Adélie, gentoo, and chinstrap penguins can be explained by simple ... reproductive success in all species. Biological variables measured during the chick-rearing phase, like krill ... chinstrap penguins which breed later in the season than gentoo and Adélie penguins. In most cases, the final ... predictor variables detected in this analysis have exhibited directional trends, implying important effects ...
Meeting Document : WG-EMM-09/43 : Author(s): J. Hinke, C. Reiss and W. Trivelpiece (USA)
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AGE ESTIMATION AND LEAD-RADIUM DATING OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI)
commercial fishery in the Southern Ocean, yet many of their life history characteristics, including vital ... rates, remain unknown. In this study, Antarctic toothfish were aged using otolith age estimation ... estimated ages, the radioactive disequilibrium of lead-210 and radium-226 in otolith cores was measured and ... to at least 39 years of age. Estimated and radiometric ages were in close agreement, confirming age ...
Meeting Document : WG-FSA-08/17 : Author(s): C.M. Brooks, A.H. Andrews, J.R. Ashford, G.M. Cailliet, N. Ramanna and C. Lundstrom (USA)
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FISHING EQUIPMENT, MARINE DEBRIS AND HYDROCARBON SOILING ASSOCIATED WITH SEABIRDS AT BIRD ISLAND, SOUTH GEORGIA, 2007/2008
2008. It is the fifteenth such annual report. As in previous years, the majority of items (84%) of ... marine debris and fishing gear (mostly hooks and lines from longline fisheries) were found in association ... with wandering albatrosses Diomedea exulans, and very few in association with grey-headed Thalassarche ... was observed in the total number of items encountered (n=116) compared with the previous season. Two ...
Meeting Document : WG-FSA-08/25 : Author(s): D. Fox (UK)
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A proposal to enhance and clarify CCAMLR’s Catch Documentation Scheme
harvest through final import for consumption. The move, in 2010, to a fully electronic Catch ... Documentation Scheme (e-CDS) has improved the tracking of toothfish moving in trade and decreased the potential ... CCAMLR by participating in the CDS, to ensure that the toothfish entering their markets were harvested in ... efficient product traceability. However, there are some improvements that could be made in order to clarify ...
Meeting Document : CCAMLR-XXXI/38 : Author(s): Delegation of the USA
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2005/06
, nylon line was absent from Bird Island, an encouraging result after the peak of 546 pieces in 1995/96 ... . However plastic packaging bands are still regularly recovered. In the reporting period 16 pieces were ... found, more than in any of the previous 9 years, suggesting that the ban on their use aboard fishing ... vessels brought into force by CCAMLR in 1995/96 has yet to prove entirely effective. Sixty-nine pieces of ...
Meeting Document : SC-CAMLR-XXVI/BG/16 : Author(s): Delegation of the United Kingdom
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The diet of Antarctic fur seals, Arctocephalus gazella, at King George Island, during the summer–autumn period
, krill and fish were the most frequent prey, occurring in an average of 97% and 69% of samples (n=128 ... fish species associated with krill swarms. A seasonal change observed in the relative proportions of ... the different fish prey taxa would indicate that fur seals spent more time foraging over the shelf in ... summer and off shelf in autumn. During the study period commercial fishing in the area was not based upon ...
Meeting Document : WG-EMM-04/4 : Author(s): G.A. Daneri, A.R. Carlini, C.M. Hernandez and A. Harrington (Argentina)