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Beach debris survey – Main Bay, Bird Island, South Georgia, 2003/04
Abstract: During the fourteenth year of standardised beach surveys of man-made debris at Bird ... pieces), indicating that debris is still being lost by vessels into the marine environment. Therefore ... , all marine vessels operating in the region should continue to make efforts to comply with the correct ... 1.82 kg since last year to 5.39 kg. The highest proportion of marine debris collected comprised ...
Meeting Document : SC-CAMLR-XXIV/BG/15 : Autor(es): Delegation of the United Kingdom
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Trends in bird and seal populations as indicators of a system shift in the Southern Ocean
over the past 50 years in the southern Indian Ocean, the increase starting in mid 1960s and stabilizing ... a time lag of 2–9 years with temperatures, the population size of most seabirds and seals monitored ... Abstract: Although world oceans have been warming over the past 50 years, the impact on biotic ... in mid 1980s, being particularly important in the in the sub-Antarctic sector. At the same time with ...
Meeting Document : WG-EMM-03/53 : Autor(es): H. Weimerskirch, P. Inchausti, C. Guinet and C. Barbraud (France)
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Biotopic and spatial distribution of krill Euphausia superba Dana (Crustacea, Euphausiacea) length groupings in the Atlantic sector of Antarctic in summer 1984 and 1988
Abstract: Three basic length groupings of krill were identified with the clustering analysis on ... in summer 1984 and 1988. The large-length grouping is biotopically associated with the waters of the ... southern branch of the Antarctic Circumpolar Current (ACC). The middle-length grouping and the small-length ... grouping are associated with the Weddell Sea waters. Besides, the additional fourth grouping with bimodal ...
Meeting Document : WG-EMM-04/27 : Autor(es): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)
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Winter distribution of chinstrap penguins from two breeding sites in the South Shetland Islands of Antarctica
on King George Island (620 10’ S, 580 27’ W) were instrumented with satellite tags following their ... migrating eastward. Both of these penguins followed the Scotia Arc with the chinstrap penguin tagged in 2004 ... tracked to the vicinity of the South Orkney Islands where its signal was lost in April, a distance of 800 ... Islands until its signal was lost at 580 30’ S, 360 10’ W in late July, over 1300 km from its breeding ...
Meeting Document : WG-EMM-06/17 : Autor(es): W.Z. Trivelpiece, S. Buckelew, C. Reiss and S.G. Trivelpiece (USA)
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Report on fish by-catch on exploratory fishing in Divisions 58.4.1 and 58.4.2
eastern blocks where Macrourus CPUE also increased in the last 3 years. Macrourus CPUE was 23kg/1000 hooks ... everywhere. The ratio by-catch to target catch was higher in the eastern part of Division 58.4.1. The ratio ... in average with relatively little spatial variations except in the east were it could reach 180kg ... sp. and Antimora rostrata were females in every research blocks with spatial variations in total ...
Meeting Document : WG-FSA-18/28 : Autor(es): C. Péron, P. Yates, D. Maschette, C. Chazeau, P. Ziegler, D. Welsford, N. Gasco and G. Duhamel
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2004/05
Abstract: During the fifteenth year of standardised beach surveys of man-made debris at Bird ... stable with 4.1135kg collected this year, whilst 5.3957 kg was gathered in 2003/04. For the second ... than the previous recording period with only 23% of the total number of debris items being collected in ... miscellaneous debris is commensurate with 2003/04 (98.5%) but when actual quantities of debris are considered ...
Meeting Document : SC-CAMLR-XXV/BG/12 : Autor(es): Delegation of the United Kingdom
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Responding to climate change: Adélie penguins confront astronomical and ocean boundaries
that Adélies require both pack ice and some ambient light at all times of year. Over a 3-yr period ... Island, Ross Sea, the southernmost colonies for any penguin. We acquired data from 3-16 Geolocation ... averaged 12,760 km, with the longest being 17,600 km, and were in part facilitated by pack ice movement ... . Trip distances varied annually, but not by colony. Penguins rarely traveled north of the main sea ice ...
Meeting Document : WG-EMM-10/P11 : Autor(es): G. Ballard, V. Toniolo, D.G. Ainley, C.L. Parkinson, K.R. Arrigo and P.N. Trathan
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ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT
early closure of the fishery with only 58.9 t of the 75 t TAC of D. eleginoides taken; 2. The target ... tagging rate of 5 fish per tonne was exceeded by both vessels, with 344 D. eleginoides tagged and released ... in 2008/09, slightly under the target of 375 for the full 75 tonnes of catch; 3. There were 29 D ... some years; 6. Analysis of tagging and biometric data suggests that D. eleginoides at 48.4 have similar ...
Meeting Document : WG-FSA-09/17 : Autor(es): J. Roberts and D.J. Agnew (United Kingdom)
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using the Japanese fishery data
vertical migration of Antarctic krill (Euphausia superba) associated with the brightness categories of the ... during summer and early autumn, and deepened gradually from autumn and attained the maximum depth in ... winter over the Scotia Sea. However, it shifted to shallower in early spring, when krill began to feed on ... phytoplankton. Vertical range of trawling depth was narrower during spring and early autumn, but greater during ...
Meeting Document : WG-EMM-04/44 : Autor(es): K. Taki, T. Hayashi and M. Naganobu (Japan)
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BEACH DEBRIS SURVEY – MAIN BAY, BIRD ISLAND, SOUTH GEORGIA 1995/96
Abstract: The sixth year of surveys of beached man-made debris at Bird Island, South Georgia ... itself an 8-fold increase over any earlier value. Nylon line, identical with that attached to longline ... continuing high levels of man-made debris and the recent rapid increase in levels during summer, coinciding ... with increases in entanglement of Antarctic fur seals, is of growing concern. Furthermore, despite the ...
Meeting Document : CCAMLR-XVI/BG/4 : Autor(es): Delegation of the United Kingdom