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Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean
), 38 of which could be individually identified by resighting their tag numbers. The majority of the MI ... . The attendance rate of the known individuals at their natal island during the annual moult was only 40 ... PEI, and 80 ± 4% for the simulation. Seasonal and annual absences of seals from MI violate the ... ‘homogeneity of capture’ assumption of mark–recapture models. When multiple sightings during any year are ...
Meeting Document : WG-EMM-10/P16 : Автор(ы): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr
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Antarctic fur seal population dynamics update and assessment of census error at SSSI No. 32, Livingston Island, South Shetlands, Antarctica (2000/2001)
of Antarctic fur seals, Arctocephalus gazella, in the South Shetland Archipelago. Since all censuses ... up to date have been single counts and do not allow the calculation of confidence limits, a protocol ... was developed for assessing uncertainties in the estimates of the counts (inter and intra-observer ... -1,74%CV, while inter-observer error was within 3% of the overall mean. The relationship between census ...
Meeting Document : WG-EMM-01/49 : Автор(ы): R. Hucke-Gaete (Chile)
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Changes in the diet of the South Georgia shag Phalacrocorax georgianus at the South Orkney Islands along four consecutive years
Abstract: The diet of the South Georgia Shag Phalacrocorax georgianus at Laurie Island, South ... Orkney Islands, was studied by the analysis of 337 pellets (regurgitated casts) collected during the 1995 ... prey in all of the seasons and predominated in mass in 1995 and 1996, followed by Notothenia coriiceps ... also for the South Orkney Islands in previous studies. These differences could be due to the use of ...
Meeting Document : WG-EMM-00/8 : Автор(ы): R. Casaux and A. Ramón (Argentina)
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Depth distribution and spawning pattern of Dissostichus eleginoides over the winter period in Subarea 48.3
Abstract: Trends in mean length and maturity stage of toothfish were examined using observer data ... statistically significant pattern of changing mean length at depth with month was found in both 1997 and 1998 ... seasons, suggesting movement of animals both up and down slope at particular times of year. Months with a ... . Examination of maturity data suggests that in addition to a major spawning event in late July/August, there ...
Meeting Document : WG-FSA-98/58 : Автор(ы): D.J. Agnew, K. Kerkieta, L. Heaps, C. Jones, J. Pearce and A. Watson (United Kingdom)
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ANALYSIS OF VME DATA COLLECTED BY UK VESSELS FISHING IN THE ROSS SEA DURING THE 2008/09 CCAMLR SEASON
Abstract: Analysis of VME data collected in 2008/09 by UK vessels and national and international ... observers onboard was carried out to explore evidence of VMEs in the Ross Sea. 2008/09 data corroborated ... areas in 88.1I, E and F identified in our previous analysis of data collected by observers on UK vessels ... meaning of our historical CPUE data. Although a positive (exponential) association was apparent between ...
Meeting Document : WS-VME-09/05 : Автор(ы): Peatman, T., Mitchell, R.E., Pearce, J., Agnew, D.J.
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Relationships between oceanographic environment and distribution of krill and baleen whales in the Ross Sea and adjacent waters, Antarctica in 2004/05
geographical distribution of the main biological prey and predator populations such as krill including other ... below are MTEM-200 values).- Antarctic krill mainly distributed in the waters between 0 to-1℃ of MTEM ... extended in the waters less than-1℃ of the Shelf Water (SW) zone. Ice krill distributed in the waters ... a high density around 0℃ near the Southern Boundary of ACC. Antarctic minke whales mainly ...
Meeting Document : WG-EMM-08/31 : Автор(ы): M. Naganobu, S. Nishiwaki, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, Y. Watanabe, T. Yabuki, Y. Yoda, Y. Noiri, M. Kuga, K. Yoshikawa, N. Kokubun, H. Murase, K. Matsuoka, T. Iwami and K. Ito (Japan)
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NET-BASED VERIFICATION OF ACOUSTIC TECHNIQUES USED TO IDENTIFY ANTARCTIC KRILL
at 200 and 120 kHz (Sv200-120). We considered the performance of 4 different acoustic target ... model derived target id window only identified krill in 6 of the 16 nets correctly. The ‘2 freq 2-16 ... ’ algorithm attributed more than 90 % of the total backscatter to krill in all but 1 aggregation with the ‘2 ... freq model’ using a smaller window but still attributing more than 90 % of the total backscatter to ...
Meeting Document : WG-EMM-08/54 : Автор(ы): J. Watkins and S. Fielding (United Kingdom)
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LIFE HISTORY BUFFERING IN ANTARCTIC MAMMALS AND BIRDS AGAINST CHANGING PATTERNS OF CLIMATE AND ENVIRONMENTAL VARIATION
Abstract: The consequences of warming for Antarctic long-lived organisms depend on their ability ... to survive changing patterns of climate and environmental variation. Among birds and mammals of ... and Weddell seals, we found strong support for selection of life history traits that reduce ... survival of adults and in their propensity to breed annually, which are the vital rates that influence most ...
Meeting Document : WG-EMM-08/P05 : Автор(ы): J. Forcada, P.N. Trathan and E.J. Murphy
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Records of entangled birds at Marion Island 1986 to 1995
Abstract: Six records of entanglements of six species of birds from 1986 to 1994 at sub-Antarctic ... ): Delegation of South Africa Title: Records of entangled birds at Marion Island 1986 to 1995 Approval ...
Meeting Document : SC-CAMLR-XIV/BG/18 : Автор(ы): Delegation of South Africa
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Recent population estimates and trends in numbers of albatrosses and giant petrels breeding at the sub-Antarctic Prince Edward Islands
Abstract: The second mid-summer survey of surface-nesting seabirds at the Prince Edward Island ... Edward Island, mirroring a decrease of roughly 2% per year at Marion Island from 1998 to 2005, a decline ... that has since reversed. Numbers of grey-headed albatrosses Thalassarche chrysostoma on Marion Island ... (3% per year). The estimate of Indian yellow-nosed albatrosses T. carteri at Prince Edward Island was ...
Meeting Document : WG-EMM-10/P04 : Автор(ы): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford
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