Resultados de la búsqueda
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A simulation approach to the evaluation of recruitment surveys for D. eleginoides for the Heard Island Plateau region (Division 58.5.2)
the design is carried out in a simulation environment using the program Fish Heaven with data analysis ... carried out using Splus. Fish Heaven is a simulation program that uses a spatially-explicit, age ... . For a series of 10 years of survey, age 4 recruitment was estimated using 111 RSTS stations, assuming ... selectivity at age 4, using either (a) the age 4-alone RSTS results or (b) age 4 to 8 RSTS results using back ...
Meeting Document : WG-FSA-04/74 : Autor(es): S.G. Candy, C.R. Davies and A.J. Constable (Australia)
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A tale of two islands: contrasting fortunes for sub-Antarctic skuas at the Prince Edward Islands
-Antarctic islands, and can be used to monitor the health of burrowing petrel populations. A survey of skuas ... at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in ... (290 km 2) had a feral population of cats from the 1950s to 1980s, and still supports a large ... of breeding pairs at Prince Edward Island increased from 2001 to 2008, probably as a result of better ...
Meeting Document : WG-EMM-10/P03 : Autor(es): P.G. Ryan, P.A. Whittington and R.J.M. Crawford
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2006/07
the second highest on record with a total of 3431 t against a combined catch limit of 3579 t. The ... management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3-year ... there was a large overrun of the catch limit in the North region, the overall catch limit for Subarea ... truncation of the overall length frequency distribution, and no evidence for a reduction in fish length in ...
Meeting Document : WG-FSA-07/28 : Autor(es): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
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Non-native Species in the Antarctic: Report of a Workshop
Abstract: Worldwide, invasive alien species are contributing to a global biodiversity crisis. In ... Hyas araneus. It is no longer possible to regard Antarctica’s isolation and harsh climate as a natural ... activity, as well as a changing, more benign climate (particularly on the Antarctic Peninsula) mean that ... risks and begin to consider actions to address them, New Zealand hosted a workshop on non-native species ...
Meeting Document : SC-CAMLR-XXV/BG/21 : Autor(es): Delegation of New Zealand
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A case of giant squid attack on Antarctic toothfish Dissostichus mawsoni Norman, 1937 (Perciformes, Nototheniidae) caught on bottom-set longline in the Ross Sea
Ross Sea (East Antarctic) from the depth of 1480 m to the surface a very large squid taken a large ... individual of Antarctic toothfish D. mawsoni (Norman, 1937) with a size of 160 cm and weight of 58 kg caught ... by a longline hook, was hauled up to the board of longliner VOLNA. Squid was very active and did not ... (Robson, 1925). Author(s): Petrov, A.F. Title: A case of giant squid attack on Antarctic toothfish ...
Meeting Document : WG-FSA-06/P3 : Autor(es): Petrov, A.F.
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Workshop Report – The Ross Sea: Science, Policy and the Public in a Pristine Marine Ecosystemt
, and that its fauna, especially its notothenioid fish, now comprise a unique evolutionary radiation on ... will be the last stretch of ocean on Earth, perhaps within the current century, that will embrace a ... Hemisphere, including its a) geologic history, geophysical characteristics, and characterization of its ... iceberg scour events; and f) a paradoxical (in today’s world) low level of zooplankton abundance in the ...
Meeting Document : WG-EMM-09/14 : Autor(es): J. Weller and D.G. Ainley (USA)
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PROTECTING THE SOUTHERN OCEAN WHALE SANCTUARY: DEVELOPMENT OF A MANAGEMENT PLAN
Abstract: ASOC submitted a paper to the June meeting of the International Whaling Commission in ... bodies, should develop a Management Plan for the Southern Ocean Whale Sanctuary. This was made available ... context, ASOC notes that in August the IWC and CCAMLR Scientific Committees held a joint workshop to share ... scientific information and methodologies for modeling the Southern Ocean. ASOC hopes that this laid a good ...
Meeting Document : CCAMLR-XXVII/BG/29 : Autor(es): Submitted by ASOC
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Admiralty Bay (South Shetland Islands) as a model area for the long-term marine monitoring program – reasons and opportunities
ecological research (hundreds of papers in various disciplines published in a variety of scientific journals ... ). Admiralty Bay is an ideal and unique area to examine actual and further potential changes, and can be a ... model and possible indicator for the whole region. It would be a unique, comprehensive approach to these ... multidisciplinary character of the planned monitoring program. Author(s): A. Panasiuk-Chodnicka, M. Korczak ...
Meeting Document : WG-EMM-14/59 : Autor(es): A. Panasiuk-Chodnicka, M. Korczak-Abshire, M.I. Żmijewska, K. Chwedorzewska, E. Szymczak, D. Burska, D. Pryputniewicz-Flis and K. Łukawska-Matuszewska (Poland)
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An update of the ageing program for Patagonian toothfish (Dissostichus eleginoides) at the Australian Antarctic Division, including a summary of new data available for the Integrated Stock Assessment for the Heard Island and the McDonald Islands fishery (Division 58.5.2)
) otoliths from the Heard Island and McDonald Islands fishery. With the reinitiation of this program a number ... age. These changes have contributed to increased efficiency within the program, with a greater ... capacity for ageing and at a lower cost per otolith. Greatest efficiency gains have been made in the ... control and reporting procedures, which are now largely automated using R. A key part of quality assurance ...
Meeting Document : WG-FSA-14/45 : Autor(es): B.M. Farmer, E.J. Woodcock and D.C. Welsford (Australia)
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A review of tag-based stock assessments of the Antarctic toothfish Dissostichus mawsoni in Subarea 48.4
the Petersen estimation method to the use of the Chapman bias corrected estimator; a correction ... specifically developed to reduce estimation bias in populations with low recaptures, a feature typical of the ... data available for this species in 48.4. During a review of assessment methodology two main issues have ... rate population abundance, and the mis-identification of species at release. This paper presents a ...
Meeting Document : WG-FSA-15/44 : Autor(es): N. Walker, M. Soeffker, V. Laptikhovsky and T. Earl (United Kingdom)