Search results
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Defining predator foraging ranges, illustrated using Adélie penguin foraging tracks from Mawson coast
likely to be foraged by predators from one year to the next, i.e. what is a predator’s feeding range ... effort and this is used to delineate a feeding ground for Adélie penguins on the Mawson coast in eastern ... colonies, years, and species to define individual species and pooled foraging ranges. The establishment ... to be foraged by predators from one year to the next, i.e. what is a predator’s feeding range taking ...
Meeting Document : WG-EMM-02/41 : Author(s): I.R. Ball, A.J. Constable, J. Clarke and L. Emmerson (Australia)
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An examination of variance and sample size for female Antarctic fur seal trip durations
of sample size in detecting differences between two years of fur seal trip duration data. Female foraging ... in detecting differences between two years of fur seal trip duration data. Female foraging trip duration ... trip duration for the first six trips to sea for 1997/98 (n = 30) and 1998/99 (n = 31) at Cape Shirreff ... , Livingston Island was used to calculate minimum sample sizes necessary to detect differences from year ...
Meeting Document : WG-EMM-99/45 : Author(s): M.E. Goebel (USA)
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The age structure and growth rate of Patagonian toothfish (Dissostichus eleginoides) at South Georgia
for the separation of early year classes is presented along with mean sizes for each age class. Age length keys ... for the separation of early year classes is presented along with mean sizes for each age class. Age length keys ... indicate that fish enter the fishery at 7 years and are fully recruited at between 10 and 11 years. Author ... indicate that fish enter the fishery at 7 years and are fully recruited at between 10 and 11 years. ...
Meeting Document : WG-FSA-04/86 : Author(s): M. Belchier (United Kingdom)
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Breeding biology of Adélie penguin (Pygoscelis adeliae) at Edmonson Point CEMP site (Ross Sea, Antarctica): report of the first five years
for the fifth year. The study site was located in the Adélie penguin (Pygoscelis adeliae) colony of Edmonson ... was studied in terms of colony layout, breeding chronology, foraging trip duration, feeding localities ... of the first five years Approval: Approved ... year. The study site was located in the Adélie penguin (Pygoscelis adeliae) colony of Edmonson Point ...
Meeting Document : WG-EMM-99/60 : Author(s): S. Olmastroni, S. Corsolini, F. Pezzo, S. Focardi (Italy) and K. Kerry (Australia)
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Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015
early in the fishing season (January/February), using two different krill fishing vessels as platforms ... , but the frequencies operated varied between vessels and years. In addition, the survey coverage has varied between ... years in particular due to ice. In order to allow for comparison of distribution and abundance of krill ... near the South Orkneys among years, we here attempt to generate a coherent series of krill density ...
Meeting Document : WG-EMM-15/54 : Author(s): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)
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Unusual breeding by seabirds at Marion Island during 1997/98
recorded, and more southern giant petrels M. giganteus did so than in any other year since 1994 ... . For southern giant petrels, reproductive success was higher than in any other year, as was survival of chicks ... breeding season. Gentoo penguins initiated breeding later than usual and fledged few chicks. The number ... of rockhopper penguins fledged with a slightly heavier mass than in other years. However, for both ...
Meeting Document : WG-EMM-03/13 : Author(s): R.J.M. Crawford, C.M. Duncombe Rae, D.C. Nel and J. Cooper (South Africa)
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Survey estimates of recruitment of toothfish in Subarea 48.3
data used by the Working Group for toothfish assessments in 1999 and later were correct. We found ... by the Working Group for toothfish assessments in 1999 and later were correct. We found several unexplainable ...
Meeting Document : WG-FSA-SAM-04/16 : Author(s): Collins, M., Wakeford, R.C., Moir-Clark, J., Belchier, M., Agnew, D.J.
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Distribution, morphology, growth, reproduction, diet and trophic position of two species of grenadier (Macrourus whitsoni and M. caml) in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2)
; M. whitsoni approaches full size at about 10–15 years of age and can live to at least 27 years; in M. caml ... , full size is attained at about 15–20 years of age and they can live in excess of 60 years. However ... –January, and with the main part of the spawning occuring later than February. Gonad stage data did ... ; M. whitsoni approaches full size at about 10–15 years of age and can live to at least 27 years ...
Meeting Document : WG-FSA-12/54 Rev. 1 : Author(s): M.H. Pinkerton, P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown (New Zealand)
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Information about methods for finding lost longlines
Abstract: The experience of the use of methods by Ukrainian vessels to search for lost longliness ... methods for finding lost longlines Approval: Approved Secretariat Workflow Status: Content Approved ... The experience of the use of methods by Ukrainian vessels to search for lost longliness ... Information about methods for finding lost longlines ...
Meeting Document : WG-SAM-2019/23 : Author(s): P. Zabroda and L. Pshenichnov
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Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1999–2000
Abstract: This paper summarises seabird bycatch during the fourth year (July 1999-June 2000 ... sanctioned fishing trips. Fishing effort was 7.4 million hooks, a 45% increase on the number of hooks set ... aequinoctialis predominated (92.2%), followed by Eastern Yellow-nosed Mollymawks Thalassarche [chlororhynchos ... trips ranged from 0.000 to 0.142 birds killed per 1 000 hooks. Birds were killed on 7.7% of sets ...
Meeting Document : WG-FSA-00/30 : Author(s): P. Ryan and B. Watkins (South Africa)