Search results
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An attempt to derive a composite index of abundance from acoustic surveys and fishery data
Abstract: Maps of krill (Euphausia superba) density derived from acoustic survey data and the ... distribution of fishing effort in the Chilean krill fishery indicate an area of high krill density wrapping ... around the northwestern end of Elephant Island during the austral summer of 1992. In this area, the ... distribution of catch-per-fishing-time and krill density (measured acoustically) show similar forms. Search ...
Meeting Document : WG-Krill-94/14 : Author(s): R.P. Hewitt (USA), V. Marín (Chile) and D. Demer (USA)
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Cephalopod diet of the southern elephant seal (Mirounga leonina) at King George Island, South Shetland Islands
Abstract: In the austral summer of 1995/96, 25 southern elephant seals, Mirounga leonina, were ... present in 72% of the individuals sampled (n=18). Seven species of squid and 3 of octopus were identified ... . Overall, the squid species Psychroteuthis glacialis was by far the most important prey in terms of numbers ... (77%), biomass (80.8%) and frequency of occurrence (94.4%). Next in importance in terms of mass in the ...
Meeting Document : WG-EMM-99/13 : Author(s): G.A. Daneri, A.R. Carlini (Argentina) and P.G.K. Rodhouse (United Kingdom)
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Proposal for an extension to the mark-recapture experiment to estimate toothfish population size in the South of Subarea 48.4
Abstract: A three‐year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of providing the data required for assessments of the population structure ... , size, movement and growth of both Dissostichus eleginoides and Dissostichus mawsoni in the South of ... 48.4; A total of 186 D. eleginoides and 202 D. mawsoni were tagged and released in 2010, leaving a ...
Meeting Document : WG-FSA-10/40 : Author(s): J. Roberts and D. Agnew (UK)
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Age validation of juvenile Notothenia rossii at Potter Cove, South Shetland Islands, using mark-recapture data
Abstract: Among all validation methods of age determination in fish, release of known age and ... principle of annual deposition of an annulus in scales and otoliths. Of 132 juvenile specimens (TL = 22.1 ... after periods of 1–13 months. In scales of five specimens recovered after 10–13 months, one extra ... annulus was laid down, exhibiting an additional winter zone of closely spaced sclerites. Consistently, the ...
Meeting Document : WG-FSA-13/P01 : Author(s): E. Moreira, E. Barrera-Oro and M. La Mesa
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Larval development and spawning ecology of euphausiids in the Ross Sea and its adjacent waters in 2004/05
Abstract: The horizontal and vertical distributions of larvae and reproductive timing of ... . Occurrences of larvae of Euphausia frigida and E. triacantha were confined to the northern oceanic area where ... distribution further southward to the area where cooler Lower Circumpolar Deep Water prevailed. Larvae of ... juvenile or adult stages. Eggs and larvae of E. superba occurred with gravid females along the slope, but ...
Meeting Document : WG-EMM-10/P06 : Author(s): K. Taki, T. Yabuki, Y. Noiri, T. Hayashi and M. Naganobu
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 2000 winter and the 2000/01 breeding season
Abstract: Results of the survey of entanglements of Antarctic fur seals at Bird Island, South ... reported here. The number of entanglements showed an increase from recent years, with 20 entanglements ... entanglements over the 2000 winter than in 1999; some of which can be explained by interannual variation in the ... injuries accounted for 35% of entanglements over winter and 23% during the summer. As in previous years ...
Meeting Document : SC-CAMLR-XX/BG/03 : Author(s): Delegation of the United Kingdom
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CCAMLR Scheme of International Scientific Observation (SISO)
The CCAMLR Scheme of International Scientific Observation was adopted in 1992 under Article XXIV ... of the Convention. It is one of the most important sources of scientific information that is ... essential for assessing the impact of fishing on the ecosystem, including the status of target populations ... , as well as those of related and dependent species. The scheme also plays a crucial role in developing ...
Page : Site Section: Science
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Population assessment of Patagonian toothfish in Subarea 48.4 – 2011 update
Abstract: In this paper we update the assessment of D. eleginoides in the northern half of ... catch at age model generates a yield of 52 tonnes based on CCAMLR decision rules. In 2006 the northern ... subdivision of 48.4 was set north of Saunders Island after consideration of oceanographic and bathymetric data ... , and for the purpose of the experimental work leading to a stock assessment. Data collected in the ...
Meeting Document : WG-FSA-11/38 : Author(s): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)
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Informing and seeking advice from WG-SAM-18 about the revisions of the WSMPA proposal
Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... of SAM or might be of interest to participants at SAM 2018: Unifying the previously two separate ... WSMPA parts into one coherent WSMPA by closing the gap on the eastern coast of the Antarctic Peninsula ... ; Adjustment of the habitat of adult Antarctic toothfish in statistical areas 48.6 and 48.5 as a result of ...
Meeting Document : WG-SAM-18/16 : Author(s): S. Hain, K. Teschke, H. Pehlke and T. Brey
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Informing and seeking advice from WS-SM 2018 about the revisions of the WSMPA proposal
Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... under the remit of, or might be of interest to participants at the WS-SM 2018: Unifying the previously ... two separate WSMPA parts into one coherent WSMPA by closing the gap on the eastern coast of the ... Antarctic Peninsula; Adjustment of the habitat of adult Antarctic toothfish in statistical areas 48.6 and ...
Meeting Document : WS-SM-18/08 : Author(s): S. Hain, K. Teschke, H. Pehlke and T. Brey