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Alternative assessment methods for toothfish at South Georgia
first is that the CPUE in the early 1990s did not decline as would be expected as the resource was ... would be predicted by the model. Thirdly, all models predict a continuing decline, not the increase in ... initial lack of early decline, the abrupt decline between 1995 and 1996 and the subsequent increase in ... biomass in 2002 was between 78,000 and 114,000 t. Author(s): Kirkwood, G., Payne, A., Agnew, D. Title ...
Meeting Document : WG-FSA-SAM-04/17 : Автор(ы): Kirkwood, G., Payne, A., Agnew, D.
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Considerations on the design and evaluation of surveys for estimating recruitment of Patagonian toothfish (Dissostichus eleginoides) with preliminary outcomes for the Heard Island plateau region (Division 58.5.2)
levels of confidence in the estimates of abundance for all but the youngest year class. It is recommended ... management procedure for D.eleginoides in Division 58.5.2 in order to determine the potential implications ... in the context of the elements of the current monitoring and assessment methods is outlined. Author(s ...
Meeting Document : WG-FSA-SAM-04/19 : Автор(ы): Candy, S., Constable, A.J., Davies, C.R.
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Testing early life connectivity using otolith chemistry and particle-tracking simulations
compared the chemistry with simulated particle transport using a circulation model. Material laid down in ... nests, are transported in the southern ACC, missing South Georgia but following trajectories along the ... stages in the water column substantially influence the direction and extent of connectivity. Used in ...
Meeting Document : WG-FSA-10/P02 : Автор(ы): J. Ashford, M. La Mesa, B.A. Fach, C. Jones and I. Everson
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A comparison of gear selectivity among three fishing gears for Antarctic krill with notes on the demographic patterns and productivity of Antarctic krill during summer 2014
summer 2014 were about 42 mm in length (3yrs old), and few small (<25mm) krill (1 year old) were ... showed that krill collected in Bransfield Strait and Elephant Island areas of the South Shetlands in ... captured. The majority of krill were mature and in spawning condition. Author(s): C. Reiss (USA) and M ...
Meeting Document : WG-EMM-14/37 : Автор(ы): C. Reiss (USA) and M. Espino Sanchez (Peru)
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Отчет о работе по подготовке научной основы в поддержку разработки МОР АНТКОМ в море Уэдделла (Антарктика)
document SC-CAMLR-XXXIII/BG/02. The document (in its final version) provides the scientific basis for the ... evaluation of marine protected areas (MPAs) in the Weddell Sea. At present the background document presents a ... scientific basis in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) Approval ...
Meeting Document : SC-CAMLR-XXXIII/08 : Автор(ы): Delegation of Germany
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Quantifying the escape mortality of trawl caught Antarctic krill (Euphausia superba)
fishing gear. The methods for determining fishing mortality in krill are still poorly developed. We used a ... covered codend sampling technique followed by onboard observations made in holding tanks to monitor ... mortality of krill escaping the trawl nets in our study was 4.4 ± 4.4 %, suggesting that krill are fairly ... tolerant of the capture-and-escape process in trawls. Author(s): B.A. Krafft, L.A. Krag, A. Engås, S ...
Meeting Document : WG-EMM-16/04 : Автор(ы): B.A. Krafft, L.A. Krag, A. Engås, S. Nordrum, I. Bruheim and B. Herrmann
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Population trends and reproductive success at a frequently visited penguin colony on the western Antarctic Peninsula
frequently visited locations, is at the epicenter of a rapid shift in which an Adélie penguin dominated fauna ... with larger trends in this region, the Adélie penguin population decreased by 29% and the gentoo ... Petermann Island. Whereas gentoo penguin reproductive success was lowest in colonies frequently visited by ... visited only occasionally. These results are placed in the context of other studies on reproductive ...
Meeting Document : WG-EMM-16/P07 : Автор(ы): H.J. Lynch, W.F. Fagan and R. Naveen
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Density and biomass of Antarctic krill around South Shetland Islands using by 2-dB difference method
aggregations in the Elephant Island peripheries and south of South Shetland Islands were higher than those in ... the west of the South Shetland Islands. The mean length/height ratio of krill aggregations in the west ... of the South Shetland Islands (64.5) was higher than that in the south (35.9) and the Elephant Island ...
Meeting Document : SG-ASAM-17/04 : Автор(ы): S.-G. Choi, K. Lee and D. An
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Computer program for the calculation and validation of Verhoeff check digits
type of errors in data for analysis are minimised. Accurate recording of the sequence numbers on tags ... the tag sequence number, can assist in the identification of errors in recorded data. A computer ...
Meeting Document : WG-FSA-SAM-05/11 : Автор(ы): A. Dunn (New Zealand)
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Proposed CCAMLR educational package
aged approximately 10 to 16, focusing on CCAMLR and its role in the Antarctic. This package would ... CCAMLR website and could also be available in hard copy for distribution by post. It would be produced in ...
Meeting Document : CCAMLR-XXII/11 : Автор(ы): Secretariat
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