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Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
Abstract: A survey of Patagonian toothfish, Dissostichus eleginoides, was undertaken in Division ... 58.5.2 in the vicinity of Heard Island in May 2002 to provide the information for an assessment of long ... -term annual yield in the 2002/2003 CCAMLR season and beyond. This paper provides a preliminary ... estimate of biomass of juvenile Patagonian toothfish in the vicinity of Heard Island was similar to the ...
Meeting Document : WG-FSA-02/70 : Автор(ы): A.J. Constable, R. Williams and T. Lamb (Australia)
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Revision of biological and population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a comprehensive survey of fishing grounds and recruitment areas in the region
Abstract: Based on a survey of Dissostichus eleginoides in the Heard Island region in April 1999 ... and information from an observer program on the commercial fishery begun in 1997, this paper aims (i ... ) to provide an assessment of biomass and stock structure in the vicinity of Heard, (ii) to examine the ... of Dissostichus eleginoides at Heard Island in the southern Indian Ocean and South Georgia Island in ...
Meeting Document : WG-FSA-99/68 : Автор(ы): A.J. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands 1997/98
seals wearing neck collars of man-made debris, half the number reported in 1996/97. All of the animals ... number of fur seals in total that came ashore during the season. Data are compared with results from a ... parallel study undertaken at Bird Island, South Georgia in 1997/98 where the number of reported ... had increased in occurrence since the previous season. The percentage of entanglements in packaging ...
Meeting Document : SC-CAMLR-XVII/BG/12 : Автор(ы): Delegation of the United Kingdom
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Major fishery events in Kerguelen Islands: Notothenia rossii, Champsocephalus gunnari, Dissostichus eleginoides – current distribution and status of stocks
fishing fleet of the fishing grounds in the early 1970’s. The fishery shifted to icefish (Champsocephalus ... banks resulted in the sharp decline in the catches of marbled notothenia. The creation of the French EEZ ... in 1978 closed the free fishery but did not stop the reduction of the biomass of exploited stocks ... . The SKALP first surveys (1987 and 1988), despite bias in the protocols, revealed the poor state of ...
Meeting Document : WS-MPA-11/P04 : Автор(ы): G. Duhamel, P, Pruvost, M. Bertignac, N. Gasco and M. Hautecoeur
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Focal areas for marine biodiversity protection in KwaZulu-Natal, South Africa. Marine Systematic Conservation Plan Analyses (SeaPLAN): Summary of Results 2011
we developed a multi-resolution marine conservation planning approach and tested the method in the ... spatially nested system of planning units, ranking in resolution from 0.2 km to 10 km, was designed to ... also allows the smooth integration of a continuum of data ranking in resolution from a meter (i.e ... in South Africa to national policy, regional planning frameworks, and local implementation Marine ...
Meeting Document : WS-MPA-11/12 : Автор(ы): T. Livingstone, J. Harris, M. Lombard and E. Lagabrielle (South Africa)
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Results of phase I of the Russian research program for toothfish fishery in Subarea 88.3 during the 2010/11 season
Abstract: In accordance with decision of SC-CCAMLR in 2010, the Russian Federation conducted ... research fishery on toothfish in Subarea 88.3 in the season 2010/11. The researches were carried out ... onboard longliner Sparta (company “Morskoi Voron”). In total, 20 trotline sets at different depths have ... D of Subarea 88.3. In SSRU A longlines were not investigated because ice conditions were difficult ...
Meeting Document : WG-FSA-11/36 : Автор(ы): Delegation of Russia
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Length composition, sex ratio, and pre-spawning migration of Dissostichus eleginoides in Subarea 48.3 during 1995
in 1994/95 took place in two major fishing grounds, West of Shag Rocks (Wshag) and North-West of ... South Georgia (NWSG). In March there was a high proportion of large females at Wshag (72%) but a nearly ... Wshag in April reduced the mean length in the catch and increased CPUE (numbers of fish per hook ... ), although sex ratio remained biassed in favour of females. Similar changes in mean length and CPUE were not ...
Meeting Document : WG-FSA-95/27 Rev. 1 : Автор(ы): Agnew, D.J.
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CLIMATICALLY DRIVEN FLUCTUATIONS IN SOUTHERN OCEAN ECOSYSTEMS
role of physical and biological processes in generating fluctuations in the ecosystem around South ... Georgia in the South Atlantic sector of the Southern Ocean. Anomalies in sea surface temperature (SST) in ... changes in SST, and related fluctuations in winter sea ice extent, affect the recruitment and dispersal of ... Antarctic krill. This oceanographically driven variation in krill population dynamics and abundance in turn ...
Meeting Document : WG-EMM-08/P02 : Автор(ы): E.J. Murphy, P.N. Trathan, J.L. Watkins, K. Reid, M.P. Meredith, J. Forcada, S.E. Thorpe, N.M. Johnston and P. Rothery
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Trophic interactions and population trends of killer whales (Orcinus orca) in the southern Ross Sea
Abstract: Foraging events and related trends in numbers of Type-B and-C killer whales (Orcinus ... Sea killer whales (Type-C; RSKWs), a fishing-eating ecotype, has continued to decrease in a pattern ... coincident with a decrease in the number and size of an important prey: Antarctic toothfish (Dissostichus ... -eating killer whales and large Chinook salmon (Oncorhynchus tshawytscha) in the northeast Pacific. In ...
Meeting Document : WG-FSA-12/P03 : Автор(ы): D.G. Ainley and G. Ballard
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A preliminary stock assessment in SSRUS 486A, G: A Bayesian and CPUE based biomass dynamic model
contribution to estimate abundance in a simple biomass dynamic model for both species of toothfish in northern ... sets in which both species are present, and thus, an analysis of catch intention was implemented by ... analysed in terms number of tagged and recovered individuals, and tag size-overlap. Catch reported and ... dynamic model in Bayesian framework using standardised CPUE and catches (considering assumed IUU) was ...
Meeting Document : WG-SAM-13/29 : Автор(ы): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)
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