Search results
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 1996 winter and 1996/97 pup-rearing season
entangling materials, with the abundance of string and fishing net reversed from most previous years. In ... level of entanglements in summer is encouraging. The increase in winter records, however, is ... ): Delegation of the United Kingdom Title: Entanglement of Antarctic fur seals (Arctocephalus gazella) in man ... Abstract: The results of the survey of entanglement of Antarctic fur seals at Bird Island, South ...
Meeting Document : SC-CAMLR-XVI/BG/06 : Author(s): Delegation of the United Kingdom
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Proposal for a CCAMLR-sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea
estimate of the fisheries potential yield. However, one source of ongoing uncertainty in the stock ... TL) toothfish in the south of SSRUs 881.J and 881.L in the southern Ross Sea using standardised gear ... monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea Approval: Approved ... years in Subarea 88.1 and for nine years in Subarea 88.2. The research and assessment work in these ...
Meeting Document : SC-CAMLR-XXX/07 : Author(s): Delegation of New Zealand
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2010–11
1997–98 to 2010–11. During the 2010–11 fishing year most of the catch in Subarea 88.1 came from the ... slope SSRUs 88.1H and 88.1I, and SSRU 88.1K. About 63% of the catch limit in the north was taken from ... time in each of the fisheries showing no trend. There is no evidence of any truncation of the overall ... ) Title: A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2010–11 ...
Meeting Document : WG-FSA-11/45 : Author(s): M.L. Stevenson, S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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Foraging response of Antarctic fur seals to changes in the marine environment
1964 d at sea. The frequencies of krill, fish and squid in the diet were estimated from prey items ... physical factors were also important in explaining the seasonal pattern of fur seal foraging behaviour ... response of Antarctic fur seals to changes in the marine environment Approval: Approved ... Abstract: This study examined the relative contribution of environmental variation and the ...
Meeting Document : WG-EMM-99/35 : Author(s): D.J. McCafferty, I.L. Boyd, T.R. Walker and R.I. Taylor (United Kingdom)
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Preliminary standardised CPUE analysis of the New Zealand toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02
analysis, variables area, season, length of line, soaktime, latitude and month in season entered the model ... , in order. This model explained 32% of the data variability, but was influenced by exploratory fishing ... and type of set (research or exploratory) entered the model, in order. This model explained 34% of the ... (New Zealand) Title: Preliminary standardised CPUE analysis of the New Zealand toothfish fishery in ...
Meeting Document : WG-FSA-02/41 : Author(s): R.G. Blackwell and S.M. Hanchet (New Zealand)
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DEVELOPMENT OF SPATIALLY EXPLICIT AGE-STRUCTURED POPULATION DYNAMICS OPERATING MODELS FOR ANTARCTIC TOOTHFISH IN THE ROSS SEA
distribution of Antarctic toothfish, suggesting that younger fish were found predominantly in the southern ... conflict with assumptions of known abundance in the model and the abundance information inherent in the tag ... operating models for Antarctic toothfish in the Ross Sea. The operating models consider both a coarse-scale ... other factors to quantify risk and uncertainties for management of the Ross Sea Antarctic toothfish ...
Meeting Document : WG-SAM-09/18 : Author(s): A. Dunn, S. Rasmussen and S. Hanchet (New Zealand)
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Descriptive analysis of mesopelagic backscatter from acoustic data collected in the Ross Sea
quantify spatial and vertical distribution of acoustic backscatter in the upper 1000 m of the water column ... . There were clear spatial patterns in the amount and type of mesopelagic backscatter observed. There was ... much more backscatter in the upper 1000 m and a wider variety of mark types north of 67° S. Common mark ... shelf edge. In general, the amount of backscatter observed in the Ross Sea was much lower than that ...
Meeting Document : WG-EMM-06/11 : Author(s): R.L. O’Driscoll (New Zealand)
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Long term variability in the diet and reproductive performance of penguins at Bird Island, South Georgia
present in 89 % of samples and were the main prey (> 50 % by mass) in 10 years of the study. Antarctic ... frequently recorded species, in 51 % and 33 % of samples respectively. The energy or mass of krill in the ... , H.J. Peat and P.N. Trathan Title: Long term variability in the diet and reproductive performance of ... krill Euphausia superba were present in 85 % of all diet samples. Fish were present in 79 % of samples ...
Meeting Document : WG-EMM-17/P02 : Author(s): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan
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ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA IN MAN-MADE DEBRIS AT BIRD ISLAND, SOUTH GEORGIA DURING THE 2007 WINTER AND 2007/08 BREEDING SEASON
proportion of entanglements were in sections of fishing net (40%). Packing bands were the second most ... abundant entangling material in both summer (38%) and winter (25%). The majority of entanglements (78 ... the winter period showed a decrease in the number of entanglements compared to the high levels during ... summer period showed a small rise in the number of entanglements compared with the previous season, but ...
Meeting Document : WG-FSA-08/27 : Author(s): E.W.J. Edwards (UK)
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Escapement of elephant seal prey in the Heard Island fishery for Dissostichus eleginoides
fishery for toothfish in Division 58.5.2 might have on the abundance of the age classes of toothfish ... reliably and related to a specific size class of fish. However, it seems that toothfish in the age range of ... evaluation of escapement of young fish (ages 2-6 years old) under the current catch limit of 3800 tonnes in ... Mare, W.K., Williams, R. Title: Escapement of elephant seal prey in the Heard Island fishery for ...
Meeting Document : WG-EMM-97/42 : Author(s): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.