Search results
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Further analysis of spatial patterns of benthic invertebrate habitats from fishery bycatch in the Ross Sea region
presence of VME taxa bycatch are identifiable, as are several areas of dense fishing effort with no ... evidence of VME taxa. Identifiable sponge and/or gorgonian habitats occurred at a typical scale of 10-30 km ... , but were at larger scales. Spatial analysis of these data allows the detectability of prevalent taxa ... to be estimated, along with changes in catch rate at different levels of observed bycatch. Results ...
Meeting Document : WG-FSA-10/30 : Author(s): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)
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Results of a research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... endorsed a proposal to carry out this work once the fishery had closed at the end of the 2011/12 season ... . The survey had two main objectives: (i) To establish the feasibility of developing a time series of ... longline surveys to monitor pre-recruit (<100 cm TL) toothfish in the south of SSRUs 881.J and 881.L in ...
Meeting Document : WG-SAM-12/29 : Author(s): S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)
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Results of a CCAMLR-sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... endorsed a proposal to carry out this work once the fishery had closed at the end of the 2011/12 season ... . The survey had two main objectives: (i) To establish the feasibility of developing a time series of ... longline surveys to monitor pre-recruit (<100 cm TL) toothfish in the south of SSRUs 881.J and 881.L in ...
Meeting Document : WG-FSA-12/41 : Author(s): S.M. Hanchet, S. Mormede, S. Parker, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)
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Plan of research program of the Ukraine in Subarea 48.2 in 2016 (second season)
research activities on the assessment of the stock state of the Dissostichus spp species in subarea 48.2 ... will be carried out within three years. Implementation of the tagging program in the long-term ... prospective will provide the indicators for the procedure of abundance assessment of the studied species in ... certain number of the following bottom long line surveys are proposed to be conducted during March-April ...
Meeting Document : WG-FSA-15/45 : Author(s): Delegation of Ukraine
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Estimation and correction of migration-related bias in the tag-based stock assessment of Patagonian toothfish in Division 58.5.2
Abstract: Migration has the potential to violate the assumptions of tag recapture models used in ... the assessment of toothfish stocks. Evaluating the potential bias introduced into stock assessments ... and tag-based biomass estimates when the distributions of tagged fish, fishing effort and the ... underlying stock distribution are spatially heterogeneous is currently one of the highest priorities of the ...
Meeting Document : WG-SAM-17/11 : Author(s): P. Burch, P. Ziegler, D. Welsford and C. Péron
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Notification for scientific research in 2019/20 under CM 24-01: Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2
Abstract: We propose to test three hypotheses to describe the reproductive ecology of Antarctic ... transport mechanism for subsequent advection patterns, all of which could be impacted by climate change ... only exists from the west of the region (SSRU 88.1B), yet adult Antarctic toothfish are found much ... further east and north of the CCAMLR Convention area, which is bounded by latitude 60°S. Obtaining a ...
Meeting Document : WG-SAM-18/09 : Author(s): Delegation of New Zealand
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Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2
Abstract: We propose to test three hypotheses to describe the reproductive ecology of Antarctic ... transport mechanism for subsequent advection patterns, all of which could be impacted by climate change ... only exists from the west of the region (SSRU 881B), yet adult Antarctic toothfish are found much ... further east and north of the CCAMLR Convention Area, which is bounded by latitude 60°S. Obtaining a ...
Meeting Document : WG-FSA-18/40 : Author(s): Delegation of New Zealand
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Models of tag shedding for double tagging as a function of time at liberty and approximate solutions for the single tagging model in CASAL
Abstract: The model of tag shedding implicit in CASAL is that of Kirkwood and Walker (KW) (1984 ... present to correctly apply the KW model for fish released with two tags. The solution of Dunn et al. (2005 ... ) and Hillary et al. (2006) to apply the square of the individual tag loss annual rate in CASAL over ... -estimates the correct proportion of fish that have retained at least one tag, and are therefore detectable ...
Meeting Document : WG-SAM-11/12 : Author(s): S.G. Candy (Australia)
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Fishes caught along with the Antarctic krill in the vicinity of the South Shetland Islands during the austral summer months of 1994
Abstract: Observations on abundance of by-catch fishes were made during the austral summer months ... of 1994 (from January 12 to February 18) on board F/V Niitaka Maru in the north of the South Shetland ... Islands. Among 99 net hauls examined, a total of 77 specimens of fishes belonging to 13 species were found ... also secondary abundant. To compare abundance of each fish species, the index of its occurrence in ...
Meeting Document : WG-Krill-94/25 : Author(s): T. Iwami (Japan)
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ADDRESSING UNCERTAINTY OVER THE IMPORTANCE OF ANTARCTIC TOOTHFISH AS PREY OF SEALS AND WHALES IN THE SOUTHERN ROSS SEA: A REVIEW
Abstract: An uncertainty heretofore has existed over the importance of Antarctic toothfish ... (Dissostichus mawsoni) as prey of top predators in the Ross Sea. We reviewed the literature to assess the ... relative weight that should be given to direct, observational evidence of predator diet composition, as ... opposed to indirect evidence from scat and biochemical analysis. As a result of this assessment, it is ...
Meeting Document : WG-EMM-08/22 : Author(s): D. Ainley and D. Siniff (USA)