Search results
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The SCAR Antarctic digital topographic database
coastline now available. The topographic database created, to be published on one CD-ROM, will form ... available. The topographic database created, to be published on one CD-ROM, will form the foundation ... of the Scientific Committee on Antarctic Research (SCAR), during a two-year period. Over 200 maps, at scales ranging ... Committee on Antarctic Research (SCAR), during a two-year period. Over 200 maps, at scales ranging from ...
Meeting Document : SC-CAMLR-XII/BG/16 : Author(s): Delegation of United Kingdom
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Potential modelling structures for a two-area stock assessment model for Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea Region
additional age and tag data have been collected in SSRUs 88.2C–H as part of the two-year research plan ... showed that a two-area model with sex- and age-specific migrations from SSRUs 88.2C-G to SSRU 88.2H ... ;G in the future. Results showed that a two-area model with sex- and age-specific migrations from SSRUs 88.2C ... on tag recaptures and age composition. Although the hypothesised stock structure spans SSRUs 88.2C ...
Meeting Document : WG-SAM-15/49 : Author(s): S. Mormede, S.J. Parker, A. Dunn and S.M. Hanchet (New Zealand)
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Recommendations on estimating krill escape mortality during fishing operations: the problems and approaches
assigned by Scientific Committee requires assessment of the total krill passed through the rope and netting ... by Scientific Committee requires assessment of the total krill passed through the rope and netting parts ...
Meeting Document : WG-SAM-10/06 : Author(s): V.K. Korotkov and S.M. Kasatkina (Russia)
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COMMITTEE FOR ENVIRONMENTAL PROTECTION: ANNUAL REPORT TO THE SCIENTIFIC COMMITTEE OF CCAMLR
Protection has been steadily increasing over the last few years to the mutual benefit of both bodies ... the reporting requirements between the two committees. Author(s): CEP Observer Title: COMMITTEE ... been steadily increasing over the last few years to the mutual benefit of both bodies. This has been ... , and - Clarify the reporting requirements between the two committees. ...
Meeting Document : SC-CAMLR-XXVIII/BG/16 : Author(s): CEP Observer
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Variants of the ASPM assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity which attempt to reconcile CPUE and catch-at-length data
are examined. One allows for the possibility of changes in somatic growth rate in response to increased food ... . One allows for the possibility of changes in somatic growth rate in response to increased food ... Abstract: Two variants of the ASPM assessment of the Prince Edward Islands toothfish resource ... Two variants of the ASPM assessment of the Prince Edward Islands toothfish resource are examined ...
Meeting Document : WG-FSA-SAM-04/12 : Author(s): Brandão, A., Butterworth, D.S.
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The Ross Sea cephalopod community: insights from stable isotope analysis
. Generally, squid clustered into two distinct isotopic groups, one with depleted isotope signatures typical ... . Generally, squid clustered into two distinct isotopic groups, one with depleted isotope signatures typical ... , whereas carbon isotope values were similar in both beak and muscle tissues. Size (and hence age ... ) was an important factor in explaining variation in both beak and muscle tissue isotope signatures in only one ...
Meeting Document : WG-EMM-12/55 : Author(s): D.R. Thompson, M.H. Pinkerton, D.W. Stevens (New Zealand), Y. Cherel (France), S.J. Bury (New Zealand)
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Model-based, ecosystem risk assessments of MPA scenarios in Planning Domain 1
of the risks associated with two marine protected area (MPA) scenarios in Planning Domain 1, one representing ... 1, one representing the MPA proposed by Argentina and Chile. We conclude that the MPA proposed ... to assess some of the risks associated with two marine protected area (MPA) scenarios in Planning Domain ...
Meeting Document : SC-CAMLR-XXXVI/BG/27 : Author(s): Delegation of the USA
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Seabird mortality on longlines in Australian waters: a case study of progress and policy
of seabirds each year, and is now acknowledged as representing the most pervasive threat to seabirds ... of seabird mortality is poorly known for most of the world039;s longline fisheries. Information on bird ... bycatch in the Southern Oceans is best known for the Australian and New Zealand regions. The 10 year ... by Japanese longliners over 10 years show an apparent fall from the 1988 bycatch figure of 0.4 birds/1000 ...
Meeting Document : WG-FSA-98/29 : Author(s): R. Gales, N. Brothers, T. Reid, D. Pemberton and G.B. Baker (Australia)
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Investigating the uncertainty of age determinations for Patagonian toothfish (Dissostichus eleginoides) and the implications for stock assessment
of the matrix and a lack of smoothness in the probabilities for ages above 25 years. Positive errors now ... expanded the reference collection to include an additional 50 otoliths with a mean age above 25 years ... and a lack of smoothness in the probabilities for ages above 25 years. Positive errors now aggregate ... the reference collection to include an additional 50 otoliths with a mean age above 25 years. The revised method ...
Meeting Document : WG-FSA-14/46 : Author(s): P. Burch, P. Ziegler, W. de la Mare and D. Welsford (Australia)
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Assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990-2014
Abstract: We made five sensitive runs of single-sex age-structured CASAL models for stock status ... (OB_1b_notag model) and 5) removal of age observations, and fix of both selectivitties at the estimates ... We made five sensitive runs of single-sex age-structured CASAL models for stock status assessments ... (OB_1b_notag model) and 5) removal of age observations, and fix of both selectivitties at the estimates ...
Meeting Document : WG-SAM-15/25 : Author(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)