Search results
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A way forward in the multivariate analysis of Antarctic predator, prey and environment indices: predator-environment interactions at Seal Island
species and changes due to environmental variability. Data from Seal Island are used to construct a ... used to propose a method of distinguishing between effects of environmental variation and harvesting on ... short time series now available, and provides a way forward in the analysis and interpretation of the ... CEMP indices. Author(s): Agnew, D.J., Watters, G., Hewitt, R. Title: A way forward in the ...
Meeting Document : WG-EMM-96/27 : Author(s): Agnew, D.J., Watters, G., Hewitt, R.
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Recommendations from a cross-sector workshop on krill fishing and conservation in the Scotia Sea and Antarctic Peninsula region
Abstract: In June 2014, the ICED programme, the British Antarctic Survey and WWF co-hosted a two ... workshop. There is broad cross-sector commitment to maintaining a healthy ecosystem and support for ... . This accord could be strengthened by articulating a clear research and development strategy to support ... from a cross-sector workshop on krill fishing and conservation in the Scotia Sea and Antarctic ...
Meeting Document : WG-EMM-14/12 : Author(s): S. Hill, R. Cavanagh, R. Downie, C. Knowland and S. Grant (United Kingdom)
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PiNT – a tool for renaming observer photographs at sea
deployments, it is crucial to develop a common naming convention that allows to keep track of where, when, and ... on which vessel a picture was taken by whom, together with basic information on the picture content ... development of a tool in Excel. Author(s): N. Gasco, C. Chazeau, P. Tixier (France), C. Heinecken (South ... Africa), J. Clark and M. Soeffker (United Kingdom) Title: PiNT – a tool for renaming observer ...
Meeting Document : WG-FSA-15/76 : Author(s): N. Gasco, C. Chazeau, P. Tixier (France), C. Heinecken (South Africa), J. Clark and M. Soeffker (United Kingdom)
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Independent reviews of CCAMLR stock assessments – a discussion paper
Abstract: In 2013 the Commission endorsed the Scientific Committee’s recommendation to develop a ... on this topic and supporting the Scientific Committee in their development of a procedure ... as a mechanism for transparency of the stock assessment process, particularly if reports of such ... Article II. Author(s): Delegation of the USA Title: Independent reviews of CCAMLR stock assessments – a ...
Meeting Document : SC-CAMLR-XXXV/BG/20 : Author(s): Delegation of the USA
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Proposal for a joint workshop between the Southern Ocean Observing System and the Scientific Committee for the Conservation of Antarctic Marine Living Resources
Scientific Committee consider a proposal to hold a joint two-day workshop between representatives of SOOS and ... Scientific Committee as having an important role in a number of areas of its work, including ecosystem ... and SOOS, the Executive Committee of SOOS wishes to establish a dialogue with SC-CAMLR on how these ... achieving this. Author(s): Submitted by SCOR Title: Proposal for a joint workshop between the Southern ...
Meeting Document : SC-CAMLR-XXXVI/BG/15 : Author(s): Submitted by SCOR
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Preliminary assessment of mackerel icefish, Champsocephalus gunnari, on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
Abstract: A preliminary assessment of yield of Champsocephalus gunnari for Heard Island Plateau ... (Division 58.5.2) was undertaken using the standard CCAMLR methods, based on the result of a randomly ... in recruitment, natural mortality and growth of these fish, combined with the need to maintain a ... steady yield if possible need to be explored further in the development of a management procedure that ...
Meeting Document : WG-FSA-03/32 : Author(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)
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On influence of acoustic survey methodology improvement on krill biomass estimation. (A comparison of results of acoustic surveys based on single-frequency and double-frequency algorithms)
species identification realized by single-frequency and double-frequency algorithms could cause a marked ... difference in krill biomass estimates. A difference was more than 1.8 times in the case under consideration ... . Judging from significant differences in biomass estimates attributed to only introducing a new method of ... have a considerable influence on biomass estimates obtained. Therefore. it is expected that the ...
Meeting Document : WG-EMM-01/41 : Author(s): S.M. Kasatkina and A.P. Malyshko (Russia)
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FIELD IDENTIFICATION GUIDE TO HEARD ISLAND AND MCDONALD ISLANDS (HIMI) BENTHIC INVERTEBRATES: A GUIDE FOR SCIENTIFIC OBSERVERS ABOARD FISHING VESSELS
Abstract: At CCAMLR-XXVI the Working Group on Fish Stock Assessment (WG-FSA) noted a lack of ... to Heard Island and McDonald Islands (HIMI) benthic invertebrates: a guide for scientific observers ... intended for use as both a training tool, and at-sea by trained observers, to make accurate identifications ... similar guides for training purposes and at-sea use by observers in other CCAMLR designated fisheries, a ...
Meeting Document : SC-CAMLR-XXVIII/BG/12 : Author(s): Delegation of Australia
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ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT
. eleginoides tag returns in 2008/09, bringing the total from all seasons up to 54 tag recaptures; 4. A total of ... a limited number of cohorts. 7. CASAL confirms that the vulnerable biomass is dominated by a single ... simple Petersen and local CPUE estimates, with a B0 of 1143 t and B2009/B0 of 85%. 9. The sustainable ... DATA FROM A FOUR-YEAR TAGGING EXPERIMENT Approval: Approved ...
Meeting Document : WG-FSA-09/17 : Author(s): J. Roberts and D.J. Agnew (United Kingdom)
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The reliability of VHF telemetry data for measuring attendance patterns of marine predators: a comparison with Time Depth Recorder data
patterns of otariid seals. These data have been used in a wide variety of ways, from characterizing the ... data in a state-space framework elicited mean attendance durations that were indistinguishable from TDR ... -derived measurements, suggesting this approach may provide a means to re-examine historic VHF data ... decreasing cost over the last thirty years, TDRs are a more appropriate means to collect attendance data on ...
Meeting Document : WG-EMM-15/P05 : Author(s): A.D. Lowther, H. Ahonen, G. Hofmeyr, W.C. Oosthuizen, P.J. Nico De Bruyn, C. Lydersen and K. Kovacs