Resultados de la búsqueda
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Revised research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan
in 2016. We have used extracted data provided by CCAMLR Secretariat in this late August for the ... Fulton’s condition factors for D. mawsoni in Subarea 48.6 suggest that northward spawning migration and ... southward feeding migration as Ross Sea stock as suggested in the previous reports. Life history seems to be ... juveniles from around west of Prydz Bay regions are speculated to migrate to Subarea 48.6 and be important ...
Meeting Document : WG-FSA-16/32 Rev. 1 : Autor(es): Delegations of Japan and South Africa
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Changes to seabird avoidance regulations in Alaska demersal longline fisheries based on scientific research on effectiveness of mitigation measures
at http://www.wsg.washington.edu/pubs/seabirds/seabirdpaper.html and was submitted to CCAMLR in 2001 ... relative to controls with no deterrent). This proposed action is prompted for two reasons: 1) An industry ... results from a study on the effectiveness of seabird avoidance measures that suggest ways that the current ... seabird avoidance requirements can be improved. The objective of the proposed regulatory change is to ...
Meeting Document : WG-FSA-02/53 : Autor(es): K.S. Rivera (USA)
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Beach debris survey, Main Bay, Bird Island, South Georgia, 2002/03
recorded in 2001/02 and the lowest levels of beach debris during summer since the first year of recording ... with 26% of the total number of items collected during the winter. The total weight of debris collected ... over the last decade, indicates that debris is still being lost by vessels into the marine environment ... . All vessels operating in this region should be encouraged to comply not only the correct waste ...
Meeting Document : SC-CAMLR-XXIII/BG/13 : Autor(es): Delegation of the United Kingdom
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Impacts of rising sea temperature on krill increase risks for predators in the Scotia Sea
at the regional level, which suggests that some predator populations may be more vulnerable than ... effects of ocean warming on krill biomass were strongest in the northern Scotia Sea, with a ≥ 40% decline ... in the mass of individual krill. Projections also suggest a 25% chance that krill biomass will fall ... below an established depletion threshold (75% of its unimpacted level), with consequent risks for some ...
Meeting Document : WG-EMM-18/P02 : Autor(es): E.S. Klein, S.L. Hill, J.T. Hinke, T. Phillips and G.M. Watters
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Metabarcoding analysis of the stomach contents of the Antarctic toothfish (Dissostichus mawsoni) collected in the Antarctic Ocean
fish species, supporting the postulate that the major prey of D. mawsoni are fish. Two fish species ... that of previous studies). We also obtained genotypes of prey items by NGS analysis, identifying an ... additional 17 representative haplotypes in this study. Comparison with three previous morphological studies ... D. mawsoni, which previously was not possible. These results suggested that NGS-based diet studies ...
Meeting Document : WG-FSA-17/P03 : Autor(es): T.-H. Yoon, H.-E. Kang, S. R. Lee, J.-B. Lee, G. W. Baeck, H. Park and H.-W. Kim
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The case for including the Ross Sea continental shelf and slope in a Southern Ocean network of marine protected areas
/breeding, feeding, molting and wintering areas of these predators, ASOC submits that the Ross Sea should be ... because the area meets several other internationally recognized biodiversity criteria for MPAs, that the ... interference from other, extractive uses that would alter ecosystem structure and dynamics. ASOC submits that ... marine ecosystem. For perspective, this paper makes comparisons with the special area criteria under the ...
Meeting Document : CCAMLR-XXIX/BG/26 : Autor(es): ASOC Observer
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New Zealand submission for the trial of the CCAMLR observer training program accreditation scheme
complete, we note that the review will be passed to the Technical Peer Review Group using a closed e-group ... -hoc TASO noted that in order to receive high-quality data from the CCAMLR Scheme of International ... Scientific Observation (SISO), it is important that observers working in CCAMLR fisheries operate to a ... implemented. In August 2017, New Zealand volunteered to submit its details of its observer training program in ...
Meeting Document : WG-FSA-17/41 : Autor(es): A. Dunn, D. Kerrigan and A. McNabb
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Possibility of predicting sea-ice concentration (SIC) in research block (RB) 48.6-5 (Southern part of Subarea 48.6) using sea surface temperature (SST) in RB 48.6-2 (Northern part of 48.6)
Abstract: It was reported at WG-SAM-2019 that the sea ice concentration (SIC) of RB ... 48.6-5 corresponded well with the dynamics of monthly sea surface temperature (SST) anomaly in RB ... be used to predict the SIC in 48.6- 5. There is not a strong correlation of SST between ... assumed that these are related. This paper analyses the possibilities to predict the SIC in 48.6-5 for ...
Meeting Document : WG-FSA-2019/49 : Autor(es): T. Namba, R. Sarralde, S. Somhlaba and J. Pompert
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Characterisation of skate catches in the Ross Sea region
(Dissostichus mawsoni) catch of about 3000 t. Skates form a small proportion of the total catch (typically 2% or ... that about 33 000 starry skates were landed, and 55 000 released in the Ross Sea region by all vessels ... individuals than landed starry skates. Eaton cf. skates had a different length frequency, with a narrower ... with other studies suggesting Eaton cf. skates might grow to larger sizes than starry skates. During ...
Meeting Document : WG-FSA-10/25 : Autor(es): S. Mormede and A. Dunn (New Zealand)
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Spatial variation in Antarctic toothfish (Dissostichus mawsoni) catch rate, mean weight, maturity stage and sex ratio across Divisions 58.4.1, 58.4.2 and 58.4.3b
and catch limits according to CCAMLR decision rules have yet to be developed. A key step in developing ... reports on the development of generalised additive mixed models to characterise relationships between ... . mawsoni, including in adjacent Division 58.4.3b. Spatial heterogeneity in catch composition indicated that ...
Meeting Document : WG-FSA-17/16 : Autor(es): P. Yates, P. Ziegler, P. Burch, D. Maschette, D. Welsford and S. Wotherspoon