Search results
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Spawning periods and locations of Champsocephalus gunnari in Subarea 48.3 (South Georgia and Shag Rocks): a review
Abstract: Analysis of recent commercial catch, research survey and larval data for mackerel ... evidence that spawning is protracted and occurs from January through to July. The majority of commercial ... fishing activities for this species take place to the northwest of South Georgia over 12 nautical miles ... unlikely to protect spawning aggregations of C. gunnari but could, inadvertently, increase the risk of ...
Meeting Document : WG-FSA-07/55 : Author(s): S. Clarke, M. Belchier and M.A. Collins
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EXPLORING THE ROBUSTNESS OF THE CURRENT TOOTHFISH SPP. HARVEST CONTROL RULES AND POTENTIAL EXPLOITATION RATE-BASED ALTERNATIVES
dynamics of toothfish spp. in the CCAMLR area. This model underpins a management strategy evaluation ... framework where the process of stock assessment, TAC calculation and implementation and potential changes in ... future toothfish productivity (continuous and regime-based) are all simulated. The robustness of the ... current harvest control rule employed for assessed stocks of toothfish spp. in the convention area is ...
Meeting Document : WG-SAM-09/14 : Author(s): R. Hillary (United Kingdom)
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Tracer trajectories from the western shelf of South Georgia: ship displacement data
the west of South Georgia. The data were collected over a six-week period during 1986. A distance ... is complex with no simple flow field. These data include a lot of complex process interactions ... . Particles getting onto the shelf become retained with little escape after a run of 100 days. Some of the ... trajectories are extremely complex. Particles to the north of the shelf can get up onto the shelf. Only those ...
Meeting Document : WS-Flux-94/10 : Author(s): E.J. Murphy, I. Everson and C. Goss (United Kingdom)
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New contributions to penguin monitoring to help underpin the development of feedback management approaches for the Antarctic krill fishery
Abstract: In this paper we provide a brief summary of new plans for the study of penguin ... penguin survival, demography and phenology. We describe the range of new methodologies that we will ... . These studies will inform our understanding of krill-eating penguins and have relevance to the ... development of various potential feedback management approaches for the krill fishery in the southwest ...
Meeting Document : WG-EMM-13/11 : Author(s): N. Ratcliffe, A. Fox, P. Fretwell, T. Hart and P. Trathan (United Kingdom)
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Correlation of sea-surface temperature (SST) with sea-ice concentration (SIC) between Subarea 48.6 and other areas such as Ross Sea, Weddell Sea
Abstract: Since the correlation of SST between Subarea 48.6 and Division 58.4.2 was reported in ... Namba et al. (WG-SAM-17/10), correlations of SIC between Subareas 48.6 and 88.1 (Ross Sea), Weddell Sea ... and the Sea offPeru were re-analyzed in this paper. There is some correlation of SIC between Subareas ... 48.6 and 88.1 with SST data from 2002-2019. In addition, the correlation of SST and SST shifted forward ...
Meeting Document : WG-FSA-2019/48 : Author(s): T. Namba, R. Sarralde, S. Somhlaba and J. Pompert
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A proposal to modify the boundaries of Statistical Division 58.5.2 to define William’s Ridge
Abstract: A proposal is submitted to suggest modifications to the boundaries of Division 58.5.2 ... and the creation of a new Division 58.5.3. The modified or new Divisions reflect more accurately the ... distribution of management units for toothfish in the region within and adjacent to the Convention Area. Author ... (s): Delegation of Australia Title: A proposal to modify the boundaries of Statistical Division ...
Meeting Document : SC-CAMLR-XXI/07 : Author(s): Delegation of Australia
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plotImpact – software for producing image plots of spatially referenced impact assessments
Abstract: Software is presented for the automated production of standardised image plots of ... Secretariat or CCAMLR Working Groups in the production of integrated bottom fishing impact assessments ... , including routine update of the circumpolar impact assessment originally described in SC-CAMLR-XXIX/4 ... – software for producing image plots of spatially referenced impact assessments Approval: Approved ...
Meeting Document : WG-FSA-11/51 Rev. 1 : Author(s): D.N. Webber (New Zealand) and J.P. McKinlay (Australia)
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Interannual and seasonal variability of salp by-catch from Japanese krill fishery around the South Shetland Islands
Abstract: Data on salp by-catch and green krill were analyzed based on Logbook data of Japanese ... krill trawlers. Inter-annual and seasonal variability of the timing, duration and strength of salp bloom ... were indicated. Salp by-catch and occurrence of green krill seemed to show reverse correlation ... ., Kawaguchi, S. Title: Interannual and seasonal variability of salp by-catch from Japanese krill fishery ...
Meeting Document : WG-EMM-97/37 : Author(s): Naganobu, M., Ichii, T., Kawaguchi, S.
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Revised research plan for the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2: Fundamentals and procedures (this is a revision of WG-SAM-12/13)
Abstract: A revision of the research plan for the Spanish exploratory longline fishery for ... suggestions made by the Working Group is presented. Two methods to estimate the local biomass of the toothfish ... are proposed, a depletion experiment together with the tag of some specimens using the DeLury model ... with four different scenarios related to the extent of the area. The regression coefficients between ...
Meeting Document : WG-FSA-12/69 : Author(s): R. Sarralde, L.J López Abellán and S. Barreiro (Spain)
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Draft MPA Report for the South Orkney Islands, Subarea 48.2; Part of CCAMLR MPA Planning Domain 1, Western Peninsula – South Scotia Arc
Abstract: In this paper we provide a brief history that describes the development of management ... plans and research and monitoring plans for CCAMLR MPAs. We develop a worked example of the management ... the information necessary for CCAMLR’s planning purposes, including the identification of other ... develop spatial protection measures is through the appropriate combination of scientific data and ...
Meeting Document : WG-EMM-13/10 : Author(s): P. Trathan and S. Grant (United Kingdom)