Search results
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ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT
in 2008/09, slightly under the target of 375 for the full 75 tonnes of catch; 3. There were 29 ... of a limited number of cohorts. 7. CASAL confirms that the vulnerable biomass is dominated by a single cohort ... under the target of 375 for the full 75 tonnes of catch; 3. There were 29 D. eleginoides tag returns ... of 48.3; though the bulk of the current vulnerable biomass may be composed of a limited number of cohorts ...
Meeting Document : WG-FSA-09/17 : Author(s): J. Roberts and D.J. Agnew (United Kingdom)
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Cruise Report – Research Project: Demersal finfish distribution, abundance, and their biological characteristics in Statistical Subareas 48.1 (northern area) and 48.2
the maximum research catch specified in Subarea 48.1 (95% of authorized research catch), we were unable ... ). In Subarea 48.2, we were unable to complete the planned number of stations (n=28) because of limited ship ... the maximum research catch specified in Subarea 48.1 (95% of authorized research catch), we were unable ... ). In Subarea 48.2, we were unable to complete the planned number of stations (n=28) because of limited ship ...
Meeting Document : WG-SAM-18/25 : Author(s): Delegation of Chile
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Precautionary management of the Antarctic krill fishery at small spatial scales in the context of regional climate variability: pros and cons of coastal buffers, closed areas and move-on rules
critical ecological time periods, and (iii) harvesting limits and move-on rules. We discuss the potential ... to fishing during the penguin breeding season could reduce krill catches by approximately 30,000 tonnes ... , but that this catch could be recovered either offshore, or after penguin breeding is complete. We note that use ... critical ecological time periods, and (iii) harvesting limits and move-on rules. We discuss the potential ...
Meeting Document : SC-CAMLR-XXXV/BG/14 : Author(s): Delegation of the United Kingdom
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Exploratory analysis of acoustic data from the Ross Sea
could be compared with longline catches. Each ‘line’ recording was between 20 and 50 min long ... files), the file was corrupted (1 file), or the longline was lost so there were no corresponding catch ... is a major limitation that could only be avoided with the use of an acoustic system deployed at depth. Two ... the echogram and the catch of rattails in the accompanying longline set. Bottom-referenced layers were present ...
Meeting Document : WG-FSA-SAM 03/9 : Author(s): R.L. O’Driscoll and G.J. Macaulay (New Zealand)
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Standardised CPUE analysis of Antarctic toothfish (Dissostichus mawsoni) fishery in the Ross Sea for the years 1997/98 to 2004/05
) since 1997 in CCAMLR Subareas 88.1 and 88.2. Previously, standardised analysis of toothfish CPUE (catch ... conditions that limited where lines could be set. None of these factors were believed to be important in 2005 ... in CCAMLR Subareas 88.1 and 88.2. Previously, standardised analysis of toothfish CPUE (catch per hook) have ... conflict and competition between vessels to set lines, in addition to extreme ice conditions that limited ...
Meeting Document : WG-FSA-05/32 : Author(s): A. Dunn and N.L. Phillips (New Zealand)
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USING ECOSYSTEM STRUCTURE TO IDENTIFY FINER-SCALE SSMUS FOR OCEANIC AREAS IN SUBAREAS 48.1 TO 48.3
studies, and from the concentration of krill catches in limited parts of the oceanic SSMUs. A more ... studies, and from the concentration of krill catches in limited parts of the oceanic SSMUs. A more ... subdivision of catches that allows CCAMLR to achieve its objectives for both the fishery and the ecosystem ... . This requires a framework of spatial areas over which catches can be subdivided. WG-EMM has devised an initial ...
Meeting Document : WG-EMM-11/18 : Author(s): S.L. Hill and J. Silk (UK)
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Longline sink rates of an autoline vessel, and notes on seabird interactions
) accounted for 90% of the observed incidental catch; of which 90% were foul hooked rather than having ... ) behaviour, and steaming (offal) behaviour. A night vision scope was trialed and found to be of limited ... ) accounted for 90% of the observed incidental catch; of which 90% were foul hooked rather than having ... ) behaviour, and steaming (offal) behaviour. A night vision scope was trialed and found to be of limited ...
Meeting Document : WG-FSA-01/44 : Author(s): N.W.McL. Smith (New Zealand)
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Development of a five-year work plan for the CCAMLR Scientific Committee
-Development of management advice consistent with Article II for data-limited fisheries Ecosystem based ... fisheries – Vertebrate by-catch and VME in CCAMLR fisheries Spatial management of impacts on the Antarctic ... -Development of management advice consistent with Article II for data-limited fisheries Ecosystem based ... fisheries – Vertebrate by-catch and VME in CCAMLR fisheries Spatial management of impacts ...
Meeting Document : WG-EMM-17/02 : Author(s): M. Belchier (Chair of SC-CAMLR)
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Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002/03 to 2017/18 using a two-area model
to the proportions-at-age in the catch, and the mark-recapture data from the two areas. The results suggest that data ... -specific age frequency data to inform these fits, and the limited spatial extent of the tag recaptures ... to the proportions-at-age in the catch, and the mark-recapture data from the two areas. The results suggest that data ... -specific age frequency data to inform these fits, and the limited spatial extent of the tag recaptures ...
Meeting Document : WG-FSA-18/37 : Author(s): S. Mormede and S. Parker
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Uncertainty in reported geographical distribution and weight of krill catches from Norwegian krill fishing vessels operating continuous fishing systems
to ensure catch reporting in accordance with the present conservation measure (CM 21-03) and to investigate ... potential errors in historical catch report data. As a response, the Norwegian delegation presented a list ... of the action steps including onboard experiments and analyses of historical catch data. Experiments on board ... enters the trawl mouth and the time the same krill enters the holding tanks where catch weight can ...
Meeting Document : WG-EMM-18/22 : Author(s): G. Skaret, T. Knutsen, F. Grebstad and O.A. Bergstad