Search results
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By-catch observation during krill fishing cruise (48.1, 48.2 Statistical Subareas, 2011)
Abstract: 359 Antarctic krill catches were analysed for by-catch, it took 48.5% of observed ... catches and 31.3% of total catches. Fish by-catches were usual in the sector 48.1 (89.1% of cases ... ); the most of by-caught fishes belonged to families Nototheniidae (NOX) (66.3%). Fish by-catches ... in the sector 48.2 were recorded in 50% examined catches; the most frequent were fishes of families Myctophidae ...
Meeting Document : WG-FSA-11/41 : Author(s): K. Vyshniakova (Ukraine)
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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
sensitive to the relative weights given to CPUE and catch-at-length data in the model fitting processes ... the implications of the CPUE and the catch-at-length data regarding the current status of the resource. Author ... eleginoides) resource in the Prince Edward Islands vicinity which attempt to reconcile CPUE and catch ... sensitive to the relative weights given to CPUE and catch-at-length data in the model fitting processes ...
Meeting Document : WG-FSA-SAM-04/12 : Author(s): Brandão, A., Butterworth, D.S.
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COMPARISON OF THE PRECISION OF DIRECT VERSUS AGE LENGTH KEY METHODS OF ESTIMATING CATCH-AT-AGE PROPORTIONS
Abstract: Catch-at-age proportions can be estimated directly using a simple random sample (SRS ... ) of fish in the catch, determining the ages in the sample, and calculating proportions in each age class ... classes that dominate the catch but is significantly superior for the less well represented age classes ... of the accuracy of integrated assessments that employ catch-at-age proportions. Author(s): S.G. Candy (Australia ...
Meeting Document : WG-FSA-09/22 Rev. 1 : Author(s): S.G. Candy (Australia)
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Modelling catch and effort data using generalised linear models with random cruise effects: trawl fishery for mackerel icefish (Champsocephalus gunnari) in CAMLR Area 58.5.2
Abstract: A set of procedures for modelling catch and effort data using generalized linear mixed ... of the CAMLR area as an example dataset. The application of these procedures to trawl catches ... of Champsocephalus gunnari in Subarea 58.5.2 is described. For the trawl catch and effort data it was found ... since diminished through a combination of Author(s): S.G. Candy (Australia) Title: Modelling catch ...
Meeting Document : WG-FSA-03/35 : Author(s): S.G. Candy (Australia)
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Interim protocol for fish/fish larvae by-catch observation in krill fishery
by-catch observation among observers and vessels so that we can later use it for quantitative analysis ... by the flag states. This protocol will be used only for Fish and Larval fish by-catch observation ... (s): S. Kawaguchi (Australia) Title: Interim protocol for fish/fish larvae by-catch observation in krill fishery ... -CAMLR 2006). The purpose of developing this protocol is to standardize the larval fish by-catch ...
Meeting Document : WG-EMM-07/25 : Author(s): S. Kawaguchi (Australia)
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Fish by-catch in the krill fishery: 2018 update
Abstract: Data on fish bycatch in the krill fishery from commercial catch data (120 949 hauls ... in the commercial krill fishery catch data. As in previous years there was a high degree of overlap in the most ... modal size class of <10 cm. Author(s): CCAMLR Secretariat Title: Fish by-catch in the krill fishery ... Data on fish bycatch in the krill fishery from commercial catch data (120 949 hauls) and CCAMLR ...
Meeting Document : WG-FSA-18/10 : Author(s): CCAMLR Secretariat
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Off the hook? Initiatives to reduce seabird by-catch in longline fisheries
Abstract: The recent history of global initiatives to reduce seabird by-catch in longline ... to population decreases. An International Plan of Action for Reducing Incidental Catch of Seabirds in Longline ... by-catch in longline fisheries Approval: Approved ... The recent history of global initiatives to reduce seabird by-catch in longline fisheries ...
Meeting Document : WG-FSA-99/6 : Author(s): J. Cooper (South Africa), J.P. Croxall (United Kingdom) and K.S. Rivera (USA)
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Catch rates and length composition data of the longline fishery for Dissostichus eleginoides at the Prince Edward Islands: 1996/97
Abstract: The first reports of commercial catches of Patagonian toothfish Dissostichus ... vessels had already landed catches of more than 23 000 tons in South Africa and Namibia. It is against ... hooks and landed 2 100 tons of toothfish. Although catch rates were initially high at around 0.7 kg per ... by unregulated vessels, was probably largely responsible for the sharp decline in catch rates. There are, however ...
Meeting Document : SC-CAMLR-XVI/BG/28 : Author(s): Delegation of South Africa
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Analysis of catch and effort data from the IUU fishing vessel Kunlun
catch rate per gillnet was approximately 4,038kgs The vessel spent three weeks fishing for a total catch ... The vessel’s catch and effort data did not match the verified factory production records. As a result ... of catch and effort data from the IUU fishing vessel Kunlun Microsoft Word File: cc-xxxiv-bg-18.docx ... January 2015 The average Dissostichus spp greenweight catch rate per gillnet was approximately ...
Meeting Document : CCAMLR-XXXIV/BG/18 : Author(s): Delegation of Australia
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Using mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian toothfish at South Georgia
and natural mortality, and integrates catch-at-age data into the estimation model, to aid in distinguishing ... to be lower than those estimated in previous stock assessments using both mark-recapture and catch data ... . Agnew (United Kingdom) Title: Using mark-recapture and catch-age data to estimate fishing and natural ... mortality, and integrates catch-at-age data into the estimation model, to aid in distinguishing between ...
Meeting Document : WG-FSA-SAM-06/06 : Author(s): R.M. Hillary and D.J. Agnew (United Kingdom)