Search results
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Depletion-corrected average catch: a simple formula for estimating sustainable yields in data-poor situations
Abstract: The depletion-corrected average catch (DCAC) formula is an extension of the potential ... -lived species. Over an extended period (e.g. a decade or more), the catch is divided into a sustainable ... production, in the form of a “windfall ratio”. The DCAC is calculated as the sum of catches divided ... by the sum of the number of years in the catch series and this windfall ratio. Input information includes ...
Meeting Document : WG-SAM-11/P3 : Author(s): A.D. McCall
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Review of the technical recommendations for the Patagonian toothfish fishery in order to minimize by-catch
recommendations in order to minimize fish by-catch of fish that are not targeted by the fishery campaign of 2011 ... in order to reduce the fish by-catch during the next campaign. The allotment of quotas to the fishing ... , if by-catch mitigation methods demonstrate their efficiency, the fishing vessels will also be assessed ... according to their ability to achieve the targets in reducing the by-catch of non targeted fish species ...
Meeting Document : SC-CAMLR-XXX/BG/10 : Author(s): Delegation of France
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UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS USING CATCH-AT-AGE DATA AND TWO YEARS OF SURVEY ABUNDANCE-AT-AGE DATA
, for the Heard and McDonald Islands (Division 58.5.2) was updated by replacing catch-at-length proportions from ... commercial catches with catch-at-age proportions using age length keys (ALKs) where the ALK for each ... for each fishing period within that year. For years where insufficient fish were aged the catch-at-length ... sizes for the commercial catch-at-age proportions, assuming a multinomial distribution ...
Meeting Document : WG-SAM-09/09 : Author(s): S.G. Candy (Australia)
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Some aspects of the by-catch fish spawning and oogenesis
Abstract: On the basis of the biological material collected on some by-catch fishes during ... , and the spawning portion of some large females was only about 1000-1500 yolk oocytes One of the by catch fish ... concerning knowledge of by-catch fish reproductive biology should be taken into account while managing ... of the by-catch fish spawning and oogenesis Approval: Approved ...
Meeting Document : WG-FSA-10/51 : Author(s): V. Prutko (Ukraine) and D. Chmilevsky (Russia)
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A proposal to enhance and clarify CCAMLR’s Catch Documentation Scheme
(Dissostichus spp.) into commerce, CCAMLR’s catch documentation scheme tracks shipments from the point ... of harvest through final import for consumption. The move, in 2010, to a fully electronic Catch ... effective catch documentation schemes look to the e-CDS as a model of effective and efficient product ... and clarify CCAMLR’s Catch Documentation Scheme Approval: Approved ...
Meeting Document : CCAMLR-XXXI/38 : Author(s): Delegation of the USA
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Proposals of the Russian Federation on by-catch reporting in the longline toothfish fishery in the CCAMLR Convention Area
Abstract: Some methods used by observers to record by-catch data in the longline toothfish ... fishery are discussed. Proposals on implementation of a uniform process reporting accurate by-catch data ... of the Russian Federation on by-catch reporting in the longline toothfish fishery in the CCAMLR Convention Area ... Some methods used by observers to record by-catch data in the longline toothfish fishery ...
Meeting Document : WG-SAM-16/24 : Author(s): Delegation of the Russian Federation
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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 ... were indicated. Salp by-catch and occurrence of green krill seemed to show reverse correlation ... , T., Kawaguchi, S. Title: Interannual and seasonal variability of salp by-catch from Japanese krill fishery ... Data on salp by-catch and green krill were analyzed based on Logbook data of Japanese krill ...
Meeting Document : WG-EMM-97/37 : Author(s): Naganobu, M., Ichii, T., Kawaguchi, S.
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Reconciliation of CDS data with monthly fine-scale catch and effort data
Abstract: The reconciliation of CDS data with monthly fine-scale catch and effort data has ... demonstrated the effectiveness of the CDS to trace the catch of toothfish caught in the CCAMLR Convention Area ... is ongoing. Author(s): CCAMLR Secretariat Title: Reconciliation of CDS data with monthly fine-scale catch ... The reconciliation of CDS data with monthly fine-scale catch and effort data has demonstrated ...
Meeting Document : CCAMLR-38/BG/11 : Author(s): CCAMLR Secretariat
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Revision of the commercial catch at age of the Antarctic icefish Champsocephalus gunnari over the period 1976/77 to 1990/91
Abstract: A revision of the calculation of total international catch at age of Champsocephalus ... ). It is proposed that the revised catch at age be used for future assessment of the C. gunnari fishery at South ... Georgia using VPA. Author(s): G.B. Parkes (United Kingdom) Title: Revision of the commercial catch ... A revision of the calculation of total international catch at age of Champsocephalus gunnari over ...
Meeting Document : WG-FSA-93/29 : Author(s): G.B. Parkes (United Kingdom)
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Examination of the characteristics of the fishery for Dissostichus eleginoides in the CCAMLR Statistical Subarea 48.3 and its implications on estimating trends in catch per unit effort
and random in haul-by-haul catch and effort data from the longline fishery for Dissostichus eleginoides ... was a significant predictor of catch the fitted relationship was not consistent with using soak time as a co-measure ... catch and number of hooks set was consistent with using this variable directly as the measure of effort ... ) in the regression model for catch suggested a declining trend in the coefficient over time. This may indicate ...
Meeting Document : WG-FSA-SAM-05/17 : Author(s): A.J. Constable, S.G. Candy and B. Raymond (Australia)