Résultats de la recherche
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Genetic analysis of skates (Amblyraja spp.) caught as by-catch around South Georgia and the South Sandwich Islands
Abstract: Skates are frequently caught as by-catch during commercial longline fishing operations ... within CCAMLR subareas 48.3 and 48.4. Morphological evaluations of the by-catch in these subareas ... these Amblyraja skates to assess if their current morphological classification during by-catch ... Title: Genetic analysis of skates (Amblyraja spp.) caught as by-catch around South Georgia and the ...
Meeting Document : WG-FSA-18/73 : Auteur(s): W.P. Goodall-Copestake, S. Perez-Espona, P. Hollyman and M. Belchier
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Spatial pattern of major by-catch fishes at Division 58.4.4b during 2012/13–2016/17
Abstract: This paper represents the by-catch analysis results of a multi-Member longline survey ... (Antimora rostrata), GRV (Macrourus spp.), and RFA (Raja taaf) are common by-catch species, which are caught ... at both research blocks 58.4.4b_1 and 58.4.4b_2. These common by-catch species indicate some temporal ... major by-catch fishes at Division 58.4.4b during 2012/13–2016/17 Approval: Approved Secretariat ...
Meeting Document : WG-FSA-18/68 : Auteur(s): Delegations of Japan and 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
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 ... ) samples for each fishing period within that year. For years where insufficient fish were aged the catch-at ... . Effective sample sizes for the commercial catch-at-age proportions, assuming a multinomial distribution, and ...
Meeting Document : WG-SAM-09/09 : Auteur(s): S.G. Candy (Australia)
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ACCURACY OF BENTHIC INVERTEBRATE BY-CATCH IDENTIFICATION BY OBSERVERS OPERATING IN THE HEARD ISLAND AND MCDONALD ISLANDS PATAGONIAN TOOTHFISH LONGLINE FISHERY
additional data on benthic invertebrate by-catch; observers operating aboard the longline fishing vessel ... Antarctic Chieftain were asked to identify and retain all benthic invertebrate by-catch from a recent voyage ... longline invertebrate by-catch. Common taxonomic errors included the misclassification of stylasterids ... BENTHIC INVERTEBRATE BY-CATCH IDENTIFICATION BY OBSERVERS OPERATING IN THE HEARD ISLAND AND MCDONALD ...
Meeting Document : WG-FSA-09/23 : Auteur(s): T. Hibberd (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 ... 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 : Auteur(s): V. Prutko (Ukraine) and D. Chmilevsky (Russia)
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The factors causing impact on the toothfish catch estimation on board of fishing vessels
Abstract: The toothfish catch estimation on board of fishing vessels at the CCAMLR area is being ... measurement equipment. Besides, until today the “green weight” of the toothfish catch on fishing vessels was ... critical factors and offers recommendations on how to minimize the distortions in catch estimation on board ... . Diripasko and D. Marichev Title: The factors causing impact on the toothfish catch estimation on board of ...
Meeting Document : WG-SAM-2019/14 : Auteur(s): K. Demianenko, P. Zabroda, I. Slypko, L. Pshenichnov, A. Bazhan, O. Diripasko and D. Marichev
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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 ... soak time was a significant predictor of catch the fitted relationship was not consistent with using ... -linear relationship between catch and number of hooks set was consistent with using this variable ... fitted coefficient for log(Hooks Set) in the regression model for catch suggested a declining trend in ...
Meeting Document : WG-FSA-SAM-05/17 : Auteur(s): A.J. Constable, S.G. Candy and B. Raymond (Australia)
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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 ... sum of the number of years in the catch series and this windfall ratio. Input information includes the ... : Depletion-corrected average catch: a simple formula for estimating sustainable yields in data-poor ...
Meeting Document : WG-SAM-11/P3 : Auteur(s): A.D. McCall
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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 ... ., Kawaguchi, S. Title: Interannual and seasonal variability of salp by-catch from Japanese krill fishery ...
Meeting Document : WG-EMM-97/37 : Auteur(s): Naganobu, M., Ichii, T., Kawaguchi, S.
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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 ... : Proposals of the Russian Federation on by-catch reporting in the longline toothfish fishery in the CCAMLR ...
Meeting Document : WG-SAM-16/24 : Auteur(s): Delegation of the Russian Federation