Résultats de la recherche
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Study on reproductive biology of Champsocephalus gunnari, Chaenocephalus aceratus and Pseudochaenichthys georgianus from South Georgias and Shag Rocks, Dr Eduardo Holmberg survey – May 2013
Abstract: The reproductive biology of C.gunnari, C. aceratus and P.georgianus was studied on ... samples taken around South Georgias and Shag Rocks. The macroscopic analysis indicated the presence of ... totally mature females of three species (with hydrated oocytes). C. gunnari, C. aceratus and P. georgianus ... This not only confirms the spawning time of C.gunnari in South Georgias and Shag Rocks, but also ...
Meeting Document : WG-FSA-13/59 : Auteur(s): M.I. Militelli, G.J. Macchi and K.A. Rodrigues (Argentina)
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Species identification illustrated guide of the Southern Ocean - CCAMLR convention area 48, 58, and 88
Abstract: The purpose of this species identification illustrated guide is to facilitate by-catch ... species identification with real photographs in the Southern ocean. All of the photographs provided in ... superba) and longliner (Target species: Dissostichus spp.) of commercial fishery purposes in the Southern ... ocean. The author welcome notification of any errors or possible improvement to this publication ...
Meeting Document : WG-EMM-15/06 : Auteur(s): Delegation of the Republic of Korea
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Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2014–15
Abstract: We provide an update of the descriptive analyses of the toothfish tagging programme in ... Subareas 88.1 and 88.2 through the 2015 season. A total of 44 827 Antarctic toothfish have been released ... years, most vessels have achieved or exceeded the required tagging rate of one toothfish per tonne of ... distance from their point of release, typically less than 100 km. However, a small proportion of tagged ...
Meeting Document : WG-FSA-15/37 : Auteur(s): S.J. Parker and S. Mormede (New Zealand)
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A simulation study of krill fishing by an individual Japanese trawler
Paper Title: A simulation study of krill fishing by an individual Japanese trawler Abstract ... / Description: A model is set up for the operation (which includes both searching and fishing) of a Japanese ... parameters are determined primarily from the scientific FIBEX surveys. Output from the model of the operation ... is compared with (and partially tuned to) statistics for a sample of data from the commercial fishery ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 1–108 : Auteur(s): Butterworth, D.S.
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Diet composition of Antarctic toothfish caught in Divisions 58.4.1 and 58.4.2 in 2014/15 inferred from fatty acid stable isotope analyses
determined. Sampling efforts were made during a longline survey of pre-recruit toothfish from commercial ... muscle tissue of Antarctic toothfish, bycatch specimen and icefish in the stomachs indicated a trophic ... connection between the toothfish and icefish. In this study, similarities in the δ13C values δ15N values of ... Antarctic toothfish indicate they occupy same trophic position irrespective of the area, body size, sex, and ...
Meeting Document : WG-EMM-16/31 : Auteur(s): Delegation of the Republic of Korea
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Updating the 2017 stock assessment of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
88.2AB) will be updated in 2017. The introduction of CM 91-05 (the Ross Sea region Marine Protected Area ... ) will require modifications to the previous method the estimation of catch splits in the calculation of ... may result from the implementation of the Ross Sea region MPA. An update of the 2015 stock assessment ... is proposed for the 2017 stock assessment which will maintain the current structure of the model ...
Meeting Document : WG-SAM-17/41 : Auteur(s): S. Mormede and S. Parker
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Impacts of rising sea temperature on krill increase risks for predators in the Scotia Sea
minimally realistic ecosystem model to examine how projected effects of ocean warming on the growth of ... Antarctic krill, Euphausia superba, might affect populations of krill and dependent predators (whales ... effects of ocean warming on krill biomass were strongest in the northern Scotia Sea, with a ≥ 40% decline ... in the mass of individual krill. Projections also suggest a 25% chance that krill biomass will fall ...
Meeting Document : WG-EMM-18/P02 : Auteur(s): E.S. Klein, S.L. Hill, J.T. Hinke, T. Phillips and G.M. Watters
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“Sailbuoy for krill” – a concept for autonomous commercial and scientific monitoring of the krill fishing in Antarctica
Abstract: Science based management of krill suffers from limitation of time-space information in ... distribution dynamics. Similarly, the industry burns unnecessary amounts of oil in long range searching of ... fishable biomass due to lack of density distribution information. In this paper, we demonstrate that new ... – science partnership in collecting environment and krill distribution data independent of vessel ...
Meeting Document : WG-EMM-18/15 : Auteur(s): O.R. Godø, G. Pedersen, D. Peddie, G. Skaret, A. Lowther, F. Grebstad and A. Lohrmann
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Analyses of illegal, unreported and unregulated (IUU) fishing activities in Divisions 58.4.1 during the 2013/14 season and 58.4.3b during the 2014/15 season
Abstract: Following Operation Sparrow 2, WG-FSA-17 noted the unprecedented availability of catch ... by an NGO vessel. As requested in WG-FSA-17 paragraph 2.16, this document provides an analysis of the ... spatio-temporal distributions of catch and effort by the Chang Bai, Nihewan and Jiangfeng in Division ... 58.4.1E and caught a total of 792 tonnes of toothfish. Daily catch rates were similar between IUU and ...
Meeting Document : WG-FSA-18/60 : Auteur(s): Delegation of Australia and CCAMLR Secretariat
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IMPROVEMENT OF KRILL FISHING NOTIFICATION ACCURACY THROUGH NOTIFICATION FEES
Abstract: Improvement of krill fishing notification accuracy through notification fees Delegation ... of the United States The Commission adopted notification procedures for krill fishing in 2005. These ... krill fishing for the coming season. However, grossly inaccurate estimations of krill catch provided in ... valuable time is spent on analyses that are of limited use due to their inherent inaccuracies. The ...
Meeting Document : CCAMLR-XXIX/34 : Auteur(s): Delegation of the USA