Résultats de la recherche
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A feedback management strategy for the krill fishery in Subarea 48.1
Abstract: We present a Stage-2 strategy for in-season feedback management (FBM) of the krill ... to the WG-EMM in 2015 and is based on a broad foundation of work undertaken to address a suite of ... action items specified by the WG-EMM. A decision rule to adjust catches in groups of SSMUs (gSSMUs) is ... consistent with the agreed definition of a Stage-2 strategy, and we advocate that it be trialed in real life ...
Meeting Document : WG-EMM-16/48 : Auteur(s): G.M. Watters, J.T. Hinke and C.S. Reiss
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Proposal for multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
major reporting and review years in non-stock-assessment years. Based on the outcomes of the approach to ... review the locations of research blocks presented in WG-SAM-18/17, research blocks will be retained in ... to the identification of vulnerable marine ecosystem (VME) indicator species (Maschette et al. 2017 ... , based on the low risk profile of this fishery and to allow more time for review by Working Groups of ...
Meeting Document : WG-FSA-18/59 : Auteur(s): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Research concept on catchability to study toothfish abundance/stocks in the Antarctic marine areas
Abstract: Main two methods, which are used for the estimation of abundance/stocks of toothfish in ... assumptions, which sometimes broaden too much the possible values of the calculated parameters. The authors ... abundance/stocks in the Antarctic marine areas Microsoft Word File: sam-18-19.doc Approval: Approved ... the Antarctic marine areas, are the method based on tag recaptures and the method grounding on the ...
Meeting Document : WG-SAM-18/19 : Auteur(s): K. Demianenko, L. Pshenichnov, O. Diripasko and V. Gurianov
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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 ... fisheries are reviewed, highlighting in turn the activities of environmental and industry non-governmental ... Fisheries, adopted by the Food and Agriculture Organization of the United Nations in June 1999, has much ... -governmental bodies where appropriate) to implement national plans of action in a way that would solve the ...
Meeting Document : WG-FSA-99/6 : Auteur(s): J. Cooper (South Africa), J.P. Croxall (United Kingdom) and K.S. Rivera (USA)
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Simulations to evaluate model performance for Antarctic toothfish stock assessment in the Amundsen Sea region
(preliminary recaptures) in 2017. The aim of this paper is to ascertain when the Amundsen Sea region stock ... in estimates of biomass, the likely biases, and to set expectations for mark-recapture data for the ... models showed that using two independent models lead to higher estimates of biomass in the North and ... lower estimates of biomass in the South, but that the two independent models fitted the data poorly ...
Meeting Document : WG-SAM-17/40 : Auteur(s): S. Mormede and S. Parker
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Revised assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990–2014
status assessments of Dissostichus eleginoides in the research block 58.4.4b_1 in the last WG-SAM meeting ... in the revised OB_1b model were estimated to be 71 tonnes, which corresponded 43 % of that (163 ... tonnes) in the same model of the last WG-SAM report. The median MCMC estimates of the initial and current ... . Any harvest level lead to the CCAMLR risk 2 value > 50% in the beginning of 35 year projection ...
Meeting Document : WG-FSA-15/23 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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An integrated stock assessment for the Crozet Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Subarea 58.6
than the one obtained in 2017, with an estimate of 54 610 tons (48 560-60 880). The estimate of the ... (Dissostichus eleginoides) fishery of the Crozet Islands, CCAMLR sub-area 58-6, with data up to the end of the ... season 2018/2019 (End of August 2019). This updated assessment model is based on the best available data ... data that account for fish removals (fishing mortality and depredation) and support the estimation of ...
Meeting Document : WG-FSA-2019/57 Rev. 1 : Auteur(s): F. Massiot-Granier, G. Duhamel and C. Péron
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An integrated stock assessment for the Kerguelen Island EEZ Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.1
B0 than the one obtained in 2017, with an estimate of 206 200 tons (CI: 194 130 – 218 380). The ... (Dissostichus eleginoides) fishery of the Kerguelen Islands EEZ, CCAMLR Division 58.5.1. It includes commercial ... fishery data up to the end of the season 2018/2019 (end of August 2019). The updated assessment model is ... support the estimation of year class strenght (YCS) and selectivity functions. Compared to the previous ...
Meeting Document : WG-FSA-2019/58 : Auteur(s): F. Massiot-Granier, G. Duhamel and C. Péron
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Cameras installation by Ukraine at the Galindez, Petermann and Yalour Islands penguin colonies – CEMP Fund project ‘Establishing a CEMP Camera Network in Subarea 48.1’
Network in Subarea 48.1'. Work has been provided under support of the National Antarctic Scientific ... and chronology. Cameras have been installed in the middle of breeding season due to late arrival and ... hard ice conditions in Argentine Islands area. In time of cameras establishing in all colonies the ... next season in 2016/2017. The training of winterers-biologists has been provided for CEMP rules ...
Meeting Document : SC-CAMLR-XXXV/BG/27 : Auteur(s): Delegation of Ukraine
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Commercial fishing vessel as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
Abstract: The climate-induced changes presently seen in the ecosystems of Antarctic region ... require a precautionary approach with respect to the human use of these ecosystems. In particular ... the harvested stocks and their ecosystems. In this paper we describe the potential of using commercial ... impacts on the harvested stocks as well as the associated ecosystem. Due to the vastness and remoteness of ...
Meeting Document : WG-EMM-13/15 : Auteur(s): O.R. Godø (Norway), C. Reiss (USA), V. Siegel (Germany) and J.L. Watkins (United Kingdom)