Search results
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Revised proposal for the ongoing research plan on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21)
this research plan in 2015 and a joint proposal was submitted for the first time in 2016 (WG-SAM-16/06 ... and WG-FSA-16/33 Rev. 1) for a period of 5 years. The proposal submitted here has been substantially ... revised to address the concerns expressed at WG-FSA 2019 and SC-CAMLR-XXXVII (para. 3.158). We followed ... and improved the revised research plan presented in SC-CAMLR-XXXVII Annex 12 and redefined slightly ...
Meeting Document : WG-FSA-2019/64 : Author(s): Delegations of Japan and France
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Marine mammals and demersal longlines fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of the depredation level
vessels, catching Patagonian tooshfish in the Crozet and Kerguelen Exclusive Economic Zones, between 2003 ... and 2005. In Crozet waters, 71% of the 1308 longlines presented marine mammals interactions with ... killer whales and/or sperm whales. On the other hand, fur seals and/or sperm whales were present in 54 ... % of the 6262 longlines monitored in the Kerguelen waters. Interactions occurred over the whole fishing ...
Meeting Document : WG-FSA-06/63 : Author(s): C. Roche, N. Gasco, G. Duhamel and C. Guinet (France)
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Community Structure of copepods in epipelagic layers in the Ross Sea and neighboring waters
Abstract: During the 9th research cruise of the R/V Kaiyo-maru, copepod samples were collected ... from three layers between the surface and 200 m with RMT 8m2 along the three longitudinal lines in the ... identified and 8 unidentified taxa appeared in the study area. Samples were categorized into four major ... groups by cluster analysis based on species abundance and composition. Group 1 located in the north of ...
Meeting Document : WG-EMM-08/36 : Author(s): Y. Watanabe, S. Sawamoto, T. Ishimaru and M. Naganobu (Japan)
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OTOLITH CHEMISTRY REFLECTS FRONTAL SYSTEMS IN THE ANTARCTIC CIRCUMPOLAR CURRENT
Abstract: Pronounced environmental trends across fronts suggest that the otolith chemistry of ... spatial scales. Trace and minor elements laid down immediately prior to capture – along the edges of ... otoliths from Patagonian toothfish Dissostichus eleginoides – discriminated frontal zones in the Antarctic ... Circumpolar Current in the Southwestern Atlantic Ocean. Mean values differentiated sampling areas by up to 2.6 ...
Meeting Document : WG-FSA-08/P04 - Abstract : Author(s): J.R. Ashford, A.I. Arkhipkin and C.M. Jones
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
around the coasts of the South Shetland and South Orkney Islands. Krill catches in these zones are shown ... , probably as a result of more variable hydrographic conditions. About 50% of the catch in Subarea 48.1 from ... December to March was taken within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 ... and 1988 75% of the catch in Subarea 48.2 between December and March was taken within 80 km of ...
Meeting Document : WG-KRILL-92/19 : Author(s): D.J. Agnew (Secretariat)
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Towards a Minimum Realistic Model for investigating trophic relationships between Antarctic toothfish and demersal fish in the Ross Sea, Antarctica
in the Ross Sea, Antarctica. These demersal fish are known to form a part (in some cases a ... substantial part) of the diet of Antarctic toothfish of a size commonly taken by the Ross Sea fishery and are ... also taken as bycatch by the fishery: (1) macrourids (especially Whitson’s grenadier, Macrourus ... , Antimora rostrata); and (4) eel (moray) cods (Muraenolepsis spp.). Changes to the abundance of Antarctic ...
Meeting Document : WG-SAM-10/21 : Author(s): M.H. Pinkerton, S. Mormede and S.M. Hanchet (New Zealand)
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Quantifying the escape mortality of trawl caught Antarctic krill (Euphausia superba)
Abstract: Antarctic krill (Euphausia superba) is an abundant fishery resource, the harvest levels ... of which are expected to increase. However, many of the length classes of krill can escape through ... commonly used commercial trawl mesh sizes. A vital component of the overall management of a fishery is to ... estimate the total fishing mortality and quantify the mortality rate of individuals that escape from ...
Meeting Document : WG-EMM-16/04 : Author(s): B.A. Krafft, L.A. Krag, A. Engås, S. Nordrum, I. Bruheim and B. Herrmann
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Preliminary biomass estimation of Antarctic krill based on the swarm-based method for CCAMLR Division 58.4.1 in 2018/19 using data obtained by Japanese survey vessel Kaiyo-maru
preliminarily estimated as 4.349 million ton (CV=54.8 %) based on the swam based method using data obtained by ... Kaiyo-maru. The point estimate was comparable with the estimate in 1996 by BROKE (4.83 million ton with ... different, (2) timing of the surveys were different (Kaiyo-maru survey commenced about 40 days earlier than ... especially in the western part of the Division. The CV of biomass estimate of Kaiyo-maru survey was high ...
Meeting Document : SG-ASAM-2019/02 : Author(s): K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu and H. Murase
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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’
Abstract: In the report, which is updated paper WG-EMM-16/55, we describe the season activity in ... the Ukrainian Vernadsky Antarctic Station area on installation CEMP cameras in penguin colonies as ... part of the CEMP project run by USA, Argentina, Poland and Ukraine 'Establishing a CEMP Camera ... Network in Subarea 48.1'. Work has been provided under support of the National Antarctic Scientific ...
Meeting Document : SC-CAMLR-XXXV/BG/27 : Author(s): Delegation of Ukraine
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Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island Plateau region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in May 2004
58.5.2 in the vicinity of Heard Island in May 2004 to provide the information for an assessment of short ... -term annual yield in the 2004/2005 CCAMLR season. This paper provides a preliminary assessment of yield ... for the area of Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods. It presents a ... range of sensitivity analysis for the assessment based on deliberations at WG-FSA 2003 with respect to ...
Meeting Document : WG-FSA-04/76 : Author(s): C.R. Davies, T. Lamb, A.J. Constable and R. Williams (Australia)