Résultats de la recherche
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Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2016-2019
Abstract: Russian Federation is going to continue investigation for toothfish in Ross Sea in ... implementation of the previous research program took place in 2010-2012 fishing seasons and investigate resource ... continental slope within the Subarea 88.2 A. This document proposes multinational research in Subarea 88.2 A ... and life cycle of Dissostichus species from the Subarea 88.2 A in 2016-2019 Microsoft Word File: fsa ...
Meeting Document : WG-FSA-16/16 Rev. 1 : Auteur(s): Delegation of the Russian Federation
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2016 random stratified trawl survey
Abstract: The annual Random Stratified Trawl Survey was undertaken in Division 58.5.2 in the ... the population. These projections indicate that catches of 561 t in the 2016/17 season and 402 t in ... : A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on ...
Meeting Document : WG-FSA-16/26 : Auteur(s): D. Maschette and D. Welsford
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The krill maturity cycle: a conceptual description of the seasonal cycle in Antarctic krill
Abstract: A long term study on the maturity cycle of Antarctic krill was conducted in a research ... aquarium. Antarctic krill were either kept individually or in a batch for 8 months under different ... observed. In all cases regression and re-maturation of external sexual characteristics were observed, but ... there were differences in length of the cycle and intermoult periods between the experimental conditions ...
Meeting Document : WG-EMM-06/23 : Auteur(s): S. Kawaguchi, T. Yoshida, L. Finley, P. Cramp and S. Nicol (Australia)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B ... reference case resulted in a much higher estimate of initial biomass, though this appeared to be almost ... better explain these data resulted in estimates of initial and current biomass that were very similar to ... those presented in 2005. The inclusion of the 2005 tag-release and the 2006 tag-recapture data had a ...
Meeting Document : WG-FSA-06/60 : Auteur(s): A. Dunn and S.M Hanchet (New Zealand)
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
tag placements and recapture effort, on bias in the Petersen estimate. It does so by constructing a ... encountered a high CPUE box and upwards in a low CPUE box so that they were retained in high CPUE boxes. The ... distribution of tags and/or fishing effort; by ideal we mean that either tagging or fishing effort was in ... concentrated away from tag concentrations, or overly concentrated in them, the Petersen estimator either over ...
Meeting Document : WG-FSA-SAM-05/6 Rev. 1 : Auteur(s): D.J. Agnew, G.P. Kirkwood, J. Pearce and J. Clark (United Kingdom)
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Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3
Abstract: At WG-EMM in Siena, 2004, the UK reported on the bycatch of fur seals in the krill ... fur seal deaths in the fishery. WG-EMM requested the UK to provide further details of the methods ... gazella) entanglements on krill vessels fishing around South Georgia in the 2004 fishing season. The ... fishing for krill in CCAMLR Subarea 48.3 Approval: Approved ...
Meeting Document : WG-FSA-04/83 : Auteur(s): J. Hooper, J.M. Clark, C. Charman and D. Agnew (United Kingdom)
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Changes to seabird avoidance regulations in Alaska demersal longline fisheries based on scientific research on effectiveness of mitigation measures
existing regulations for seabird avoidance measures required in the groundfish and halibut demersal ... Washington Sea Grant Program (WSGP) on the effectiveness of seabird avoidance measures in the longline ... report. The report, “Solutions to Seabird Bycatch in Alaska’s Demersal Longline Fisheries”, is available ... at http://www.wsg.washington.edu/pubs/seabirds/seabirdpaper.html and was submitted to CCAMLR in 2001 ...
Meeting Document : WG-FSA-02/53 : Auteur(s): K.S. Rivera (USA)
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Solutions to seabird by-catch in Alaska’s demersal longline fisheries
and 2000) in 2 major Alaska demersal longline fisheries: the Gulf of Alaska /Aleutian Island ... abundance, attack rate, and hooking rate of seabirds in both fisheries. Based on our results, we recommend a ... the most comprehensive solution. Paired streamer lines successfully reduced seabird bycatch in all ... we saw orders of magnitude variation in bycatch across years and in the case of the sablefish fishery ...
Meeting Document : WG-FSA-01/35 : Auteur(s): E.F. Melvin, J.K. Parrish, K.S. Dietrich and O.S. Hamel (USA)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Bird Island, South Georgia during the 1998 winter and 1998/99 pup-rearing season
here. The number of seals observed entangled in the winter (13) represented an 86 % increase on the ... records started. Two animals (15 %) were entangled in polypropylene straps, down by 50 % on the 1997 ... entangled in the summer (24) was the fourth lowest total recorded, being 84 % more than the 1997/8 summer ... . Entanglements in polypropylene straps was the third lowest recorded, up 29% on 1997/98 but 93% less than the ...
Meeting Document : SC-CAMLR-XVIII/BG/05 : Auteur(s): Delegation of the United Kingdom
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Finfish by-catch in the krill fishery for the 2010 and 2011 seasons
, that may go undetected in larger samples, are recorded using a sorting method with a standard sub ... -catch. This paper uses data collected using the fish sampling protocol (K12) during 2010 and 2011 in ... order to estimate finfish by-catch in the krill fishery. The information regarding by-catch of finfish ... in the krill fishery is limited and 2010 was the first year when the simplified sub-sampling method ...
Meeting Document : WG-FSA-11/05 : Auteur(s): Secretariat