Résultats de la recherche
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Proposal to allow daytime setting of longlines between 15 and 30 April in the Patagonian toothfish longline fishery in CCAMLR Statistical Division 58.5.2
extension period (15–30 April) in the Patagonian toothfish longline fishery in CCAMLR statistical division ... 58.5.2. It notes that significant fishing effort has occurred in the pre-season extension period, by ... both of the longline vessels that operate in this fishery and in several seasons, and that no birds ... longlines between 15 and 30 April in the Patagonian toothfish longline fishery in CCAMLR Statistical ...
Meeting Document : WG-IMAF-11/07 : Auteur(s): I. Hay (Australia)
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Proposal to continue the time series of CCAMLR-sponsored research surveys to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea in 2015
presented. The survey will focus on estimating relative abundance in the core strata (A, B, C) in SSRUs 88.1 ... J and 88.1L. It will also carry out 15 exploratory sets in a newly defined stratum K in Terra Nova ... Bay. Survey timing and methods will remain the same as in previous years, and the number of sets will ... research surveys to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea in 2015 ...
Meeting Document : WG-SAM-14/25 : Auteur(s): S.M. Hanchet, S.J. Parker and S. Mormede (New Zealand)
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A spatial analysis of CEMP data in Area 48 to support work on feedback management in the krill fishery
Abstract: CEMP data from different sites in Area 48 were used to compare patterns of inter-annual ... been collected at an individual site reflect changes in the marine ecosystem. Correlations between ... inter-annual variability of sites in Subreas 48.1 showed an increased level of concordance in the period ... since 2008. Further expert review of the CSIs from individual sites would be helpful in further ...
Meeting Document : WG-EMM-16/09 : Auteur(s): CCAMLR Secretariat
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Progress report on the joint research for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand and notification of research in 2018/19
Abstract: The scientific survey was conducted by the Greenstar (KOR) in the research block 883_3 ... in blocks 883_3 and 883_4 showed similar values of 0.1369 and 0.1466 kg/hook, research block 883_5 ... was extremely low showing 0.0273 kg/hook. Tagging rate and tag overlap in Subarea 88.3 were 5.2 fish ... 47.8%, 28.1%, and 25.6% in the areas of 883_3, 883_4, and 883_5, respectively. To get biological ...
Meeting Document : WG-SAM-18/05 : Auteur(s): Delegations of the Republic of Korea and New Zealand
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Rajid by-catch in the longline fishery for toothfish in Subarea 48.3
Abstract: In response to concern about rajid bycatch in CCAMLR finfish fisheries, we conducted a ... preliminary analysis of data collected by UK scientific observers on vessels fishing toothfish in Subarea 48.3 ... vessels, areas, and depths in Subarea 48.3. Some vessels, fishing on the northern shelf edges of both Shag ... frequently found on hooks were R. georgiana and B. murrayi. R. georgiana was found in all areas, B. murrayi ...
Meeting Document : WG-FSA-99/40 : Auteur(s): D.J. Agnew, J. Taylor and I. Everson (United Kingdom)
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Results of scientific observation in Antarctic krill fishery in 2010/11: I. state of observer deployment and data collection
protocol and data collection in krill fisheries in 2010/11. All the 12 krill fishing vessels that operated ... in 2010/11 deployed scientific observers in accordance with the agreed systematic coverage. The ... observer allocation covered all the months and Subareas in which fishing operations were conducted. However ... current state of data collection, mere extension of the observer coverage may not result in the ...
Meeting Document : WG-EMM-12/65 : Auteur(s): M. Kiyota and T. Okuda (Japan)
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Assessment of incidental catches of seabirds in the French EEZ included in Division 58.5.1 and Subarea 58.6
incidental avian mortality by half in the French EEZ included in the statistic division and subarea 58.5.1 ... evolution of avian mortality between 2007 and 2013, ongoing studies and research in the nature reserve of ... monitoring in the Southern French Islands, supervised by the national nature reserve created in 2006 ... . Author(s): C. Marteau (France) Title: Assessment of incidental catches of seabirds in the French EEZ ...
Meeting Document : WG-FSA-13/06 : Auteur(s): C. Marteau (France)
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Pop-off Satellite Tagging in the Ross Sea Region in 2016
Abstract: In 2016, the USA and New Zealand began a collaborative initiative to describe Antarctic ... toothfish (Dissosticus mawsoni) movement and habitat preferences in the Ross Sea (Subarea 88.1) using pop ... -off satellite archival tags (PSAT) tags. Fish were tagged as part of research longline efforts in the ... southern Ross Sea shelf in the austral summer, and 5 PSAT tags were released on the northern seamounts in ...
Meeting Document : WG-FSA-16/57 : Auteur(s): C.D. Jones, S.J. Parker, A. Dunn, D. Di Blasi and D. Stevens
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Estimation of tag-loss rates for tagged fish in the Patagonian toothfish (Dissostichus eleginoides) fisheries at Heard Island and McDonald Islands in Division 58.5.2
Abstract: Tag-loss or tag-shedding rates for tagged fish in the Patagonian toothfish ... (Dissostichus eleginoides) fisheries at Heard Island and McDonald Islands (HIMI) in Division 58.5.2 were ... fish. With an initial tag-loss proportion of 2.8% and ongoing tag-loss rate of 0.056 in the longline ... . The parameter of annual tag-loss rate in CASAL’s single-tag model was approximated, for a maximum time ...
Meeting Document : WG-FSA-17/21 : Auteur(s): P. Ziegler
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On acceptable scattering of longlines geo-referencing in the toothfish fishery in the CAMLR Convention Area
toothfish in the Convention Area are discussed. Cases of differences in the coordinates of settings and ... haulings are considered. The estimation of the maximum possible variation of the coordinates in the depths ... haulings increases in the areas with large depths and high velocities of sea currents in the high seas. The ... acceptable scattering of longlines geo-referencing in the toothfish fishery in the CAMLR Convention Area ...
Meeting Document : WG-SAM-2019/22 : Auteur(s): O. Krasnoborodko