Résultats de la recherche
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Further analysis of spatial patterns of benthic invertebrate habitats from fishery bycatch in the Ross Sea region
presence of VME taxa bycatch are identifiable, as are several areas of dense fishing effort with no ... evidence of VME taxa. Identifiable sponge and/or gorgonian habitats occurred at a typical scale of 10-30 km ... , but were at larger scales. Spatial analysis of these data allows the detectability of prevalent taxa ... to be estimated, along with changes in catch rate at different levels of observed bycatch. Results ...
Meeting Document : WG-FSA-10/30 : Auteur(s): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)
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Abundance and reproductive distribution of Pygoscelids sp. in the northern area of Danco Coast, Antarctic Peninsula
Abstract: Studies related to the abundance and reproductive distribution of marine birds have the ... potential to act as ecological indicators. The western Antarctic Peninsula is one of the three sites in the ... world with some of the clearest signals of climate warming. The aim of this study was to monitor the ... distribution and abundance of breeding populations of chinstrap penguin (Pygoscelis antarctica) and gentoo ...
Meeting Document : WG-EMM-12/58 : Auteur(s): M.M. Santos, E.F. Rombolá, D. González-Zevallos, M.A. Juáres, J. Negrete and N.R. Coria (Argentina)
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Diet and trophic niche of Macrourus spp. (Gadiformes, Macrouridae) in the Ross Sea region of the Southern Ocean
Sea region at depths between approximately 500 and 2100 m. We present the analysis of stomach contents ... (including regurgitated stomach contents) from an undifferentiated mixture of 33 specimens of these species ... (henceforth Macrourus spp.) in the Ross Sea region of the Southern Ocean. Samples of stomach contents were ... . Overall, amphipods were the dominant prey found in Macrourus spp. stomachs with an index of relative prey ...
Meeting Document : WG-EMM-12/P03 : Auteur(s): M.H. Pinkerton, J. Forman, D.W. Stevens, S.J. Bury and J. Brown
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Results of a CCAMLR-sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... endorsed a proposal to carry out this work once the fishery had closed at the end of the 2011/12 season ... . The survey had two main objectives: (i) To establish the feasibility of developing a time series of ... longline surveys to monitor pre-recruit (<100 cm TL) toothfish in the south of SSRUs 881.J and 881.L in ...
Meeting Document : WG-FSA-12/41 : Auteur(s): S.M. Hanchet, S. Mormede, S. Parker, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)
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An overview of the elasmobranch fish of the Southern Ocean
Abstract: This review summarises current knowledge of the elasmobranch fish occurring in the ... Antarctic and sub-Antarctic waters of the CCAMLR area. About 14–15 species of elasmobranch have been ... recorded, with skates (Rajiformes) the most speciose order. Two genera of skates are known (Amblyraja and ... Bathyraja), although the current taxonomic knowledge of some species or species-groups is incomplete. Five ...
Meeting Document : WG-FSA-13/28 : Auteur(s): J.R. Ellis, S.R. McCully, V.V. Laptikhovsky and R. Scott (United Kingdom)
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Plan of research program of the Ukraine in Subarea 48.2 in 2016 (second season)
research activities on the assessment of the stock state of the Dissostichus spp species in subarea 48.2 ... will be carried out within three years. Implementation of the tagging program in the long-term ... prospective will provide the indicators for the procedure of abundance assessment of the studied species in ... certain number of the following bottom long line surveys are proposed to be conducted during March-April ...
Meeting Document : WG-FSA-15/45 : Auteur(s): Delegation of Ukraine
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Estimation and correction of migration-related bias in the tag-based stock assessment of Patagonian toothfish in Division 58.5.2
Abstract: Migration has the potential to violate the assumptions of tag recapture models used in ... the assessment of toothfish stocks. Evaluating the potential bias introduced into stock assessments ... and tag-based biomass estimates when the distributions of tagged fish, fishing effort and the ... underlying stock distribution are spatially heterogeneous is currently one of the highest priorities of the ...
Meeting Document : WG-SAM-17/11 : Auteur(s): P. Burch, P. Ziegler, D. Welsford and C. Péron
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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
–883_5. Due to extreme ice conditions covering the southern part of 88.3, the Janas (NZL) was not able to ... conduct its part of the survey. The total catch of D. mawsoni was 38,856 kg comprised of 1,380 individuals ... in blocks 883_3 and 883_4 showed similar values of 0.1369 and 0.1466 kg/hook, research block 883_5 ... per tonne and 72%. The length frequency of D. mawsoni exhibited a bimodal distribution with modes near ...
Meeting Document : WG-SAM-18/05 : Auteur(s): Delegations of the Republic of Korea and New Zealand
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On possible influence of continuous krill fishing technology with the use of ‘air-bubbling suspension system’ on ecosystem elements
, accompanied by introduction of highly intensive fishing and processing technologies call for studying the ... fishery influence on ecosystem components beyond the framework of traditional investigations of predator ... of studying the krill fishing technology. It is just trawl design and fishing method that will ... determine catchability, selectivity and ecological compatibility of the gear during the fishery and ...
Meeting Document : WG-EMM-06/27 : Auteur(s): S.M. Kasatkina and V.A. Sushin (Russia)
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Report of ACAP Working Group on Status and Trends Agreement on the Conservation of Albatrosses and Petrels – Status and Trends Working Group
Abstract: 1. The first Session of the Meeting of the Parties (MOP1) of the Agreement on the ... Conservation of Albatrosses and Petrels (ACAP) agreed to review the population status, trends and demography of ... albatrosses (21 species) and petrels (seven species) listed on Annex 1 of the Agreement (MOP1 Final Report ... aim of collecting and collating information on breeding numbers and critical population and ...
Meeting Document : WG-FSA-06/40