Resultados de la búsqueda
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2006–2013 fish distribution and biomass in the Kerguelen EEZ (CCAMLR DIVISION 58-5-1) for the bathymetric range 100–1 000 m
” repeating the same random and stratified sampling stations in the bathymetric range 100 – 1000 m. Data on ... the bathymetric and geographical fish distribution are available for 19 bottom-dwelling species (13 ... neritic and 6 deep-sea for their upper bathymetric range). The high number of stations (up to 200 each ... for a ground area of about 183 000 km 2. Patagonian toothfish (Dissostichus eleginoides), with up to ...
Meeting Document : WG-FSA-14/07 : Autor(es): G. Duhamel, M. Hautecœur and R. Sinegre (France)
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A feasibility study for stock assessment of D. mawsoni in the Ross Sea (Subares 88.1 and 88.2) using a tag and recapture experiment
Abstract: This paper reports on a feasibility study into a tag and recapture experiment for the ... purpose of stock assessment of the Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea. An ... exploratory fishery for D. mawsoni has been operating since 1997-98. Catches have increased from ~40 t in 1997 ... event. It is proposed to continue tag releases each season as part of the exploratory fishery for the ...
Meeting Document : WG-FSA-SAM 03/10 : Autor(es): K.J. Sullivan, N.W.McL. Smith, J. McKenzie and S.M. Hanchet (New Zealand)
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Further development of a spatially explicit population dynamics operating model for Antarctic toothfish in the Ross Sea region
Abstract: We present an optimised spatially explicit age-structured population dynamics operating ... model for Antarctic toothfish over the entire Ross Sea region, for a medium scale spatial resolution ... spawning (based on GSI data), CPUE, and tag-release and tag-recapture observations. Estimates of parameters ... younger fish were found predominantly in southern areas of the Ross Sea shelf, mature fish on the slope ...
Meeting Document : WG-SAM-13/35 : Autor(es): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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A review of rattail (Macrourus spp.) and skate by-catch and analysis of standardised CPUE, for the exploratory fishery in the Ross Sea (CCAMLR Subareas 88.1 and 88.2) from 1997/98 to 2004/05
bycatch, and completion of the L11 form on the fate of skates for all sets. Author(s): S.L. Ballara and ... rattails (Macrourus spp.) and skates in the exploratory fishery for toothfish in the Ross Sea (CCAMLR ... Subareas 88.1 & 88.2). The analysis was based on fine-scale haul-by-haul (C2) data and observer data ... , 88.1I, 88.1K and 88.2E) in depths from 600 to 1000 m, and there was an order of magnitude difference in ...
Meeting Document : WG-FSA-05/24 : Autor(es): S.L. Ballara and R.L. O’Driscoll (New Zealand)
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2006/07 season
lower recapture rate by non-New Zealand vessels, particularly in the early years. The reason for this is ... data for all vessels in all years were used, then the estimated initial biomass was higher (B0=110 130 ... Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B ...
Meeting Document : WG-FSA-07/37 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)
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FIELD IDENTIFICATION GUIDE TO HEARD ISLAND AND MCDONALD ISLANDS (HIMI) BENTHIC INVERTEBRATES: A GUIDE FOR SCIENTIFIC OBSERVERS ABOARD FISHING VESSELS
Abstract: At CCAMLR-XXVI the Working Group on Fish Stock Assessment (WG-FSA) noted a lack of ... specific reference material for the identification of benthic invertebrates in areas specific to which ... Committee requested that guides be prepared for the identification of benthic organisms (SC-CAMLR-XXVI ... to Heard Island and McDonald Islands (HIMI) benthic invertebrates: a guide for scientific observers ...
Meeting Document : SC-CAMLR-XXVIII/BG/12 : Autor(es): Delegation of Australia
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Updating the Antarctic krill biomass estimates for CCAMLR Subareas 48.1 to 48.4 using available data
, based on data from scientific nets and covering the years between 2000 and 2011. The annual biomass ... yield estimate for the krill fishery (which is 9.3%). Biomass indices from local scale acoustic surveys ... catch limit which is currently appropriate for achieving the conservation criteria for the krill stock ... adverse impacts on dependent and related populations which might occur if fishing is concentrated in ...
Meeting Document : WG-EMM-15/28 : Autor(es): S. Hill, A. Atkinson, C. Darby, S. Fielding (United Kingsom), B. Krafft, O.R. Godø, G. Skaret (Norway), P. Trathan, J. Watkins (United Kingdom)
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Review of the technical recommendations for the Patagonian toothfish fishery in order to minimize by-catch
) are based on objective criteria for assessing the vessels’ performance. These criteria comprise all ... Territories (TAAF). The TAAF relies on advice from several scientific institutions, in particular from the ... together socio-economic aspects and fishery history, steps implemented by each vessel to minimize avian ... mortality, initiatives for preserving the environment and the capacity to fish its own quota. The results ...
Meeting Document : SC-CAMLR-XXX/BG/10 : Autor(es): Delegation of France
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Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in the research blocks 58.4.2-1, 58.4.1-2, 58.4.1-3, 58.4.1-4, and 58.4.1-5 for the exploratory longline fishery in 2014/2015 of Korea
cm) The graphical method for feeding strategy revealed that D. mawsoni is an opportunistic and ... data and information to assess the robust stocks and deliberate proper measurements for sustainable ... as a part of Korean research plan for the exploratory longline fishery for Dissostichus spp. during ... 2014/2015 season. This study was carried out based on the results of stomach content identification of ...
Meeting Document : WG-FSA-15/57 : Autor(es): Delegation of the Republic of Korea
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The importance of sea ice association of Antarctic krill for transport and retention in the South Orkneys region: a modelling study
Orkney Islands lie in the seasonal sea ice zone. Sea ice is an important overwintering habitat for ... Abstract: The South Orkney Islands region is a key location for understanding the distribution of ... on the South Orkney plateau. We found that including sea ice-associated behaviour of krill in the ... model provides additional source regions for the South Orkney Islands krill population than when krill ...
Meeting Document : WG-EMM-2019/21 : Autor(es): S.E. Thorpe, E.F. Young, E.J. Murphy and A.H.H. Renner