Résultats de la recherche

1. Is toothfish catch correlated with the catch of vulnerable benthic invertebrate taxa?

   benthic invertebrate catch rates at a longline segment level. Analysis of the data available showed no ... Abstract:  Accurate estimation of the true impact of bottom fishing on vulnerable marine ... ecosystems (VMEs) requires knowledge of the distribution of those communities relative to the fishing ... study used the catch of the six most common vulnerable invertebrate taxa reported by observers on New ...

   Meeting Document : WG-EMM-10/27 : Auteur(s): S.J. Parker and M.H. Smith (New Zealand)

2. An exploratory fishing expedition for Dissostichus eleginoides around the South Sandwich Islands, Antarctica

   Abstract:  An exploratory fishing survey was undertaken around the South Sandwich Islands (FAO ... Subarea 48.4), to establish the presence and abundance of the Patagonian Tootfish Dissostichus eleginoides ... with a view to opening a new fishery under the auspices of the Commission for the Conservation of ... Antarctic Marine Living Resources (CCAMLR). The survey was undertaken by the Chilean long-liner B/F Friosur ...

   Meeting Document : SC-CAMLR-XII/BG/04 : Auteur(s): Delegations of Chile and United Kingdom

3. Revised research plan for the exploratory longline fishery for Dissostichus spp. in Statistical Subarea 88.3 in 2015/16

   & WG-FSA-12/13). It was also noted that no tagged fishes were recaptured during the previous ... recapture. it was further noted that there was no research activities more than two consecutive years in the ... Abstract:  The subarea 88.3 is a large area contained from 105°W to 70°W where has been closed to ... directed fishing following the results of a Chilean survey activities in 1998 (SC-CCAMLR-XVII/BG/7 ...

   Meeting Document : WG-FSA-15/65 : Auteur(s): Delegation of the Republic of Korea

4. Krill distribution related to water structure and dynamics on the South Georgia shelf in January 2000 (AtlantNIRO-BAS Core Programme 1999/2000)

   distribution were carried out in two standard boxes on the shelf and slope northwest and northeast of South ... each box. Krill were distributed rather evenly throughout both boxes, but no dense concentrations were ... apparent. In the western box krill density was nearly 0.2 glm3 and in the eastern box was 1.8- 4.7 glm3 ... • Juvenile krill of 30-36 mm length were observed in the shelf zone and larger specimens, including spawning ...

   Meeting Document : WG-EMM-00/51 : Auteur(s): V.A. Sushin (Russia), P.P. Chernyshkov (Russia), F.F. Litvinov (Russia), J.L. Watkins (United Kingdom) and A.S. Brierley (United Kingdom)

5. Revised growth and length-weight parameters for Antarctic toothfish in the Ross Sea region (881 & 882AB)

   Abstract:  We update the estimates of the growth and length-weight parameters for Antarctic ... toothfish (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs 88.2AB). We present revised ... estimates of the von Bertalanffy growth curves, estimates of mean length at age using maximum likelihood ... estimation (MLE), and the length-weight relationship based on available CCAMLR SISO data collected from ...

   Meeting Document : WG-FSA-2019/11 : Auteur(s): A. Dunn and S. Parker

6. Revised proposal for a dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru

   carried out by Japanese research vessel, Kaiyo-maru. No krill biomass has been estimated in the Division ... of krill biomass to update B 0 in the division and (2) oceanographic observations in the area to ... detect long term changes if any. The krill survey (echosounder and RMT) and subsequent biomass estimation ... will follow the CCAMLR standard protocol. The survey is international oriented and a cumulative total ...

   Meeting Document : WG-EMM-18/17 : Auteur(s): H. Murase, K. Abe, R. Matsukura, H. Sasaki, T. Ichii and H. Morita

7. Killer whale Orcinus orca and sperm whale Physeter macrocephalus interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic

   slightly higher in the presence of sperm whales when compared to lines with no cetacean presence. It is ... longline fishing operations were recorded by CCAMLR (Commission for the Conservation of Antarctic Marine ... Living Resources) observers between 2000 and 2002 at South Georgia (Subarea 48.3) in the Southeast ... deployed in depths of 300 to 2000m, concentrated along the 1000m contour. Sperm whales were the most ...

   Meeting Document : WG-FSA-03/27 : Auteur(s): M.G. Purves (United Kingdom), D.J. Agnew (United Kingdom), E. Balguerías (Spain), C.A. Moreno (Chile) and B. Watkins (South Africa)

8. A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data

   since the late 1990s. No fishery-independent methods of monitoring stock abundance were plausible, and ... demonstrates the value of multi-year mark-recapture programs to estimate fish stocks even where no fishery ... Paper Title:  A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross ... longline fishery for Antarctic toothfish (Dissostichus mawsoni) has been carried out in the Ross Sea region ... parameters used in the model are summarised in Table 1. observations Data quality In 2013, there were no ... RSR. For example, there were no fishery-independent surveys of the fished stock, as opposed to other ... residuals. MCMC results Trace plots showed no evidence of poor convergence in the key biomass parameters ... was tested, as a proxy for assum- ing that no cryptic biomass was allowed in the model. It was only ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Auteur(s): Mormede, S., A. Dunn and S.M. Hanchet

9. Integrated research proposal for Dissostichus spp. in Subarea 88.3 by the Republic of Korea, New Zealand and Ukraine

   northern seamount complexes and two boxes on the continental shelf, where no research has occurred ... the proposal in 2017. The joint research proposal was for 3 years covering the period 2017/18, 2018/19 ... blocks where tagged fish have previously been released on the slope, while also prospecting two of the ... . Following a proposal from the Ukraine to join the research plan in 2018, the Scientific Committee requested ...

   Meeting Document : WG-SAM-2019/02 : Auteur(s): Delegations of the Republic of Korea, New Zealand and Ukraine

10. Decadal trends in the South Georgia demersal fish assemblage

    shelf. There was no detectable change in species composition across the region over three decades. Eight ... shelf show no consistent trends between species. There is evidence of increasing biomass in the marbled ... on the Shag Rocks and South Georgia Shelf region between 1986 and 2013. Consistent hotspots of fish ... biomass were seen across survey years. Species counts were highly variable across the shelf region and ...

    Meeting Document : WG-FSA-13/26 : Auteur(s): M. Belchier (United Kingdom)

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