Résultats de la recherche

1. New Zealand’s exploratory fishery for toothfish within the SPRFMO Convention Area: update and future directions

   CCAMLR Area. At this stage, it is intended that a comprehensive proposal for the future of the ... Abstract:  The 2-year programme of exploratory fishing provided for by SPRFMO CMM 4.14 has been ... surveys provide information on the life history of Antarctic toothfish that is consistent with the current ... hypothesis on Antarctic toothfish growth and movement, and have provided the some of the first empirical ...

   Meeting Document : SC-CAMLR-XXXVI/BG/18 : Auteur(s): M. Cryer, A. Dunn and J. Fenaughty

2. Trends in mean lengths and selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3

   Abstract:  At its last meeting, WG-FSA noted a declining trend in the mean lengths of toothfish ... of fish taken on individual longline sets from which length frequencies were sampled by observers and ... also that this trend was halted in 2000. A GLM analysis of these data shows that both area and depth ... are highly significant factors in explaining part of this variation over time, but not all of it ...

   Meeting Document : WG-FSA-01/48 : Auteur(s): G.P. Kirkwood and D.J. Agnew (United Kingdom)

3. The Ross Sea cephalopod community: insights from stable isotope analysis

   isotopic comparisons were made at the level of genus to accommodate the uncertainty in octopod ... identified as having relatively high importance in the food-web of the Ross Sea. However, information on the ... trophic ecology of the cephalopod assemblage of the Ross Sea region is poor. Stable isotope signatures of ... nitrogen (δ 15 N) and carbon (δ 13 C) were determined in muscle and beak tissue from a range of cephalopod ...

   Meeting Document : WG-EMM-12/55 : Auteur(s): D.R. Thompson, M.H. Pinkerton, D.W. Stevens (New Zealand), Y. Cherel (France), S.J. Bury (New Zealand)

4. Revised reports on abundance and biological information on toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2011/12

   fish caught by trotline system. A total of 133 killer whales（ Orcinus orca ）were observed at the 30 ... biological information on toothfish in SSRU B and C of Division 58.4.4a & b (Ob Lena Banks) from April 15 ... to May 19, 2012. Total catch (excluding tagged and released fish) of Dissostichus eleginoides was ... 28.3 tonnes in the survey area in 70 longline sets. Mean CPUEs of D. eleginoides was 48.3 kg / km (CV ...

   Meeting Document : WG-FSA-12/57 : Auteur(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)

5. Developing integrated assessments for Dissostichus eleginoides based on the CCAMLR precautionary approach

   assessments of Dissostichus stocks when a number of different datasets are being integrated for estimating ... current biomass and age structure. Consideration is given to its application to the assessment of ... used in either or both of their places. The framework for this procedure has four main components. The ... step is the sampling of the “current state” and associated parameters to provide inputs to the GYM. The ...

   Meeting Document : WG-FSA-SAM-05/16 : Auteur(s): I. Ball and A.J. Constable (Australia)

6. Ecosystem modelling for the Antarctic krill fishery

   University of Concepcion, Chile with the Fisheries Centre at University of British Columbia, Canada. In a ... been the target of an small industrial fishery since the mid 1970s. New quotas have recently been set ... krill predators such as penguins, seals and whales. In order to evaluate the effects of krill fishing on ... the trophic web, it is necessary to have better knowledge of the ecosystem structure and dynamics ...

   Meeting Document : WG-EMM-01/65 : Auteur(s): T. Antezana, J. Cornejo, E. Bredesen, P. Faundez (Chile), A.W. Trites and T. Pitcher (Canada)

7. Gap analysis: comparing CCAMLR’s port state measures with those in the FAO Agreement on Port State Measures to Prevent, Deter and Eliminate Illegal, Unreported and Unregulated Fishing

   Abstract:  ASOC is submitting for the consideration of the Commission and of the Standing ... Committee on Implementation and Compliance (SCIC) the preliminary results of research conducted by the Pew ... ). Preliminary findings of this research indicate that the port State measures of these RFMOs cannot yet compare ... ; they are not effective enough in deterring the activities of IUU operators; and they do not establish ...

   Meeting Document : CCAMLR-XXIX/BG/25 : Auteur(s): ASOC Observer

8. Do krill fisheries compete with macaroni penguins? Spatial overlap in prey consumption and krill catches during winter

   both at the scale of the Scotia Sea and the local areas within which the fisheries operate. Main ... period as this is the only time of year when spatio-temporal overlaps between macaroni penguin foraging ... biomass of food consumed during the winter period. We combined these to produce a surface of the tonnes of ... krill consumed which could be compared directly with the spatial distribution of the tonnes of krill ...

   Meeting Document : WG-EMM-14/02 : Auteur(s): N. Ratcliffe, S.L. Hill, I.J. Staniland, R. Brown, S. Adlard, C. Horswill and P.N. Trathan (United Kingdom)

9. Report on Dissostichus mawsoni exploratory fishery research in East Antarctica (Divisions 58.4.1 and 58.4.2) between the 2011/12 and 2017/18 fishing seasons

   statistics at the scale of the research block (Figure 1) and the distribution of tags recaptured in research ... Abstract:  This document provides a summary of progress towards milestones and responses to ... provides a summary of responses to the recommendations with references to the associated outputs in this ... block 5841_2 in 2017/18 (Figure 2) Progress toward the case-control estimation of effective tagging ...

   Meeting Document : WG-FSA-18/58 Rev. 1 : Auteur(s): P. Yates and P. Ziegler

10. Research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.4

    Abstract:  Regarding the low levels of stocks of Dissostichus spp. and the high levels of IUU ... estimated around 700 tonnes. CASAL model is updated with 2014 data but in the absence of an assessment using ... the CCAMLR decision rules, the catch limit should remain unchanged at 32 tonnes for 2015/16 to ... maximize the expectation of tag-recapture. Author(s):  A. Rélot-Stirnemann (France) Title:  Research plan ...

    Meeting Document : WG-FSA-15/67 : Auteur(s): A. Rélot-Stirnemann (France)

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