Résultats de la recherche

1. THE ISSUE OF NON-COMPLIANCE WITH CCAMLR TAGGING PROGRAM

   Exploratory Fisheries), the flag States of fishing vessels participating in exploratory fisheries are ... responsible for ensuring the tagging of Dissostichus spp., tag recovery and correct reporting. At CCAMLR XXVI ... (2007), “the Commission requested the Secretariat to annually prepare and submit a table for SCIC’s ... consideration containing data on individual Dissostichus spp. tagged and released, and the tagging rate reported ...

   Meeting Document : CCAMLR-XXVII/BG/22 : Auteur(s): Delegation of Australia

2. Population assessment of Patagonian toothfish in the north of Subarea 48.4 – 2010 update

   Abstract:  The target tagging rate of 5 fish per tonne was exceeded by both vessels, with 232 D ... . eleginoides tagged and released in 2009/10, bringing the total to 1,547 in all seasons; There were 18 D ... . eleginoides tag recaptures in 2009/10, a total of 72 in all seasons; The length-frequency of 2009/10 captures ... is consistent with the theory that the bulk of the biomass is dominated by a small number of cohorts ...

   Meeting Document : WG-FSA-10/39 : Auteur(s): J. Roberts and D. Agnew (UK)

3. Feasibility of lead-radium dating the otoliths of blackfin icefish (Chaenocephalus aceratus) and ocellated icefish (Chionodraco rastrospinosus)

   otoliths from these fishes were small and the number of otoliths available low, a whole otolith application ... was necessary as a first look at lead-radium levels. The application was successful as a first step in ... determining the parameters of future applications that would lead to a validation of age. In the current study ... , sample mass for the pooled otolith samples was low (~0.4 g). This finding, coupled with low radium-226 ...

   Meeting Document : WG-FSA-10/17 : Auteur(s): A.H. Andrews, M. La Mesa and J. Ashford (USA)

4. The ICES Benchmark Protocol

   Abstract:  The ICES Benchmark Protocol is a review process for evaluating the data and analyses ... that form the basis of ICES management advice for a stock. The review examines stock structure, fishery ... characteristics, biological and assessment data, stock assessment and projection methodology. The review is ... conducted outside of the ICES annual assessment and advice environment. It includes experts from outside of ...

   Meeting Document : WG-SAM-14/16 : Auteur(s): C. Darby (United Kingdom)

5. Towards the development of an assessment of stock abundance for Subarea 88.2 SSRUs 88.2C–G

   Abstract:  This paper frames a discussion for improving the assessment of toothfish abundance for ... SSRUs 88.2C–G. We initially provide a characterisation of the fishery and a summary of available tagging ... fish have been recaptured. It is likely that the lack of recaptures of tagged fish in this region has ... been caused primarily by the poor spatial overlap of released tagged fish with subsequent fishing ...

   Meeting Document : WG-FSA-14/59 : Auteur(s): S.M. Hanchet and S.J. Parker (New Zealand)

6. Spatio–temporal dynamics in maturation and spawning of Patagonian toothfish Dissostichus eleginoides on the subantarctic Kerguelen Plateau

   eleginoides in the Heard Island and McDonald Islands (HIMI) fishery on the Kerguelen Plateau in the Indian ... Sector of the Southern Ocean based on gonads and otoliths collected between years 2004–2015, and using ... throughout the late autumn and winter months of May–August, and spawning activity is concentrated on slopes ... along the west and south of the plateau around HIMI at depths of 1500–1900m. Comparison between ...

   Meeting Document : WG-FSA-17/P04 : Auteur(s): P. Yates, P. Ziegler, D. Welsford, J. McIvor, B. Farmer and E.Woodcock

7. Spatio-temporal variability in the winter diet of larval and juvenile Antarctic krill, Euphausia superba, in ice-covered waters

   Abstract:  Antarctic krill Euphausia superba is an ecological key species in the Southern Ocean ... and a major fisheries resource. The winter survival of age class 0 (AC0) krill is susceptible to ... changes in the sea-ice environment due to their association with sea ice and their need to feed during ... limited. We studied the spatio-temporal variability of the diet in 4 cohorts of AC0 krill in the Northern ...

   Meeting Document : WG-EMM-18/P18 : Auteur(s): F.L. Schaafsma, D. Kohlbach, C. David, B.A. Lange, M. Graeve, H. Flores and J.A. van Franeker

8. A new fishing gear in the Chilean Patagonian toothfish fishery to minimise interactions with toothed whales with associated benefits to seabird conservation

   Abstract:  We describe a new fishing technique, called the Chilean system, adapted from an artisan ... fishery for Patagonian Toothfish. The artisan system was modified to include a net sleeve that is placed ... whales. In addition to this, each 15 m-long vertical line carry a weight at the end, this sinks baited ... hooks at up to 0.80 m/sec. This fast sink rate causes the line to sink immediately behind the vessel ...

   Meeting Document : WG-FSA-07/14 : Auteur(s): C.A. Moreno, R. Castro, L.J. Mujica and P. Reyes (Chile)

9. A compilation of parameters for a krill–fishery–predator model of the Scotia Sea and Antarctic Peninsula

   Abstract:  We describe the compilation and derivation of parameters for use in krill-fishery ... -predator models of the Scotia Sea – Antarctic Peninsula region. The primary aim is to provide input for the ... model developed by Watters et al. (2006), which we use to define the required parameters. However, these ... parameters should be applicable to other models of the system. Our methods include the use of weighted ...

   Meeting Document : WG-EMM-06/30 Rev. 1 : Auteur(s): S. Hill, K. Reid, S. Thorpe (United Kingdom), J. Hinke and G. Watters (USA)

10. Comparison of census methods for black-browed albatrosses breeding at the Ildefonso Archipelago, Chile

    the Ildefonso Archipelago, Chile, for > 90 years the population has never been censused using ... scientifically defendable methods. To estimate population size, and examine the accuracy and practicality of ... various census methods, the population was censused in the 2002/03 breeding season using a) ground-truthed ... -distance sampling. Compared to ground-truthed aerial photography (judged the most accurate) yacht-based ...

    Meeting Document : WG-FSA-06/12 : Auteur(s): G. Robertson, K. Lawton (Australia), C.A. Moreno (Chile), R. Kirkwood (Australia) and J. Valencia (Chile)

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