Résultats de la recherche

1. Longline fishing at Tristan da Cunha: impacts on seabirds

   important seabird populations. Two longline fisheries occur within Tristan's Exclusive Economic Zone: a ... bycatch rate of> 1 bird killed per 1000 hooks; this could be even higher in summer when more birds are ... of observers on board. The gravest threat posed by longline fishing to Tristan's seabirds comes ... from vessels fishing illegally in Tristan waters, as well as vessels in international waters that do ...

   Meeting Document : WG-FSA-01/15 : Auteur(s): N. Glass, I. Lavarello, J.P. Glass and P.G. Ryan (South Africa)

2. Estimation of the biomass of krill in Prydz Bay during January/February 1991 and February/March 1992 using echo integration

   association of krill with the shelf break in the western part of the survey area but also found that the shelf ... ; Hosie et al. 1988) could not be determined. Author(s):  I. Higginbottom and T. Pauly (Australia) Title ... region was estimated to be between 4.8 to 5.4 million tonnes in 1991 and between 2.2 and 2.6 million ...

   Meeting Document : WG-KRILL-92/23 : Auteur(s): I. Higginbottom and T. Pauly (Australia)

3. A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

   not be sexed. Precision estimates and age bias plots indicated that there was good within-reader and ... von Bertalanffy growth parameters. The species is relatively slow-growing with a moderate longevity ... between-reader agreement, so the otolith sections appear able to be consistently interpreted. The standard ... are: L, 22.1 cm SL; K, 0.167 y-1; t 0,-0.4 years. Parameter estimates were also derived for the sexes ...

   Meeting Document : WG-FSA-10/20 : Auteur(s): C.P. Sutton and P.L. Horn (New Zealand)

4. Crab by-catch in the experimental toothfish pot fishery around South Georgia, 2000

   that about 10% of apparently lively discarded crabs would die. Author(s):  T. Daw, D. Agnew, M. Purves ... . There were some differences in catch rate5 between areas, with lowest catch rates being encountered ... crabs (3% of P. spinosissima and 10.5% of P..formosa) were males above the legal size limit and could be ...

   Meeting Document : WG-FSA-00/24 : Auteur(s): T. Daw, D. Agnew, M. Purves, G. Pilling and C. Yau (United Kingdom)

5. Update on the analysis of fish by-catch in the krill fishery using data from the CCAMLR Scheme of Scientific Observation

   indicate that a 200 000 t krill catch might be expected to contain of the order of 40t of C. gunnari and ... 38t of L. larseni, albeit with large confidence intervals around these estiamtes. Author(s ...

   Meeting Document : WG-EMM-14/31 Rev. 1 : Auteur(s): Secretariat

6. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man made debris at Bird Island, South Georgia, during the 2006 winter and 2006/07 breeding season

   was 17, an increase of 112.5% over the previous summer, and the highest since 2001/02. During the ... (37% and 35% during winter and summer respectively). On 16 occasions the material was found to be a ... loop of rope similar to that shown in appendix three. Plastic packaging bands were the second most ... unknown. The increase in the number of winter entanglements (41) and animals with severe wounding (20) was ...

   Meeting Document : SC-CAMLR-XXVI/BG/17 : Auteur(s): Delegation of the United Kingdom

7. Interannual variation in the summer diet of Adélie penguin (Pygoscelis adeliae) at Edmonson Point

   at Edmonson Point CEMP site over five years, 1995-97, 1999, 2001 and was extended to Inexpressible ... Island in 2001. Mean diet composition varied from year to year and between the two locations in 2001 ... . Meal size for chicks was found to be higher during the crèche than the guard period and males were ... found to return with a larger mean meal weight containing more krill than females. The overall ...

   Meeting Document : WG-EMM-04/38 : Auteur(s): S. Olmastroni, F. Pezzo, I. Bisogno and S. Focardi (Italy)

8. Results of the seventh Ross Sea shelf survey to monitor abundance of Antarctic toothfish in the southern Ross Sea, January 2018, and notification for research in 2018/19

   agreed 2019 fixed-effort survey is included with a catch limit of 65 t. Author(s):  D. Stevens, X. Fu, S ... Abstract:  At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey would be a useful input into the Ross Sea stock assessment model. In ... cohorts through the population that were observed in previous surveys. Notification of research for the ...

   Meeting Document : WG-SAM-18/10 : Auteur(s): D. Stevens, X. Fu, S. Mormede and S. Parker

9. Revision of biological and population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a comprehensive survey of fishing grounds and recruitment areas in the region

   region. Careful thought will need to be given to how best to manage a stock that aggregates in this ... of recruitment indicate that the variability of recruitment at Heard Island is much greater than ... originally estimated and that, in recent years, there has been an influx of a large number of young fish ... manner while still juvenile and with some years before becoming reproductively mature. Author(s):  A.J ...

   Meeting Document : WG-FSA-99/68 : Auteur(s): A.J. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)

10. Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands

    late January 1991, i.e. 1.78 million t (56 g/m2), should be regarded as the lower level for the shelf ... north of the islands, as usual. Tracks of drifting buoys (with curtain drogues at 30 m depth where krill ... is that one buoy traveled all the way to South Georgia and has been being trapped in a winter fishing ... spatial correlation between krill and chlorophyll a distributions. It is therefore considered that both ...

    Meeting Document : WG-KRILL-91/22 : Auteur(s): Delegation of Japan

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