Résultats de la recherche

1. Development of best practices for the collection of longline data to facilitate research and analysis to reduce by-catch: report of a workshop held at the International Fisheries Observer Conference

   , sea turtles, and seabirds in longline fisheries, a workshop was organized to develop “best practices ... ” in observer data collections. The workshop was held in conjunction with the International Fisheries ... Observer Conference, November 8-11, 2004, in Sydney, Australia. The objectives of the workshop were to ... observer data collection in longline fisheries that would facilitate research and analysis to reduce ...

   Meeting Document : WG-FSA-05/45 : Auteur(s): K.S. Dietrich, K.S. Rivera, V. Cornish and T. Conant (USA)

2. Krill of the Ross Sea: distribution, abundance and demography of Euphausia superba and Euphausia crystallorophias during the Italian Antarctic expedition (January–February 2000)

   of krill in the western Ross Sea (Antarctica). A midwater sampler-trawl (Hamburg Plankton Net) was ... , in the area north of Continental Shelf, was 9.3 g/1000m3 of filtered water with a mean density of ... 10.9 individuals per 1000m3. Ice krill Euphausia crystallorophias replaced the Antarctic krill in ... dominance in the High Antarctic Zone (south of 74°), with a mean relative biomass of 3.0 g/1000m3 and mean ...

   Meeting Document : WG-EMM-02/32 Text : Auteur(s): A. Sala, M. Azzali and A. Russo (Italy)

3. Status of white-chinned petrels Procellaria aequinoctialis Linnaeus 1758, at Bird Island, South Georgia

   breeding in tussock grassland at sub-Antarctic islands. Over the last decade it has been killed in large ... numbers in temperate and sub-tropical longline fisheries. However, no data are available on the global ... the distributioin and density of occupied burrows in 1981 and 1998. In both surveys white-chinned ... petrel burrows occurred in one-quarter of the 460–47736-m2 quadrats surveyed. The total number of burrows ...

   Meeting Document : WG-FSA-01/26 Rev. 1 : Auteur(s): S.D. Berrow, J.P. Croxall and S.D. Grant (United Kingdom)

4. Examination of the gut contents of Patagonian toothfish (Dissostichus eleginoides) from the toothfish pot fishery trials around South Georgia

   , (Dissostichus eleginoides), represents an important target species for fisheries not only in the study area ... around South Georgia (CCAMLR Sub-area 48.3), but also in other CCAMLR areas. To improve the knowledge on ... during the toothfish pot fishery trials undertaken in the area during the period March to May 2000. 3,640 ... empty stomachs was greatly reduced in fish caught using pots rather than longlines, increasing sample ...

   Meeting Document : WG-FSA-00/25 : Auteur(s): G. Pilling, T. Daw, M. Purves, D. Agnew and J. Xavier (United Kingdom)

5. KRILL CATCHES INDICATE THE IMPACT OF THE EL-NIŇO – SOUTHERN OSCILLATION RELATED PROCESSES ON THE DISTRIBUTION OF KRILL BIOMASS BETWEEN SUBAREAS OF THE ATLANTIC SECTOR OF ANTARCTIC

   fishery management issues. Krill catch data in Subareas 48.1, 48.2 and 48.3 are compared to the AMLR ... analysis suggest that the dynamics of krill biomass in fishable aggregations in Subareas 48.1 and 48.2 is ... negative anomalies of catches in the important Subarea 48.2 are seen in the year of oceanographical regime ... associated with La Niňa event in the South Pacific. The mechanisms for these phenomena associated with the ...

   Meeting Document : WG-EMM-09/47 : Auteur(s): V. Spiridonov (Russia)

6. Detailed distribution of krill fishing around South Georgia

   only been available to the scientific community in the form of sub-area or fine-scale(0.5 ° latitude by ... has operated they do not reveal the localised nature of the fishing operation. In particular they give ... . Over the last three winter fishing seasons (1993-1995) haul by haul statistics have been recorded in ... a seasonal pattern. In 1994 the fishery was almost totally based over a large shallow bank area on ...

   Meeting Document : WG-EMM-96/64 : Auteur(s): Parkes, G., Everson, I., Trathan, P.N., Murphy, E.J.

7. Krill fishery report: 2012 update

   have fished for krill in Area 48; one vessel is using the continuous fishing system. The total catch ... reported to May 2012 was 78468 t, mostly taken from Subarea 48.1 in December, April and May. Seven vessels ... . In 2010/11, 13 vessels fished for krill in Area 48 and the total catch of krill was 180986 t; two ... Islands in Subarea 48.2 where a total of 111472 t of krill was taken from SSMU SOW (South Orkney West ...

   Meeting Document : WG-EMM-12/05 : Auteur(s): Secretariat

8. Preliminary analysis of toothfish catch, CPUE, size structure and mark-recapture data from SSRUs 486A and 486G, with comments on the sustainability of different harvest levels

   in Subarea 48.6 north of 60°S (the combined SSRUs 48.6A and 48.6G). A preliminary assessment for D ... . mawsoni in Subarea 48.6 south of 60°S (the combined SSRUs 48.6B through 48.6E) is given in an Appendix. An ... to size via a simple von-Bertalanffy equation in which variance in catch-at-length for a given age is ... possible given the available information.  Actual assumptions are set out in this document.  CPUE data are ...

   Meeting Document : WG-FSA-12/31 : Auteur(s): E. Thomson and M. Bergh (South Africa)

9. A small unmanned aerial system for estimating abundance and size of Antarctic predators

   studies, but can be difficult in remote settings such as Antarctica. Recent advances in the development of ... and testing in selecting a VTOL platform for use in remote, windy, perennially overcast settings ...  predators in Antarctica, based upon 65 missions flown in 2010/2011 (n = 28) and 2012/2013 (n = 37). We ... -powered VTOLs make them particularly useful in wildlife applications: (1) portability, (2) stability in ...

   Meeting Document : WG-EMM-15/P06 : Auteur(s): M.E. Goebel, W.L. Perryman, J.T. Hinke, D.J. Krause, N.A. Hann, S. Gardner and D.J. LeRoi

10. Sea ice characterisation of the proposed Ross Sea region Marine Protected Area Special Research Zone

    has had on the fishery in the area during that time, and potential influences sea ice might impose on ... achieving the objectives of the proposed SRZ in the future. Based on historic satellite-derived sea ice ... in about half of the fishing seasons. Over the past 16 seasons, the SRZ was accessible to fishing in ... January in 8 seasons, open later (mostly after the fishery closed) and never completely cleared in 4 ...

    Meeting Document : SC-CAMLR-XXXIV/BG/31 : Auteur(s): S. Parker, S. Hoyle, S. Hanchet and R.J.C. Currey (New Zealand)

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