Résultats de la recherche

1. Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments

   separate between shelves and banks separated by deep water. More particularly, the separation of  stocks on ... separated by deep water. More particularly, the separation of stocks on the Kerguelen Plateau has not been ... Macquarie and Heard Island fi sheries, but genetic homogeneity can be maintained by a low level of ... Plateau and surrounding deep water; the fi shing grounds in the two areas are nowhere separated by water ... and from the Kerguelen Plateau by extensive stretches of water deeper than 2 000 m. At present, fi ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Auteur(s): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb

2. Physical data used in space averaging: Trophic modelling of the Ross Sea

   beginning of the food web are strongly influenced by the extent of ice cover and its seasonal trajectory ... The Ross Sea study region is bounded to the north by the 3000 m depth contour, and by 69°S line of ... latitude; to the south by the permanent ice shelf; to the east and west by land, and the 160°W and 170°E ... –1800 39 388 6.2 7 Deep >1800 139 895 22.0 All 636 998 100 4. Ice extent Average ice cover by ...

   Document : Site Section: Publications

3. Toothfish and skate tagging methods

     Tagging programme administration • Tagging programmes are coordinated by the CCAMLR Secretariat ... Measures (Tagging suitability criteria, tagging rate and fish size as indexed by the tag size overlap ... by crustaceans (amphipods/lice) Scales Abrasions or single area of recent scale loss equal to ... Predation – T: Both tags detached – D: Dead at surface but no predator – K: Killed by whale – If ...

   Document : Site Section: Science

4. CCAMLR ecosystem monitoring and a feedback management procedure for krill

   maintenance of predator populations, including the recovery of depleted whale populations, by the CCAMLR ... inadvertently affect other predators and can be utilised in a feedback management procedure by the Commission ... . This paper examines some of the issues that need to be addressed by the Scientific Committee in ... being affected or are likely to be affected by krill harvesting. The Commission then can formulate or ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Auteur(s): Constable, A.J.

5. Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)

   paper by Frolkina and Gasiukov (1989). This task is complicated by the fact that fishing for C ... . gunnari is. characterized by a considerable intra-annual irregularity and marked dynamics. Whereas ... fishing was at first carried out by means of bottom trawls, in recent years midwater trawls have been ... sequence of catch-per-unit-effort values was developed by years of fishing. Standardized values of fishing ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Auteur(s): Gasiukov, P.S.

6. Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias

   spatial structure of release and recapture efforts by fishing and research vessels, development of ... throughout their life cycle, as well as the spatial structure of release and recapture efforts by fishing ... (see review by Polacheck et al., 2010). For exam- ple, stock assessment model frameworks such as CASAL ... caught in a sample and scanned for tags. This equation can be transposed to estimate N by: CN M R ... the true N by the estimate N̂ (i.e. N̂ N> or N̂ N< ), with potential consequences for any ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Auteur(s): Welsford, D.C. and P.E. Ziegler

7. Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf

   :  Biostatistical data obtained by Soviet research and commercial vessels from 1970 to 1991 have been used to ... the age of 2-3 years. It has been found that, by number, recruits represent the largest part of the ... Kaliningrad 236000, Russia Email - atlantQbaltnet.ru Abstract Biostatistical data obtained by Soviet ... years. It has been found that, by number, recruits represent the largest part of tlne population ... detailed information on C. gilnnavi has been provided by Iby AtlantNIRO from 1970 to 1991 allowed us ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Auteur(s): Frolkina, G.A

8. Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery

   practically eliminated depredation of fish by killer whales (Orcinus orca) and sperm whales (Physeter ... macrocephalus). The performance of this fishing technique with regard to seabird mortality and depredation by ... harder to watch than recovering only the head of a large fish that has been taken by a whale. Here both ... by killer whales (Orcinus orca) and sperm whales (Physeter macrocephalus). The performance of this ... to seabird mortality and depredation by sperm and killer whales on fish catch rate was assessed ... , observers have estimated toothfish losses due to predation by killer whales to be as high as 50% (Tilney ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Auteur(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes

9. Distribution characteristics of krill aggregations in the fishing ground off Coronation Island in the 1989/90 season

   aggregations. Krill was harvested by standard midwater trawls with a horizontal mouth opening of 33 m. All ... . An echo sounder was used to assess the characteristics of kriU aggregations. KriU was harvested by ... grounds (Endo and Ichii, 1989). These characteristics are determined by environmental factors as well as ... basis of echogram recordings according to a methodology developed by AtlantNIRO (1985). Since a ... recorded as a scattered layer in the 10 to 140 m depth range with interrupted, short tracks formed by ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 49–73 : Auteur(s): Kasatkina, S.M. and V.I. Latogursky

10. e-sc-i.pdf

    ... languages can be obtained from the Secretariat by writing to: The Executive Secretary, Commission for ... /2 REV I) with one change. Rule 17 was replaced by the following wording: ‘Decisions should be ... discussions concerning office bearers for the Commission, the Scientific Committee confirmed by acclamation ... , by the then elected Chairman of the Scientific Committee. A copy of this report, as amended by the application/pdf attached to:SC-CAMLR-I

    Meeting Report : SC-CAMLR-I

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