Resultados de la búsqueda

1. Population dynamics of wandering albatross Diomedea exulans and Amsterdam albatross D. amsterdamensis in the Indian Ocean and their relationships with longline fisheries: conservation implications

   recent years has probably resulted in the slow recovery of these albatross populations as a result of ... Abstract:  Studies carried out over the past three decades at Crozet and Kerguelen Islands in the ... populations are in contact with long-line fisheries, mainly the pelagic Japanese southern blue-Jin tuna ... albatross populations, most which are still declining in the Southern Ocean. Possible conservation measures ...

   Meeting Document : WG-FSA-96/09 : Autor(es): Jouventin, P., Brothers, N., Weimerskirch, H.

2. Distribution and abundance of Antarctic krill in the vicinity of Elephant Island during the 1994 austral summer

   during the last five years of AMLR surveys in the Elephant Island study area and one-fifth of the 1990 ... from four acoustic surveys conducted in the vicinity of Elephant Island, Antarctica, from mid-January ... biomass in the same survey portion was estimated to be 359 X 106 t. During the second and third surveys ... high densities of krill were mapped in the shoal waters to the north of Elephant Island; biomasses were ...

   Meeting Document : WG-Joint-94/09 : Autor(es): R.P. Hewitt and D.A. Demer (USA)

3. Has climate change promoted genetic fragmentation in the ice-dependent fish Pleuragramma antarcticum?

   in the central region of the western AP for two consecutive years, all suggest that this sea-ice ... pelagic life cycle and plays a major trophic role in the coastal Antarctic marine ecosystem. A previous ... pools, and population structure. In the present study, we used 16 EST-linked microsatellites to ... variability in the southwestern AP, while significant genetic differences were detected on a small geographic ...

   Meeting Document : WG-FSA-13/67 : Autor(es): C. Agostini, T. Patarnello (Italy), J. Ashford, J. Torres (USA) and L. Zane (Italy)

4. On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model

   split of the overall density dependence effect between the first year and following sub-adult years of ... growth rates, thus solving problems of lack of self-sustainability encountered in earlier model analyses ... . This solution brings with it new problems, however, in that two further parameters need to be specified ... consequences of differentiating between adult and sub-adult survival rates in the krill-predators model ...

   Meeting Document : WG-EMM-95/39 : Autor(es): Butterworth, D.S., Thomson, R.B.

5. An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 and 88.2 up to 2005/06

   and 25 recaptured. Tagging rates by area over the past three years have been in the same proportion as ... Abstract:  A descriptive analysis of the toothfish tagging programme carried out in Subareas 88.1 ... which were presented in July 2006 at WG-FSA-SAM. In addition, the paper presents release and recapture ... the catch by area. However, recapture rates have tended to be higher in SSRUs 88.2E, 88.1C, and 88.1H ...

   Meeting Document : WG-FSA-06/34 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)

6. Proposal for an experimental crab fishery in Subarea 48.3

   years/fishing seasons. Phase 1 occurs at the start of the first fishing season and is a "survey ... beginning of the second fishing season and is a series of three depletion experiments conducted in local ... second fishing season. Phase 3 commences just prior to the close of the second fishing season. In this ... powerful when multiple vessels participate in the fishery, but valuable information can still be obtained ...

   Meeting Document : WG-FSA-93/22 : Autor(es): George Watters (USA)

7. Longline sink rates on a bottom autoline vessel in New Zealand: draft

   vessel F.V. San Aotea in New Zealand. The objective of the project was to determine line sink rate, and ... as would be used in normal fishing operations to test the effectiveness of weighting the longline as ... the middle of an unweighted longline of this design sinks to 10m in a mean time of 63.0 seconds (n ... have quite noticeable effects on line sink rate for 20- 40 m either side of the attached weight. Given ...

   Meeting Document : WG-FSA-98/51 : Autor(es): N.W. McL. Smith (New Zealand)

8. Cruise Report – Research Project: Demersal finfish distribution, abundance, and their biological characteristics in Statistical Subareas 48.1 (northern area) and 48.2

   48.2 (South Orkney Island). The sampling stations were set in approximately the same geographical ... , 2018, primarily using a Hardbottom Snapper trawl (NET Systems, Inc.), previously used by the US AMLR ... ). As a result of nearing the maximum research catch specified in Subarea 48.1 (95% of authorized ... proposed stations completed (n=13). In Subarea 48.2, we were unable to complete the planned number of ...

   Meeting Document : WG-SAM-18/25 : Autor(es): Delegation of Chile

9. Review of CCAMLR activities on monitoring marine debris in the Convention Area

   on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ... more than 3 years, these are: Beached Marine Debris: Chile (Cape Shirreff, Livingston Island, South ... , reached a peak in the period 1994–1996 at Bird Island and Signy Island has declined thereafter. The level ... of marine debris found in seabird colonies at Bird Island has continually increased, with fishing ...

   Meeting Document : SC-CAMLR-XXII/BG/25 : Autor(es): Secretariat

10. Interannual variability of standardised index of krill abundance in Area 48 according to CCAMLR fishery statistics database

    of fishery at the scale of Area 48, Subareas 48.1-48.3, SSMUs and years using CAMLR statistical ... CPUE in Subareas 48.1-48.3 and SSMUs did not correspond to the dynamics of krill density and biomass ... part of krill biomass rather than the total krill biomass in the area. The high variability and ... krill distribution in Area 48. The long-term fishery management in Area 48 will be required new ...

    Meeting Document : WG-EMM-10/17 : Autor(es): P.S. Gasyukov and S.M. Kasatkina (Russia)

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