Résultats de la recherche

1. On problem of natural subdividing of Antarctic krill’s geographic area (an application to the monitoring of fishing)

   membership crustacean to that or another stock on the basis of recent knowledges. Problem may be solved, if ... Abstract:  The possibilities of natural regionisation of antarctic krill's geographic area ... with emphasis on fisheries regions distribution are considered on the base of consisting data of ... spatial structure of krill's geographic area. More then 43% of regions, where usually present ...

   Meeting Document : WG-KRILL-93/37 : Auteur(s): R.R. Makarov and L.L. Menshenina (Russia)

2. Krill aggregation characteristics: spatial distribution patterns from hydroacoustic observations. Polar Biology (in press)

   that these could be useful in the development of fisheries-dependent indices of krill abundance. Polar ... biomass was log-normally distributed with a mean of 0.18 t. Only 3% of the aggregations were heavier than ... judged to be random. These observations suggest widespread randomness throughout the survey area, which ... is consistent with the absence of pronounced hydrographic or topographic concentrating mechanisms in ...

   Meeting Document : WS-KCPUE-89/11 : Auteur(s): D.G.M. Miller and I. Hampton (South Africa)

3. Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean

   , it would be many millions of dollars greater. Apart from a concern for albatrosses, Japan's ... ill the problem is possible and that an overall reduction in excess of 90% could be achieved. Further ... longlines in southern oceans in 44 000. The actual figure could be double and is sufficiently high to ... substantiate claims that serious declines in albatross populations are due to this fishing activity ...

   Meeting Document : WG-IMALF-94/06 : Auteur(s): Brothers, N. 1991. Biol. Conservation, 55: 255-268.

4. Albatross mortality and associated bait loss in the Japanese longline fishery in the Southern Ocean

   , it would be many millions of dollars greater. Apart from a concern for albatrosses, Japan's ... in the problem is possible and that an overall reduction in excess 0f 90 % could be achieved. Further ... longlines in southern oceans is 44, 000. The actual figure could be double and is sufficiently high to ... substantiate claims that serious declines in albatross populations are due to this fishing activity ...

   Meeting Document : CCAMLR-IX/BG/17 : Auteur(s): Delegation of Australia

5. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2009/10

   fact be Patagonian toothfish. We recommend that observers be made aware of this issue, and that the ... dynamics. It has been suggested that a pre-recruit longline survey be developed to collect data to better ... fishing together with the catch of Dissostichus spp and bycatch species by year for the period 1997–98 to ... 881H and 881I, with a reduced catch from 881K due to ice conditions. The catch limit in the north was ...

   Meeting Document : WG-FSA-10/23 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

6. Estimating fishing gear selectivity for Patagonian toothfish (Dissostichus eleginoides) caught by trawlers on the Heard Island plateau region (Division 58.5.2) using trawl and longline length frequency data and forward-calculated continuation ratios

   these ratios or odds to be obtained directly from the GLMM. The ratio of the odds for trawl to that of ... generalised linear mixed model (GLMM) to the number of fish in the bin using a logit link function and ... binomial sample size defined as the number of fish in that bin or greater. I combine the data for length ... compared to that of being in a greater length bin and the logit link function allows the predicted log of ...

   Meeting Document : WG-FSA-05/65 : Auteur(s): S.G. Candy (Australia)

7. Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands, 1998/99

   observed on three separate occasions. Two additional sightings were of animals that had been previously ... 66% since the previous season but was 17% lower than 1996/97. Data are compared with results from a ... parallel study undertaken at Bird Island, South Georgia in 1998/99. These indicated that the number of ... of entanglements in fishing net. 'Severe' and 'very severe ' injury was being ...

   Meeting Document : SC-CAMLR-XVIII/BG/06 : Auteur(s): Delegation of the United Kingdom

8. ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT

   early closure of the fishery with only 58.9 t of the 75 t TAC of D. eleginoides taken; 2. The target ... simple Petersen and local CPUE estimates, with a B0 of 1143 t and B2009/B0 of 85%. 9. The sustainable ... tagging rate of 5 fish per tonne was exceeded by both vessels, with 344 D. eleginoides tagged and released ... . Evidence of gonad development in 2008/09 suggests that D. eleginoides may spawn in the North of 48.4 in ...

   Meeting Document : WG-FSA-09/17 : Auteur(s): J. Roberts and D.J. Agnew (United Kingdom)

9. The application of CCAMLR Ecosystem Monitoring Program (CEMP) standard methods in the Antarctic site inventory project

   project's methodology, particularly with respect to counting penguin nests and chicks. At each site ... soon-to-be-effective Antarctic Environmental Protocol; designing future monitoring programmes to detect ... landing beaches where visitors access a site, allowing comparisons over time between areas that have much ... human activity and those without such activity. A power analysis indicates the Inventory's ...

   Meeting Document : WG-EMM-97/38 : Auteur(s): Naveen, R.

10. THE RISKS OF NOT DECIDING TO ALLOCATE THE PRECAUTIONARY KRILL CATCH LIMIT AMONG SSMUS AND ALLOWING UNCONTROLLED EXPANSION OF THE KRILL FISHERY UP TO THE TRIGGER LEVEL

    here. Our results demonstrate that i) status quo management may jeopardize the Commission's ... Scientific Committee during 2008, and the caveats associated with that previous advice also apply here. Given ... allocation has met the "burden of proof" that would be required for decision making. Author(s ... risks associated with three options for a Stage-1 allocation of the precautionary krill catch limit ...

    Meeting Document : WG-EMM-09/12 : Auteur(s): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom)

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