Результаты поиска

1. Preliminary biomass estimation of Antarctic krill based on the swarm-based method for CCAMLR Division 58.4.1 in 2018/19 using data obtained by Japanese survey vessel Kaiyo-maru

   Abstract:  Biomass (B 0) of Antarctic krill for CCAMLR Division 58.4.1 in 2018/19 was ... Kaiyo-maru. The point estimate was comparable with the estimate in 1996 by BROKE (4.83 million ton with ... especially in the western part of the Division. The CV of biomass estimate of Kaiyo-maru survey was high ... than size of swarm set in the Echoview template used in this analysis. Comparison with B 0 estimated by ...

   Meeting Document : SG-ASAM-2019/02 : Автор(ы): K. Abe, R. Matsukura, N. Yamamoto, K. Amakasu and H. Murase

2. Polish krill fishery in the 1991/92 and 1992/93 seasons results of catches and biological investigations

   Abstract:  Poland began krill fishing operations in the 1976/1977 season. It has been engaged in ... , attained in the 1992/1993 season. The report presents an analysis of Polish krill catches in the 1991/1992 ... and 1992/1993 seasons. CPUEs by month in individual subareas of the Atlantic sector of the Antarctic ... ) Title:  Polish krill fishery in the 1991/92 and 1992/93 seasons results of catches and biological ...

   Meeting Document : WG-Krill-94/09 : Автор(ы): J. Sosinski and Z. Cielniaszek (Poland)

3. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2018/19

   (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs 88.2A-B) is updated and revised using the ... -weight parameters, and a similar model structure as in 2017 estimated the equilibrium pre-exploitation ... in the number of tags recaptures in 2018 and 2019; (ii) two years of additional fishing as the ... CCAMLR Independent Stock Assessment Review for Toothfish in 2018, using updated growth and length-weight ...

   Meeting Document : WG-FSA-2019/08 : Автор(ы): A. Dunn

4. Results of the tagging experiment for (D. eleginoides) in Subarea 48.4, 2007 update

   Abstract:  1. During the 2006/07 fishing season one UK and one New Zealand vessel fished in ... distributions of abundance around the fishing area. There were two tag recaptures in 2007, both of D ... the mark-recapture experiment in Subarea 48.4 in 2007/08. Initial estimates of population size will be ... made in 2008/09. However, given the currently low level of recaptures, and the difficulties experienced ...

   Meeting Document : WG-FSA-07/32 : Автор(ы): J. Roberts and D.J. Agnew (United Kingdom)

5. A nonparametric algorithm to model movement between polygon subdomains in a spatially explicit ecosystem model

   part of the modelling effort. In marine applications, a flow field grid describing the water movement ... are not designed to model movement on the larger scale of polygons, resulting in disproportionately ... large computational costs and difficult communication between model layers. In this paper, a simple and ... biomass distribution in comparison to a grid-scale model. A nonparametric description of inter-polygon ...

   Meeting Document : WG-EMM-06/35 : Автор(ы): T. Lenser and A. Constable (Australia)

6. By-catch of fishes caught by the fishery vessel Niitaka Maru in the South Georgia area (August to September 2004)

   of by-catch fishes were occurred in 76 trawl catches. The family Myctophidae, the most abundant taxa ... during the present survey, were found in 61% of hauls examined. Although only one species, Lepidonotothen ... larseni, was captured as by-catch of the Nototheniidae, the Nototheniidae were the next in abundance and ... found in 25% of hauls. Length frequency distribution of by-catch of L. larseni shows this species is ...

   Meeting Document : WG-EMM-05/19 : Автор(ы): T. Iwami, T. Hayashi, K. Taki and M. Naganobu (Japan)

7. Interactions between cetaceans and fisheries in Southern Ocean

   Abstract:  Soon after longlining on Patagonian toothfish (Dissostichus eleginoides) started in the ... Southern Ocean in the second half of the 1980’s, interactions of cetaceans with these fisheries became ... . Sperm whales became frequently entangled in the line and part of the line was lost in a number of cases ... . Other cetaceans were rarely seen in the vicinity of longline vessels. They became entangled in the line ...

   Meeting Document : WG-FSA-05/11 : Автор(ы): K.-H. Kock (Germany), M. Purves (South Africa) and G. Duhamel (France)

8. The applicability of international conservation instruments to the establishment of marine protected areas in Antarctica

   , depending on their specific provisions, full application in Antarctic waters may be difficult, inappropriate ... principles of maritime jurisdiction embodied in the United Nations Convention on the Law of the Sea (UNCLOS ... to the existence of territorial sovereignty and corresponding maritime zones in the area south of 60 ... °S. In addition, the instruments of the Antarctic Treaty System already provide for resource ...

   Meeting Document : SC-CAMLR-XXIII/BG/30 : Автор(ы): Delegation of the United Kingdom

9. A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures

   limit in Area 48 that will be highly likely to achieve the objectives of the convention despite the ... uncertainties in knowledge. This will be part of the management procedure governing the krill fishery. The ... procedures in a simulation framework, using plausible models of the Antarctic marine ecosystem. This paper ... aspects of model development. Part 1 outlines the issues to consider in assessing the requirements of ...

   Meeting Document : WG-EMM-04/24 : Автор(ы): A. Constable (Australia)

10. Summary of the seabird and marine mammal observations during observed toothfish (Dissostichus spp.) longline fishing operations in CCAMLR Subareas 88.1 and 88.2

    operations that targeted toothfish (Dissostichus spp.) in 2001–03 in Sub-areas 88.1 and 88.2. The ... distribution of fishing effort was dictated by the presence of sea ice and there are differences in the seabird ... composition reported each year because of variation in the spatial distribution of the seabirds. At-sea ... ), and snow petrels (Pagodroma nivea). The highest species diversity was in waters north of about 70º S ...

    Meeting Document : WG-FSA-04/42 : Автор(ы): S.J. Baird (New Zealand)

Страницы