Результаты поиска

1. Two decades of variability in krill predators at Bird Island, South Georgia and their potential as ecosystem indicators

   Abstract:  The breeding performance of seabirds and seals at Bird Island, South Georgia, in the ... variability in variables for four species to evaluate their potential as ecosystem indicators. These variables ... survival and mass). Krill in the diet was correlated across the three bird species (gentoo, Pygoscelis ... penguins. Offspring survival and hence PRP were largely independent of krill in the diet for macaroni ...

   Meeting Document : WG-EMM-12/16 : Автор(ы): S.L. Hill, C.M. Waluda, H.J. Peat and S. Fielding (United Kingdom)

2. Progress report on the research longline fishery of Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13

   Abstract:  The multi-year research plan that was adopted for the exploratory longline fishery in ... Statistical Subarea 48.6 and formulated in CM 41-04 (2012) is briefly summarised and progress made by Japan ... and South Africa during the first 6 months is presented. Two vessels participated in the fishery and ... so far they have concentrated their sampling effort in the southern section (south of 60˚S), where ...

   Meeting Document : WG-SAM-13/05 : Автор(ы): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)

3. Proposal for continuation of Australia’s research plan for exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions 58.4.1 and 58.4.2)

   Abstract:  Exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions ... 58.4.1 and 58.4.2) began in 2003. Robust stock assessment and catch limits according to CCAMLR decision ... biological sampling undertaken by Australia during 2015/16 in SSRUs 58.4.1E and 58.4.1G. Here, we evaluate ... the original research plan set out in WG-FSA-15/47 Rev. 1, and propose continuation of this research ...

   Meeting Document : WG-SAM-16/09 : Автор(ы): Delegation of Australia

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

   impact on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ... items reached a peak in the period 1994-1996 at Bird Island and Signy Island, but declined after that ... . The number of debris items has increased at Bird Island in 2006 and Signy Island in 2007, but ... decreased at King George Island in 2007. The majority of items reported were packaging materials, fishing ...

   Meeting Document : SC-CAMLR-XXVI/BG/10 : Автор(ы): Secretariat

5. Observer coverage required for the prediction of incidental capture of seabirds in New Zealand commercial fisheries

   numbers of incidental seabird captures (albatross and petrel taxa combined) in a fishery with a specified ... known history of seabird captures: the trawl fisheries targeting hoki in the Sub-Antarctic, on the ... Chatham Rise, and off the west coast of the South Island; the trawl fisheries targeting squid in the ... on the Chatham Rise and in waters south of 46° S. A random effects model was developed to enable the ...

   Meeting Document : WG-FSA-05/50 : Автор(ы): M.H. Smith and S.J. Baird (New Zealand)

6. Recommendation for an explicit limit reference point for the mackerel icefish (Champsocephalus gunnari) fishery in CCAMLR Statistical Division 58.5.2

   Abstract:  Large fluctuations in abundance are a persistent feature of the populations of mackerel ... icefish (Champsocephalus gunnari) in the waters adjacent to Heard Island and the McDonald Islands in ... icefish in Division 58.5.2 is set to zero if the stock is determined to be below 1000 tonnes, or the catch ... limit recommended by the decision rules is below 100 tonnes in the first year after a survey has been ...

   Meeting Document : WG-FSA-11/34 : Автор(ы): Delegation of Australia

7. DETECTION OF VULNERABLE MARINE ECOSYSTEMS IN THE SOUTHERN SCOTIA ARC (CCAMLR SUBAREAS 48.1 AND 48.2) THROUGH RESEARCH BOTTOM TRAWL SAMPLING AND UNDERWATER IMAGERY

   Abstract:  High densities of vulnerable marine ecosystem (VME) indicator taxa were encountered in ... Subareas 48.1 and 48.2). These areas, which have been proposed for inclusion in the CCAMLR VME registry ... were detected in most cases utilizing occurrence and abundance of VME indicator taxa in research bottom ... trawl samples, as well as by way of in situ observations with an underwater photographic/video imaging ...

   Meeting Document : WG-EMM-09/32 : Автор(ы): S.J. Lockhart and C.D. Jones (USA)

8. DEVELOPMENT OF SPATIALLY EXPLICIT AGE-STRUCTURED POPULATION DYNAMICS OPERATING MODELS FOR ANTARCTIC TOOTHFISH IN THE ROSS SEA

   operating models for Antarctic toothfish in the Ross Sea. The operating models consider both a coarse-scale ... spatial distribution parameters as an aid in evaluating the operating models. The models are implemented ... in the generalised Bayesian population dynamics model, the Spatial Population Model (SPM). The SPM ... discrete time-step state-space model that represents a cohort-based population age structure in a spatially ...

   Meeting Document : WG-SAM-09/18 : Автор(ы): A. Dunn, S. Rasmussen and S. Hanchet (New Zealand)

9. Further development of coarse- and medium-scale spatially explicit population dynamics operating models for Antarctic toothfish in the Ross Sea region

   operating models for Antarctic toothfish in the Ross Sea. The operating models consider both a coarse-scale ... in the generalised Bayesian population dynamics model, the Spatial Population Model (SPM). The SPM ... discrete time-step state-space model that represents a cohort-based population age structure in a spatially ... , suggesting that younger fish were found predominantly in the southern shelf areas, mature fish on the slope ...

   Meeting Document : WG-FSA-12/44 : Автор(ы): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)

10. Practical options for developing feedback management for the krill fishery in Subarea 48.2

    might facilitate the development of feedback management procedures for the krill fishery in Area 48. In ... reviewing the state of ecological knowledge for Subarea 48.2, we conclude that movement towards Stage 2 (in ... knowledge base, but that this will take time, especially in the context of climate change. We suggest that ... recent research initiatives will help provide new information; however, a fundamental step-change in ...

    Meeting Document : WG-EMM-14/04 : Автор(ы): P. Trathan (United Kingdom), M. Santos (Argentina) and O.R. Godø (Norway)

Страницы