Résultats de la recherche
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Diet composition of Dissostichus eleginoides in Subarea 48.3, Dr Eduardo Holmberg survey March/April 1996
; (%) methods. The samples consisted chiefly of immature specimens, with predominant length ranges of 30-70 cm ...
Meeting Document : WG-FSA-96/29 : Auteur(s): Barrera-Oro, E., Marschoff, E., Casaux, R.
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Abundance of Patagonian toothfish (D. eleginoides) at Macquarie Island estimated from tagging studies during 1995/96 fishing season
presents an analysis of a tag-recapture experiment carried during the Macquarie Island fishery for this ... Abstract: This note describes a successful method for tagging Dissostichus eleginoides and ... species during the 1995-96 season. Simple population and tag accumulation models are used to account for ... obtained for the pre-fishing abundance of the population in the season of 996 000 fish. However, this is ...
Meeting Document : WG-FSA-96/39 : Auteur(s): de la Mare, W., Williams, R.
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USING AUTOMATED CAMERAS AS A COST-EFFECTIVE MEANS OF EXTENDING LAND-BASED PREDATOR MONITORING
and reliable tools for surveillance and monitoring. This paper describes (1) the kinds of observations ... and measurements relevant to CEMP that can be obtained from an automated camera system specifically ... developed for use in the extreme conditions of Antarctica, (2) a preliminary assessment of the utility of ... cameras for measuring Adélie penguin breeding success, and (3) how cameras are currently being used to ...
Meeting Document : WG-EMM-11/37 : Auteur(s): C. Southwell, L. Emmerson and K. Newbery (Australia)
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CPUE values derived from Soviet fishery statistics as indicators of Antarctic krill density fluctuations in 1977–1991
of 170-200 g/m2 may be considered as an average characteristic value for the area 48. It was revealed ... Abstract: The average CPUE values, annual and calculated for the periods of 1977-1986 and 1986 ... , that interannual CPUEs variability is lower for the area 48 as a whole, comparing subareas, most ...
Meeting Document : WG-EMM-04/39 : Auteur(s): F.F. Litvinov, A.Z. Sundakov and G.N. Andrianov (Russia)
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The role of fish in the Antarctic marine food web: differences between inshore and offshore waters in the southern Scotia Arc and west Antarctic Peninsula
taking as an example the coastal marine communities of the southern Scotia Arc (South Orkney Islands and ... and seals. There, pelagic fish (especially lanternfish) are more abundant than inshore and play an ... terms of biomass for most of the high level predators from demersal fish up to whales. This has no ... are the second most important element for higher predators, in particular the energy-rich pelagic ...
Meeting Document : WG-FSA-02/6 : Auteur(s): E. Barrera-Oro (Argentina)
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Proposals on improving the governance and control of fishing vessels operating in the Southern Ocean
Masters, and identification of requirements for environmental response and monitoring in the event of an ... requirement for ice-strengthening for fishing vessels, a two-tier system of training for vessels crews and ... : Yes Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : CCAMLR-XXXIII/BG/22 Rev. 1 : Auteur(s): Submitted by ASOC
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Établissement d'une pêcherie exploratoire de Dissostichus mawsoni dans la sous-zone statistique 88.3
Author(s): Delegations of Australia and New Zealand Title: Establishment of an exploratory ... fishery for Dissostichus mawsoni in Statistical Subarea 88.3 Microsoft Word File: e-cc-xxxvi-29.docx ...
Meeting Document : CCAMLR-XXXVI/29 : Auteur(s): Delegations of Australia and New Zealand
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Blue-eyed shags as indicators of changes in ittora fish populations
Abstract: The use of Shag’s pellets as an appropriate technique to monitor the abundance of ... littoral fish populations is presented for consideration of the CCAMLR Ecosystem Monitoring Program Working ... sampled with trammel-nets in the same area. Supporting literature for this proposal is also provided ...
Meeting Document : WG-CEMP-93/25 Rev. 1 : Auteur(s): R. Casaux and E. Barrera-Oro (Argentina)
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Atlas of top predators from French Southern Territories in the Southern Indian Ocean
mitigation actions and restricted protection of the sole coastal areas, are insufficient, especially for the ... oceanic realm. Today, there is an urgent need to identify and protect the open sea environments where ... suggests several important areas for top predators. First the breeding colonies and surrounding zones ... conservation of the ecosystem that will also be beneficial for many other species. In conclusion, although this ...
Meeting Document : WG-EMM-16/42 : Auteur(s): K. Delord, C. Barbraud, C.-A. Bost, Y. Cherel,C. Guinet and H. Weimerskirch
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Rationale, structure and current templates of the Ecosystem, Productivity, Ocean, Climate (EPOC) modelling framework to support evaluation of strategies to subdivide the Area 48 krill catch limit amongst small-scale management units
considerations, provides an update of the conceptual structure of EPOC and outlines the templates developed for ... undertaking a work program to develop a management procedure for krill fisheries. To date, this has primarily ... costs and benefits to achieving conservation and fishery objectives of the six different strategies for ... modelling framework. In particular, it outlines the general considerations for designing a simulation ...
Meeting Document : WG-SAM-07/14 : Auteur(s): A. Constable (Australia)