Résultats de la recherche

1. Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula

   models of standing krill biomass and the design of a sustainable krill fishery for the Scotia Sea ... . Antarctic krill (Euphausia superba) is a significant component of diet for penguins breeding in this region ... in krill predation estimates. We use a comprehensive database of Antarctic penguin abundances to ... of pygoscelid penguins breeding in this region. We find that a high quality survey of Zavodovski ...

   Meeting Document : WG-EMM-12/P02 : Auteur(s): H.J. Lynch, N. Ratcliffe, J. Passmore, E. Foster and P. N. Trathan

2. Catch-at-age analysis applied to new fisheries: the case of Dissostichus eleginoides

   Abstract / Description:  Traditionally, the approach used in the assessment of new fisheries has been based ... resource by coarse methods. The main aim of such surveys is to monitor fishing operations in order to ... Dissostichus eleginoides off the south of Chile which is being conducted in accordance with CCAMLR regulations ... Paper Title:  Catch-at-age analysis applied to new fisheries: the case of Dissostichus eleginoides ... , the approach used in the assessment of new fisheries has been based on research surveys, making it ... of a comprehensive, statistically-based sampling plan. In developed fisheries, the evaluation ... appears to be the best way of performing scientific research in remote areas in an economically feasible ... population; • the stock is in a state of equilibrium before the commencement of research surveys ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 3–9 : Auteur(s): Zuleta, A.V. and C.A. Moreno

3. Proposal to standardise the submission of meeting documents to working groups

   this would result in a standard set of guidelines for the submission of meeting documents to working ... Abstract:  At the request of the Scientific Committee, the Secretariat has prepared a single ... reference document which provides guidelines for the submission of meeting documents to the Scientific ... Committee, WG-EMM and WG-FSA (including ad hoc WG-IMAF). In doing so, the Secretariat noted some Working ...

   Meeting Document : WG-FSA-05/15 : Auteur(s): Secretariat

4. Experimental acoustic estimation of bathypelagic fishes biomasses from the South Georgia and Shag Rock shelf areas with trawl sampling (RV Atlantida, February 1996)

   , data of biological and oceanologica3 researches are presented. The data on target strengths obtained in ... stations location, catch length compostion, per cent proportion of various fish species in trawls samples ... - situ for icefish (Champsocephalus gunnari), the latter per cent proportion in trawl catches, velocity ... and length-weight factors, affecting the genera3 estimation of biomass are analysed. Author(s ...

   Meeting Document : WG-FSA-96/59 : Auteur(s): Sunkovich, V. Yu., Frolkina, G.A., Severin, V.A., Abramov, A.M., Yorobyov, V.M., Polischuk, M.I., Bukatin, P.A., Shnar, V.N.

5. Effects of different harvesting strategies on the mackerel icefish Champsocephalus gunnari around South Georgia

   fishing proved to be the least preferable harvesting alternative. In the absence of regular recruit ... Paper Title:  Effects of different harvesting strategies on the mackerel icefish Champsocephalus ... gunnari around South Georgia Abstract / Description:  The effects of a number of harvesting strategies on ... the mackerel icefish (Champsocephalus gunnari) have been simulated for a period of 30 years. These ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 77–100 : Auteur(s): Köster, F.W. and K.-H. Kock

6. Revision of the fishery–foraging overlap model

   Secretariat was tasked with the revision of the model, including modifications to the model in terms of both ... adjustments to temporal aspects of the underlying model and changes in the form of the index of overlap. The ... Abstract:  The fishery-foraging model of Agnew and Phegan (1995) was reviewed by the Working Group ... on Ecosystem Monitoring and Management and its Subgroup on Statistics in 1997. The review found that ...

   Meeting Document : WG-EMM-98/05 : Auteur(s): Secretariat

7. Performance metrics to index the spatial coverage of mark-recapture data

   measures of spatial overlap and potential bias in the development of tag-based biomass estimates are an ... measure of the potential bias in the biomass estimate calculated from non-homogenous spatial mark ... include a measure of the total spatial distribution of effort through time in research or developing ... fisheries, and a measure of the change in bias of mark-recapture estimates through time. Author(s):  C ...

   Meeting Document : WG-SAM-16/13 : Auteur(s): C. Marsh, A. Dunn and S. Mormede

8. Climate change and the role of CCAMLR

   adapting fishing strategies. ASOC advocates that the role of CCAMLR in the climate change context continues ... 5) providing leadership in reducing the emissions of greenhouse gases during the course of fishing ... Abstract:  Abstract Fishing magnifies the sensitivity of ecosystems to the effects of climate ... change. In the Southern Ocean, CCAMLR has the capacity to reduce this sensitivity by appropriately ...

   Meeting Document : CCAMLR-XXIX/BG/19 : Auteur(s): ASOC Observer

9. Potential climate change effects on the habitat of Antarctic krill

   in growth habitat within the range of predators, such as Antarctic fur seals, foraging from breeding ... than the direct effects of warming. A reduction in primary production could lead to further habitat ... degradation but even a 50% increase in chlorophyll would not completely negate the degradation of habitat ... resource and a major prey item for many fish, birds and mammals in the Southern Ocean. The fishery and the ...

   Meeting Document : WG-EMM-13/20 : Auteur(s): S.L. Hill, T. Phillips and A. Atkinson (United Kingdom)

10. A TALE OF TWO ISLANDS: CONTRASTING FORTUNES FOR SUBANTARCTIC SKUAS AT THE PRINCE EDWARD ISLANDS

    in 2008, whereas the number of skua nests on Marion Island was barely half that counted in 2001 ... removal of cats from Marion Island in the early 1990s has benefited the major native predator of burrowing ... -Antarctic islands, and can be used to monitor the health of burrowing petrel populations. A survey of skuas ... at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in ...

    Meeting Document : WG-EMM-10/P3 : Auteur(s): P.G. Ryan, P.A. Whittington and R.J.M. Crawford

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