Résultats de la recherche

1. Report on attendance at the Seventh Meeting of the Committee for Environmental Protection under the Madrid Protocol

   Abstract:  This report outlines the participation of the SC-CAMLR Chair in the Seventh Meeting of ... prepared a suggested revised text for consideration by the ATCM, enclosing in square brackets those ... progress of the Antarctic Site Inventory to monitor and assess visitor sites in the Antarctic Peninsula ... . The ASI has collected biological data and site-descriptive information in the Antarctic Peninsula ...

   Meeting Document : CCAMLR-XXIII/BG/07 : Auteur(s): Chair of the CCAMLR Scientific Committee

2. Conserving surface-nesting seabirds at the Prince Edward Islands: the roles of research, monitoring and legislation

   of albatrosses and giant petrels in longline fisheries, and environmental change influencing ... in terms of planned new legislation in South Africa and then developing management plans for them ... International Importance in recognition of their importance to seabirds, with 13 of the 16 species exceeding the ...

   Meeting Document : WG-EMM-03/14 : Auteur(s): R.J.M. Crawford and J. Cooper (South Africa)

3. The effect of temporal variability on power analysis predictions for Adélie penguin CEMP parameters at Béchervaise Island

   ability of CEMP data to detect change. The effect size that should prompt a response if observed in a ... power analysis estimates results in a decreased level of power to detect a trend. Similar power analysis ... results are obtained for a fixed co-efficient of variation of the temporal variability SD in relation to ... to other parameters that are suitable for trend detection. The four CEMP parameters considered in ...

   Meeting Document : WG-EMM-03/49 : Auteur(s): L.M. Emmerson and C. Southwell (Australia)

4. An assessment of temporal variability and interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island

   Abstract:  We examined temporal variability in a series of CEMP parameters collected over the ... the correlation of each parameter with breeding success. Breeding success was measured in terms of 1 ... sex of the foraging birds and the timing of foraging trips were important in determining whether ... season penguin weights, the simplest output from the Automated Penguin Monitoring System (APMS), in terms ...

   Meeting Document : WG-EMM-02/46 : Auteur(s): L.M. Emmerson, J. Clarke, K. Kerry and C. Southwell (Australia)

5. Maximum entropy reconstruction of stock distribution and inference of stock density from line-transect acoustic survey data

   allows the most efficient possible use of known data in the inference process. The method takes explicit ... account of spatial correlation in the observed data and seeks to reconstruct a distribution of density ... approximately 1600 observed data. We inferred krill density for all 32000 0.5 x 0.5 km cells in the area. The ... method is computationally demanding but appears to work well, even in cases when the distribution of ...

   Meeting Document : WG-EMM-02/35 : Auteur(s): A.S. Brierley, S.F. Gull and M.H. Wafy (United Kingdom)

6. Genetic variation among populations of the Antarctic toothfish: evolutionary insights and implications for conservation

   with over 70% of the world’s fish stocks being fully exploited and in many cases overexploited. On top ... granted commercial fishing permits in the most remote marine environment on earth, the high latitude ... species. In this study we focus on patterns of genetic diversity within and between geographically ... fisheries in a manner that will help prevent the loss of unique genetic variation from regional overfishing ...

   Meeting Document : WG-FSA-01/69 : Auteur(s): R.W. Parker, K.N. Paige and A.L. DeVries (USA)

7. Estimates of global krill abundance based on recent acoustic density measurements and their implications for the calculation of precautionary catch limits and the designation of management areas

   between 64 and 137 million tonnes- at the low end of values that have been suggested in the past. The ... the biomass. Additionally, the current precautionary catch limits in the South Atlantic are set using ... the new survey of the South Atlantic is likely to result in an effective biomass which is greater than ... that used in the past. The seasonal and local consequences of elevated catch limits will have to be ...

   Meeting Document : WG-EMM-99/22 : Auteur(s): S. Nicol, A. Constable and T. Pauly (Australia)

8. Antarctic krill and climate change

   Marine Resources and Ecosystem Studies (IMARES) in the Netherlands, and funded by the European Commission ... must be enhanced. To achieve this, critical knowledge gaps in the biology and ecology of Antarctic ... krill need to be closed. Research needs to be intensified on recruitment processes in Antarctic krill ... CCAMLR’s ecosystem-based management approach, 10 recommendations were agreed on during the workshop. In ...

   Meeting Document : SC-CAMLR-XXX/BG/03 : Auteur(s): Delegation of the European Union

9. TOWARDS A SYSTEM OF MARINE SPATIAL PROTECTION FOR THE SOUTH ORKNEY ISLANDS

   11 priority areas in which work to establish spatial protection should be focused (CCAMLR-XXVII ... Report, para 7.2). In 2008, a pilot study undertaken for this region demonstrated that a systematic ... marine spatial protection for the South Orkney Islands region. It concludes that the method outlined in ... considered for implementation in Subarea 48.2. Such measures could include any of the range of tools ...

   Meeting Document : WG-EMM-09/22 : Auteur(s): S. Grant, P.N. Trathan, J. Tratalos and J. Silk (United Kingdom)

10. Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia

    chrysolophus, Antarctic fur seals Arctocephalus gazella, and their zooplankton prey, in particular Antarctic ... hill Euphausia superba, near Bird Island, South Georgia, South Atlantic Ocean, in February 1986 ... between the distributions of predators and their prey with respect to the abundance of krill in the water ... macaroni penguins were concentrating their foraging for krill in the vicinity of the shelf-break. Author(s ...

    Meeting Document : WG-CEMP-93/12 : Auteur(s): G.L. Hunt, Jr (USA), D. Heinemann (USA) and I. Everson (United Kingdom)

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