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Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Notes on methods for measuring and estimating the status of krill

    Abstract:  Standardisation of methods to measure krill and estimate maturity and feeding status is essential if studies involving inter-comparison of datasets are planned. The methods used by workers from different institutes are outlined in the hope that standardisation by WG-EMM can be

    Meeting Document : WG-EMM-01/16 : Autor(es): I. Everson (United Kingdom)

  2. The development of the role of the WG-EMM Subgroup on Methods

    Abstract:  The WG-EMM sub-group on methods is potentially in a position to change its emphasis from one that considers methods for collecting data as part of CEMP to one that considers and develops methods for analysing and using those data to provide management advice. Within this expanded role

    Meeting Document : WG-EMM-01/17 : Autor(es): K. Reid (United Kingdom)

  3. Growth of Antarctic krill Euphausia superba at South Georgia

    Abstract:  Antarctic krill Euphausia superba has a central role in the ecosystem of the Southern Ocean and knowledge of its growth rate is central to determining the factors influencing population dynamics. The length of Antarctic krill in the diet of Antarctic fur seals Arctocephalus gazella at

    Meeting Document : WG-EMM-01/18 : Autor(es): K. Reid (United Kingdom)

  4. Seasonal and interannual variation in foraging range and habitat of macaroni penguins at South Georgia

    Abstract:  In marine ecosystems, characterisation of the foraging areas and habitats of predators is a key factor in interpreting their ecological role. We studied the foraging areas of macaroni penguins at Bird Island, South Georgia, throughout the breeding seasons of 1999-2001 using satellite

    Meeting Document : WG-EMM-01/19 : Autor(es): K.E. Barlow and J.P. Croxall (United Kingdom)

  5. Growth rates of Antarctic fur seals as indices of environmental conditions

    Abstract:  The growth rates of Antarctic fur seal Arctocephalus gazella pups estimated from weighing cross-sections of the population were compared with measured/inferred changes in the the availability of their main prey species, Antarctic krill Euphausia superba from 1989-2000. There was no

    Meeting Document : WG-EMM-01/20 : Autor(es): K. Reid (United Kingdom)

  6. Environmental response of upper trophic level predators reveals a system change in an Antarctic marine ecosystem

    Abstract:  In the Antarctic Peninsula region current, long-term changes in the physical environment have significant potential to affect populations of Antarctic krill Euphausia superba, a keystone foodweb species. To investigate this we analysed data on krill-eating predators from 1980-2000 at

    Meeting Document : WG-EMM-01/21 : Autor(es): K. Reid and J.P. Croxall (United Kingdom)

  7. Are penguins and seals in competition for Antarctic krill at South Georgia?

    Abstract:  The Antarctic fur seal and macaroni penguin are sympatric top predators that occur in the Southern Ocean around South Georgia where they are, respectively, the main mammal and bird consumers of Antarctic krill. In recent years the population of fur seals has increased whereas that of

    Meeting Document : WG-EMM-01/22 : Autor(es): K.E. Barlow, I.L. Boyd, J.P. Croxall, I.J. Staniland, K. Reid and A.S. Brierley (United Kingdom)

  8. Adélie penguin population change in the pacific sector of Antarctica: relation to sea-ice extent and the Antarctic Circumpolar Current

    Abstract:  One of the longest continuing data sets involving a marine organism in the Antarctic is that of annual estimates of breeding population size of Adélie penguins Pygoscelis adeliae at colonies on Ross Island, Ross Sea, 1959 to 1997. The sizes of these colonies have displayed significant

    Meeting Document : WG-EMM-01/23 : Autor(es): P.R. Wilson (New Zealand), D.G. Ainley, N. Nur, S.S. Jacobs (USA), K.J. Barton (New Zealand), G. Ballard and J.C. Comiso (USA)

  9. Outline details of the proposed aerial photographic survey at South Georgia for estimating breeding population sizes of land-based predators

    Abstract:  This paper describes current research plans to estimate the size of land-based marine predator populations breeding at South Georgia with a view to providing critical data about interactions with commercial fisheries. The research will also develop methodologies that reliably assess

    Meeting Document : WG-EMM-01/24 : Autor(es): P. Trathan and D. Briggs (United Kingdom)

  10. Adélie penguin population change in the pacific sector of Antarctica: relation to sea-ice extent and the Antarctic Circumpolar Current

    Author(s):  P.R. Wilson (New Zealand), D.G. Ainley, N. Nur, S.S. Jacobs (USA), K.J. Barton (New Zealand), G. Ballard and J.C. Comiso (USA) Title:  Adélie penguin population change in the pacific sector of Antarctica: relation to sea-ice extent and the Antarctic Circumpolar Current Approval: 

    Meeting Document : WG-EMM-01/23 Proforma : Autor(es): P.R. Wilson (New Zealand), D.G. Ainley, N. Nur, S.S. Jacobs (USA), K.J. Barton (New Zealand), G. Ballard and J.C. Comiso (USA)

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Correo electrónico: ccamlr [at] ccamlr [dot] org
Teléfono: +61 3 6210 1111
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Dirección: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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