Résultats de la recherche
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A REVIEW OF BIAS AND UNCERTAINTY IN ANTARCTIC PACK-ICE SEAL ABUNDANCE ESTIMATES
Abstract: While the joint CCAMLR-IWC workshop will consider a number of parameters for species ... of pack-ice seals focuses primarily on abundance and to a lesser extent trends in abundance. The ... review addresses population surveys and abundance estimates for the four species of phocid seal commonly ... spatial scope covers the circumpolar extent of pack-ice, and the temporal scope spans a period of more ...
Meeting Document : CCAMLR-IWC-WS-08/06 : Auteur(s): Steinhage, D., Bengtson, J., Blix, A.S., Bester, M., Boveng, P., Laake, J., Cameron, M., Nordøy, E., Forcada, J., Stewart, B., Southwell, C., Trathan, P., Rogers, T., Plotz, J., Bornemann, H.
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Draft: differences in the foraging strategies of male and female Adelie penguins
of breeding Adelie penguins were demonstrated at two widely separated locations over a number of ... Abstract: Consistent gender differences in foraging trip durations, feeding localities and diet ... frequently and consumed larger quantities of krill, especially when chicks were small. Males tended instead ... on fish throughout chick rearing. The importance of these results to monitoring programs such as the ...
Meeting Document : WG-EMM-95/46 : Auteur(s): Franchi, E., Kerry, K., Clarke, J.
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Foraging response of Antarctic fur seals to changes in the marine environment
1964 d at sea. The frequencies of krill, fish and squid in the diet were estimated from prey items ... Abstract: This study examined the relative contribution of environmental variation and the ... seasonal demands of pup rearing on the foraging behaviour of female Antarctic fur seals Arctocephalus ... gazella at Bird Island, South Georgia (54° S, 38° W), during 3 austral summers (1994 to 1996). Time-depth ...
Meeting Document : WG-EMM-99/35 : Auteur(s): D.J. McCafferty, I.L. Boyd, T.R. Walker and R.I. Taylor (United Kingdom)
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Development of standard methods for environmental data
Abstract: At the request of WG-EMM-97, the Secretariat has revised the draft standard method for ... -ice cover viewed from a CEMP site), F3 (local weather at a CEMP site) and F4 (snow cover at a CEMP ... site). Author(s): Secretariat Title: Development of standard methods for environmental data Approval ...
Meeting Document : WG-EMM-98/06 : Auteur(s): Secretariat
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Birds: Trophic modelling of the Ross Sea
. Bradford-Grieve and S.M. Hanchet. 2010. A balanced model of the food web of the Ross Sea, Antarctica ... region each year at the end of the breeding season. This export will be offset by the breeding adults ... Beaufort Island in the Ross Sea (Burns & Kooyman 2001). There are also 6000 pairs of emperor penguins at ... (Dewey 1999) until Dec/Jan. Chicks weigh about 50% of adult mass (approximately 3 9.9–14.8 kg) at ... . Adults are not assumed to grow at all, though their weight varies substantially through periods of ...
Document : Site Section: Publications
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A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season
, fished commercially for mackerel icefish at South Georgia (Subarea 48.3) using a midwater trawl for ten ... days between 25 December 1997 and 5 January 1998. The total catch of C. gunnari was 5.04 tonnes in 34 ... hauls. 67% of this catch was taken in just two hauls, confirming the patchy distribution of this species ... . Most of the catch was made up of fish between 22 and 30 cm long. Fish of this size range have ...
Meeting Document : WG-FSA-98/53 : Auteur(s): G. Parkes, A. King and C. Jones (United Kingdom)
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Proposal to standardise the submission of meeting documents to working groups
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 ... benefit from some standardisation of the Working Group-specific differences in relation to: submission ... proposal to WG-FSA for consideration at its meeting in 2005. Author(s): Secretariat Title: Proposal to ...
Meeting Document : WG-EMM-05/10 : Auteur(s): Secretariat
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Review of the South Orkney Islands Southern Shelf (MPA Planning Domain 1, Subarea 48.2)
areas across the Convention Area. At the time of its adoption, the Commission agreed to review CM 91-03 ... -03 remain the same as at the time of its designation. We therefore suggest that there is no ... measures specified in CM 91-03. Author(s): Delegation of the European Union Title: Review of the South ... in 2009 (CCAMLR-XXVIII paragraph 7.1; CM 91-03) with the objective of contributing towards the ...
Meeting Document : WG-EMM-14/26 : Auteur(s): Delegation of the European Union
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Atlas of coastal sea ice in eastern Antarctica
vicinity of the CCAMLR Ecosystem Monitoring Program sites at Bechervaise Island near the Australian Station ... of Mawson, at Edmonson Point in the vicinity of the Italian Station of Terra Nova Bay and at Ross ... penguins at Bechervaise Island and cover the period September to the following March in each of the seasons ... 1995/6 and 1997/98. Season 1995/6 was one of low breeding success and when the sea ice remained at the ...
Meeting Document : WG-EMM-02/54 : Auteur(s): K. Michael, K. Hill, K. Kerry and H. Brolsma (Australia)
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Approaches to evaluating and testing of CEMP methods for parameters A1, A5 and A7
description of foraging trip duration using the mean arising from a bimodal distribution of trip durations may ... Abstract: The methods and presentation of CEMP parameters A1, A5 and A7 where evaluated using ... simulated time-series data. The effects of sampling timing and intensity during five-day periods for ... measures of arrival and fledging mass suggested that situations where sampling is distributed unevenly ...
Meeting Document : WG-EMM-04/60 : Auteur(s): G. Watters (USA) and K. Reid (United Kingdom)