Résultats de la recherche
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SUMMER SURVEY OF FUR SEALS AT PRINCE EDWARD ISLAND, SOUTHERN INDIAN OCEAN
11.4% per year from 2001. With an estimated 810 pups, the Antarctic fur seal is still in the rapid ... intrinsic rate of natural increase has declined to –0.3% per year over the last seven years, compared to the ... gazella and Subantarctic fur seals A. tropicalis were determined at Prince Edward Island during 16–20 ... the entire south-west coast of Prince Edward Island. Of the two colonies of Antarctic fur seals, the ...
Meeting Document : WG-EMM-10/P15 : Auteur(s): M.N. Bester, P.G. Ryan and J. Visagie
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Distribution of foraging by female Antarctic fur seals
around the island of South Georgia were an important indicator for the localisation of foraging. This ... Abstract: The study examined the distribution of critical habitat for foraging by female ... forage mainly within 100 km of the location at which the offspring was being raised. When this constraint ... develop a function that described the foraging distribution for the whole breeding population of females ...
Meeting Document : WG-EMM-03/38 : Auteur(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)
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e-sc-xxv-a6.pdf
... general been better than for trawl surveys. WG-FSA-SAM has agreed to assemble a report this year on the ... 20 for the TS–length relationship may not be appropriate for icefish. Application of the new target ... more dispersed form. Most icefish caught during the survey ranged in length between 20 and 30 cm ... IN ICEFISH ACOUSTICS Target strength 23. Dr Macaulay gave an overview of methods for measuring
application/pdf attached to:SG-ASAM-06Meeting Report : SG-ASAM-06
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WG-FSA-05
. WG-FSA-05/P7 An alternative method for estimating the level of illegal fishing using simulated ... Meeting of the Working Group on Fish Stock Assessment (WG FSA) WG-FSA-05/10 Summary of an observation ... – Agreement on the Conservation of Albatrosses and Petrels WG-FSA-05/26 Proposal for adopting new longline ... Ross Sea for the years 1997/98 to 2004/05 A. Dunn and N.L. Phillips (New Zealand) WG-FSA-05/33 A single ...
Meeting
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NEW REGIONAL-SCALE SURVEYS OF THE ADÉLIE PENGUIN BREEDING POPULATION IN PRYDZ BAY: A STEP TOWARDS IMPROVED ESTIMATION OF KRILL CONSUMPTION IN EAST ANTARCTICA
abundance for two sub-regions, comparative air and ground counts to assess detectability of penguins from ... conducted 30 years ago. To understand current levels of prey consumption in east Antarctica it is therefore ... Abstract: Understanding circumpolar penguin abundance is critical for developing realistic ... priority region for new survey work to improve population estimates. Prydz Bay is considered to have the ...
Meeting Document : WG-EMM-11/32 : Auteur(s): C. Southwell, J. McKinlay, K. Newbery, L. Emmerson and J. Lieser (Australia)
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e-sc-xxvii-a6.pdf
... 1). The observer on board the Viking Bay, fishing in Subarea 48.3, reported that for the first two ... France submit similar figures in 2009 for both Subarea 58.6 and Division 58.5.1, based on an incidental ... proportions of hooks observed were similar to those observed last year, ranging from 13 to 100% with an ... instructions for all fisheries to reflect this revised definition of an injured bird. Seabirds in trawl
application/pdf attached to:WG-IMAF-08Meeting Report : WG-IMAF-08
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Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)
Notothenia gibberifrons specimens collected at two localities near the South Shetland Islands (Low I. and ... scale readings gave a result of one year more. This could arise from the difficulty in differentiating ... most reliable method. Mean length data at age presented here for Low I. specimens were compared with ... previously for specimens of South Bay, Palmer Archipelago. Possible reasons for these differences are ... ), however, no data were obtained for the first 1-4 year age groups. Therefore, growth curves were not ... one extra year (Table 1). This could arise from the difficulties with false checks as mentioned above ... ~ N 0'= 42 0 8 r ~n N~ = 53 ~ 6 4 z 2 ---- >- 14 16 18 20 22 24 26 28 30 32 34 36 38 u z t4 ... w :::> 12 ~ iO t N cf= 15 0 0::: 8 r B ~ I.L N~ = 22 6 4 2 14 16 18 20 22 24 26 28 30 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Auteur(s): Barrera-Oro, E.
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e-sc-xxviii-a9.pdf
... Technical Group agreed that a priority for its future work should be to advise on the development of an ... allowing catch for every two-hour interval with position information. 2.6 Materials presented at last ... of gear each year, which is likely to be the case for IUU gillnet operations in the Convention Area ... behaviour of vessels would be the same for these two types of operation. 2.17 The Technical Group noted
application/pdf attached to:TASO-09Meeting Report : TASO-09
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Summer survey of fur seals at Prince Edward Island, southern Indian Ocean
11.4% per year from 2001. With an estimated 810 pups, the Antarctic fur seal is still in the rapid ... intrinsic rate of natural increase has declined to –0.3% per year over the last seven years, compared to the ... gazella and Subantarctic fur seals A. tropicalis were determined at Prince Edward Island during 16–20 ... the entire south-west coast of Prince Edward Island. Of the two colonies of Antarctic fur seals, the ...
Meeting Document : WG-EMM-10/P15 : Auteur(s): M.N. Bester, P.G. Ryan and J. Visagie
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Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic
eleginoides) was investigated in two offshore regions in the southwestern Atlantic: on the Argentinian ... °-45°W. The South Georgia area was divided into two zones: the shelf zone and deep-water zone. On the ... continental shelf/slope between 46°-55°S and 60°-64°W, and around South Georgia between 53°-55°30' and 3 ... Argentinian continental shelf/slope, the length of D. eleginoides ranged from 30 to 95 cm total length (TL ... main line of 20 000 m, with branch lines each with 90 hooks (model 'Ancora', 30 mm gap) spaced at 1 m ... distribution for the species of the family Lithodidae in the Atlantic Ocean where only two crab species of ... , krill abundance is low and krill do not constitute an important food item for D. eleginoides ... investigated in two offshore regions in the southwestern Atlantic: on the Argentinian continental shelf/slope ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Auteur(s): García de la Rosa, S.B., F. Sánchez and D. Figueroa