Résultats de la recherche
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Preliminary assessment of toothfish in Subarea 48.3
were high numbers of the 2001 cohort in commercial catches in 2009 onwards. It is likely that it is ... due to a combination of a strong 2001 cohort and a change in selectivity for the commercial fleet, but ... from 2004 to 2008 suggest a strong 2001 cohort. Model projections, evidence of cohort strength from the ...
Meeting Document : WG-FSA-11/33 Rev. 1 : Auteur(s): T. Peatman, R.E. Mitchell, G. Parkes and D.J. Agnew (United Kingdom)
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Outline details of the proposed aerial photographic survey at South Georgia for estimating breeding population sizes of land-based predators
concentrate upon those species where there is a high probability of interaction with fisheries and significant ...
Meeting Document : WG-EMM-01/24 : Auteur(s): P. Trathan and D. Briggs (United Kingdom)
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Target strength of mackerel icefish (Champsocephalus gunnari) from a scattering model
density throughout the fish and simulated the complex interaction of the incident sound wave with the ...
Meeting Document : SG-ASAM-09/06 : Auteur(s): G. Macaulay (New Zealand)
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A TALE OF TWO ISLANDS: CONTRASTING FORTUNES FOR SUBANTARCTIC SKUAS AT THE PRINCE EDWARD ISLANDS
December 2001. Prince Edward Island (46 km2) remains free of introduced mammals, whereas Marion Island (290 ... breeding pairs at Prince Edward Island increased from 2001 to 2008, probably as a result of better coverage ... in 2008, whereas the number of skua nests on Marion Island was barely half that counted in 2001 ...
Meeting Document : WG-EMM-10/P3 : Auteur(s): P.G. Ryan, P.A. Whittington and R.J.M. Crawford
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SUMMER SURVEY OF FUR SEALS AT PRINCE EDWARD ISLAND, SOUTHERN INDIAN OCEAN
December 2008. This repeats a survey conducted in December 2001 and extends the area surveyed to include ... 11.4% per year from 2001. With an estimated 810 pups, the Antarctic fur seal is still in the rapid ... 9.3% per year between 1987/1988 and 2001/2002, and the population is in the mature phase of population ...
Meeting Document : WG-EMM-10/P15 : Auteur(s): M.N. Bester, P.G. Ryan and J. Visagie
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Diet of grey-headed albatrosses at the Diego Ramírez Islands, Chile: ecological implications
prey hard parts present in 103 chick regurgitates obtained during breeding seasons 2000, 2001 and 2002 ... . The squid Martialia hyadesi predominated in the diet samples in 2001 and 2002 (89% and 81% of ... significantly lower than in 2001 and 2002. Chick growth rate during 2000 was also the lowest recorded. This ...
Meeting Document : WG-FSA-04/12 : Auteur(s): J. Arata (Chile), G. Robertson (Australia), J. Valencia (Chile), J.C. Xavier (UK) and C.A. Moreno (Chile)
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A tale of two islands: contrasting fortunes for sub-Antarctic skuas at the Prince Edward Islands
December 2001. Prince Edward Island (46 km 2) remains free of introduced mammals, whereas Marion Island ... of breeding pairs at Prince Edward Island increased from 2001 to 2008, probably as a result of better ... coverage in 2008, whereas the number of skua nests on Marion Island was barely half that counted in 2001 ...
Meeting Document : WG-EMM-10/P03 : Auteur(s): P.G. Ryan, P.A. Whittington and R.J.M. Crawford
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Summer survey of fur seals at Prince Edward Island, southern Indian Ocean
December 2008. This repeats a survey conducted in December 2001 and extends the area surveyed to include ... 11.4% per year from 2001. With an estimated 810 pups, the Antarctic fur seal is still in the rapid ... 9.3% per year between 1987/1988 and 2001/2002, and the population is in the mature phase of population ...
Meeting Document : WG-EMM-10/P15 : Auteur(s): M.N. Bester, P.G. Ryan and J. Visagie
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Educational poster on hook ingestion
Abstract: Since the 2001/2002 season CCAMLR has recognised the importance of the high level of ... large enough to swallow fish heads whole (SC-CAMLRR-XXI/BG/7). For example, in 2001/02 the scientific ... them. The hooks found in albatross colonies at South Georgia in years prior to 2001/02 were of the type ...
Meeting Document : WG-FSA-07/20 : Auteur(s): G. Robertson (Australia)
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COLLAPSE OF SOUTH AFRICA’S PENGUINS IN THE EARLY 21ST CENTURY
from about 56 000 pairs in 2001 to some 21 000 pairs in 2009, a loss of 35 000 pairs (>60%) in eight ... purse-seine fisheries. In Algoa Bay, numbers of African penguins halved from 21 000 pairs in 2001 to 10 ... 000 pairs in 2003. In the Western Cape, numbers decreased from a mean of 35 000 pairs in 2001–2005 to ...
Meeting Document : WG-EMM-11/P8 : Auteur(s): R.J.M. Crawford, R. Altwegg, B.J. Barham, P.J. Barham, J.M. Durant, B.M. Dyer, D. Geldenhuys, A.B. Makhado, L. Pichegru, P.G. Ryan, L.G. Underhill, L. Upfold, J. Visagie, L.J. Waller and P.A. Whittington