Resultados de la búsqueda
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Population dynamics of the wandering albatross Diomedea exulans at Marion Island: long-line fishing and environmental influences
in the Marion Island population has fluctuated over the past three decades and appears to be the ... result of both real changes in the size of the population and changes in the proportion of the population ... that attempts to breed in a given year. Changes in several demographic parameters that appear to be ... breeders in the population was positively correlated with the maximum ENSO index, whereas the annual ...
Meeting Document : WG-EMM-03/11 : Autor(es): D.C. Nel, F. Taylor, P.G. Ryan and J. Cooper (South Africa)
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The Ross Sea, Antarctica, where all ecosystem processes still remain for study
lost its large baleen whales but otherwise is intact. A huge multidisciplinary, international ... scientific effort has been invested in studies of the geology, physics and biology of the Ross Sea over the ... past 45 years. In particular the activities of the US, NZ and Italian Antarctic programs have been a ... wealth of knowledge, including long-term biological data sets, not available anywhere else in the ...
Meeting Document : WG-EMM-02/60 : Autor(es): D. Ainley (USA)
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Population dynamics of wandering albatrosses Diomedea exulans at sub-Antarctic Marion Island: longline fishing and environmental influences
Wandering Albatross Diomedea exulans. The number of birds breeding in this population has fluctuated over ... the past three decades and appears to be the result of both real changes in the size of the population ... and changes in the proportion of the population that attempts to breed in a given year. We describe ... changes in several demographic parameters that appear to be influenced by both environmental and ...
Meeting Document : WG-FSA-02/16 : Autor(es): D.C. Nel, P.G. Ryan and J. Cooper (South Africa)
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Estimating the biodiversity of the shelf and oceanic zone of the d’Urville Sea (East Antarctica) for ecoregionalisation using the CEAMARC (Collaborative East Antarctic Marine Census) CAML surveys
Abstract: A proposal for a representative system of MPAs (RSMPA) for eastern Antarctica (CCAMLR ... of the areas identified in the proposal (140-150°E from the coast to 60°S). This area has been ... studied by a number of countries in the CEAMARC surveys (Collaborative East Antarctic Marine Census) as ... hosted by France in Brest in late May 2011. It collates and synthesises available data from the CEAMARC ...
Meeting Document : WS-MPA-11/07 : Autor(es): P. Koubbi (France), G. Hosie, A. Constable, B. Raymond (Australia), M. Moteki (Japan), N. Améziane, R. Causse (France), V. Fuentes (Spain), K. Heerah, F. Penot, D. Vincent, A. Ancel, C.A. Bost, M. Eléaume (France), D. Lindsay (Japan), M. Lindsay (Australi
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Acoustic estimates of krill density at South Georgia during 11 austral summers between 1981 and 1998
north-eastern and north-western ends of South Georgia. In four of these years density was higher to the ...
Meeting Document : WG-EMM-98/51 : Autor(es): A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK)
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Line weights of constant mass (and sink rates) for Spanish-rig Patagonian toothfish longline vessels
collections of rocks enclosed in netting bags. The netting bags abrade on the seabed, rocks are lost and ... chartered Spanish-rig longline vessel to determine the statistical relationship in sink rates of longlines ... for rock weights while remaining in compliance to the sink rates associated with the line weighting ... method (a modified version of the former method to avoid fish loss by toothed whales) were examined in ...
Meeting Document : WG-FSA-07/15 : Autor(es): G. Robertson (Australia), C.A. Moreno, E. Gutiérrez (Chile), S.G. Candy (Australia), E.F. Melvin (USA) and J.P. Seco Pon (Argentina)
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Seabird by-catch by tuna longline fisheries off southern Africa, 1998–2000
Abstract: The incidental mortality of seabirds in tuna longline fisheries is estimated for the ... % effort observed) had a higher bycatch rate (2.6 birds per 1 000 hooks, range per trip 0.1–5.4) than South ... bycatch differed regionally in relation to the numbers of birds attending vessels. In international waters ... seabirds are killed annually in South Africa’s EEZ, of which 70% are albatrosses. Confidence in these ...
Meeting Document : WG-FSA-01/28 : Autor(es): P.G. Ryan, D.G. Keith and M. Kroese (South Africa)
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FAO PSM Guide
of material in this information product do not imply the expression of any opinion whatsoever on ... FAO in preference to others of a similar nature that are not mentioned. The views expressed in this ... -5-107146-5 All rights reserved. FAO encourages reproduction and dissemination of material in this ... support capacity development in FAO member countries. The Circular is intended to meet calls from the FAO ...
Document : Site Section: Compliance
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CEAMARC, the Collaborative East Antarctic Marine Census for the Census of Antarctic Marine Life (IPY # 53): An overview
was a major ship-based research programme in the austral summer of 2007e2008 involving scientists from ... of Terre Ade´lie and George V Land of Eastern Antarctica. CEAMARC has provided a robust benchmark of ... the marine life in this poorly studied sector and will help to establish the monitoring of future ... changes in this region. Author(s): G. Hosie, P. Koubbi, M. Riddle, C. Ozouf-Costaz, M. Moteki, M. Fukuchi ...
Meeting Document : WS-MPA-11/P01 : Autor(es): G. Hosie, P. Koubbi, M. Riddle, C. Ozouf-Costaz, M. Moteki, M. Fukuchi, N. Ameziane, T. Ishimaru, A. Goffart
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Variation or reproductive performance of seabirds and seals at South Georgia, 1976–1986 and its implication for Southern Ocean monitoring studies
Orkney Islands) are summarised and reviewed. Breeding success of the Wandering Albatross, which breeds in ... / significantly. The other species at South Georgia, which breed in summer and for which krill forms a significant ... proportion of their diet, have shown major fluctuations in some or all of: breeding population size, breeding ... success, foraging trip duration and offspring growth rate. 1977-78 and 1983-84 were summers of ...
Meeting Document : WG-CEMP-87/13 : Autor(es): J.P. Croxall, T.S. McCann, P.A. Prince and P. Rothery (United Kingdom)