Résultats de la recherche
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VARIABILITY IN KRILL BIOMASS LINKS HARVESTING AND CLIMATE WARMING TO PENGUIN POPULATION CHANGES IN ANTARCTICA
areas on the planet, with 5–6 °C increases in mean winter air temperatures and associated decreases in ... penguin abundance with trends in krill biomass explains why populations of Adélie and chinstrap penguins ...
Meeting Document : WG-EMM-11/P1 : Auteur(s): W.Z. Trivelpiece, J.T. Hinke, A.K. Miller, C.S. Reiss, S.G. Trivelpiece and G.M. Watters
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Investigations of krill transport factors in the local areas in the Scotia Sea: variability of krill distribution in the fishing grounds under the transport impact
each study areas were accompanied with pulsatory pattern of krill transport, i.e. krill transported ... biomass portions with different commercial importance were transported into the fishing grounds. The ...
Meeting Document : WG-EMM-07/17 : Auteur(s): S.M. Kasatkina and V.N. Shnar (Russia)
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Note sur l'étude des effets environnementaux, spatiaux, temporels et opérationnels sur la mortalité accidentelle des oiseaux dans la pêcherie à la palangre dans les secteurs de Crozet et Kerguelen en 2003–2006
Abstract: Incidental mortality has diminished considerably in comparison with the period from ... to geographical area, being higher at Kerguelen (where there are some geographical disparities, with ...
Meeting Document : SC-CAMLR-XXVI/BG/21 : Auteur(s): Délégation française
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Antarctic icefishes (Channichthyidae) – a unique family of fishes – a review
haemoglobin. With the exception of one species, icefish live only in the cold – stable and oxygen – rich ... the 1970’s and 1980’s with Champsocephalus gunnari as the main target species. Most stocks of this ...
Meeting Document : WG-FSA-04/10 : Auteur(s): K.-H. Kock (Germany)
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An 8-year cycle in krill biomass density inferred from acoustic surveys conducted in the vicinity of the South Shetland Islands during the austral summers of 1991/1992 through 2001/2002
, comparisons with the proportion of juvenile krill in simultaneous net samples suggest that the changes in ... biomass density are consistent with apparent changes in reproductive success. A truncated Fourier series ...
Meeting Document : WG-EMM-03/6 : Auteur(s): R.P. Hewitt, D.A. Demer and J.H. Emery (USA)
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Demography and population trends of the Atlantic yellow-nosed albatross
only 84 ± 2%. Annual survival of Tristan birds was negatively correlated with longline fishing effort ... Gough Island and 5.5% on Tristan da Cunha. Comparison with congeners suggests that the observed and ...
Meeting Document : WG-FSA-03/37 : Auteur(s): R. Cuthbert (United Kingdom), P.G. Ryan, J. Cooper (South Africa) and G. Hilton (United Kingdom)
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Preliminary assessment of mackerel icefish, Champsocephalus gunnari, on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
approximately 20% of the 2002 estimate. This decline in abundance is consistent with the passage of the strong ... in recruitment, natural mortality and growth of these fish, combined with the need to maintain a ...
Meeting Document : WG-FSA-03/32 : Auteur(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)
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Krill population dynamics in the Scotia Sea: variability in growth and mortality within a single population
17 rates are consistent with published values and with other Euphausiids species. Having accounted ...
Meeting Document : WG-EMM-02/16 : Auteur(s): K. Reid, E.J. Murphy (United Kingdom), V. Loeb and R.P. Hewitt (USA)
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Antarctic fur seals in the South Shetland Islands: pup production and population trends
%) and San Telmo Islands (21%). Dead pups accounted for 1.37% of the total. A comparison with previous ... at individual colonies varied with some increasing and others decreasing. The San Telmo Islands had ...
Meeting Document : WG-EMM-02/51 : Auteur(s): M.E. Goebel (USA), V.I. Vallejos (Chile), W.Z. Trivelpiece, R.S. Holt (USA) and J. Acevedo (Chile)
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Spatial distribution of foraging by female Antarctic fur seals
dispersed to specific regions associated with the continental shelf east of Patagonia (>1000 km) and to ... by lactating female fur seals predicted spatial distributions that were consistent with past ...
Meeting Document : WG-EMM-01/26 : Auteur(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)