Résultats de la recherche
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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 ... 2001 to 2003 (Delord et al, 2004). During the 2003/04, 2004/05 and 2005/06 fishing seasons the ... revealed that the incidental catch of white-chinned petrels and grey petrels is caused by a complex set of ... variables relating to the environment and fishing techniques. Results suggest that a significant proportion ...
Meeting Document : SC-CAMLR-XXVI/BG/21 : Auteur(s): Délégation française
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2004/05
Abstract: During the fifteenth year of standardised beach surveys of man-made debris at Bird ... 43% on the 361 items recorded in 2003/04 that corresponded to the highest levels of summer beach ... debris since the 1999/00 season. The distribution of debris between summer and winter was more biased ... than the previous recording period with only 23% of the total number of debris items being collected in ...
Meeting Document : SC-CAMLR-XXV/BG/12 : Auteur(s): Delegation of the United Kingdom
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2005/06
success, diet and foraging behaviour. The gentoo penguin breeding population declined marginally from the ... previous season and is the third lowest population size in the 10 years of census data. The chinstrap ... penguin breeding population has been declining for the Past eight years and is at its lowest size in the ... 10 years of study. Gentoo penguin fledging Success was the highest recorded in all the years of study ...
Meeting Document : WG-EMM-06/P1 : Auteur(s): E.S.W. Leung, R.A. Orben and W.Z. Trivelpiece (USA)
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Beach debris survey – Signy Island, South Orkney Islands 2002
Abstract: During the 2001/2002 austral summer the twelth annual beach debris survey was carried ... from three study beaches. The debris was counted, measured and classified by type, mass and size ... categories. A total of 39 items weighing 25.47kg were collected. The number of items found was the largest ... since 1999/00 and the total mass of the waste recovered was the highest recorded since 1994/95 (an ...
Meeting Document : SC-CAMLR-XXI/BG/05 : Auteur(s): Delegation of the United Kingdom
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Estimating nest-level phenology and reproductive success of colonial seabirds using time-lapse cameras
Abstract: We wish to draw the attention of Members to an online application of the R code ... published in the attached paper. The web-based app ‘photoR’ (https://jefferson.shinyapps.io/photor2 ... ) implements the methods of the paper and provides summary outputs for direct input to CEMP A6b and A9 eforms ... . The abstract of the paper follows: Summary 1. Collecting spatially extensive data on phenology and ...
Meeting Document : WG-EMM-18/P01 : Auteur(s): J.T. Hinke, A. Barbosa, L.M. Emmerson, T. Hart, M.A Juáres, M. Korczak-Abshire, G. Milinevsky, M. Santos, P.N. Trathan, G.M. Watters and C. Southwell
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Peak mortality of krill, fished with midwater trawls and feasible criteria of krill trawls ecological safety
Abstract: The mathematical model of a fishery object contact against a mesh, while escaping ... through a trawl chafer, is presented. Based on it t the equations are provided to calculate the object ... elimination probability caused by cath and mortality in fishery operations. The coefficient of trawl ... ecological safety is offered, which is the ratio of the amount of the objects caught and objects caught and ...
Meeting Document : WG-KRILL-93/34 : Auteur(s): Yu. V. Kadilnikov (Russia)
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Proposition portant création d'une aire marine protégée dans la région de la mer de Ross
Abstract: The delegation of New Zealand proposes the establishment by the Commission for the ... the Ross Sea Region (“Ross Sea Region Marine Protected Area”). In recognition of the globally ... significant ecological, environmental, scientific and historic values of the Ross Sea Region, and in line with ... the work plan of the Scientific Committee to develop a representative system of Antarctic MPAs, the ...
Meeting Document : CCAMLR-XXXI/16 Rev. 1 : Auteur(s): Delegations of New Zealand and the USA
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SUMMER SURVEY OF FUR SEALS AT PRINCE EDWARD ISLAND, SOUTHERN INDIAN OCEAN
Abstract: The onshore distributions and the abundances of Antarctic fur seals Arctocephalus ... December 2008. This repeats a survey conducted in December 2001 and extends the area surveyed to include ... the entire south-west coast of Prince Edward Island. Of the two colonies of Antarctic fur seals, the ... Subantarctic fur seals and putative hybrids. The other Antarctic fur seal breeding colony at Penguin Beach ...
Meeting Document : WG-EMM-10/P15 : Auteur(s): M.N. Bester, P.G. Ryan and J. Visagie
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Modelling growth and reproduction of Antarctic krill: implications of spatial and temporal trends in temperature and food for ecosystem-based management of krill fisheries
Abstract: Errors in the growth model used in stock assessments of Antarctic krill, specifically ... higher rates of growth than occur in reality, could inadvertantly lead to over-exploitation of the krill ... population and cause impacts on krill predators. We review the three classes of models available for ... modelling krill growth – the von Bertalanffy class, the moult-cycle class based on measures of the duration ...
Meeting Document : WG-EMM-12/38 : Auteur(s): A.J. Constable and S. Kawaguchi (Australia)
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Density and biomass of Antarctic krill around South Shetland Islands using by 2-dB difference method
Abstract: The dB-difference and characteristics of krill aggregation inhabiting Subarea 48.1 ... , which includes the Elephant Island peripheries and the west and south of the South Shetland Islands ... data were collected along 24 survey lines using the frequencies 38 and 120 kHz, and midwater trawling ... was performed at seven stations. Using the difference between the dB values of two volume ...
Meeting Document : SG-ASAM-17/04 : Auteur(s): S.-G. Choi, K. Lee and D. An