Resultados de la búsqueda
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IMPLEMENTATION OF THE SYSTEM OF INSPECTION AND OTHER CCAMLR COMPLIANCE-RELATED MEASURES IN 2009/10
Abstract: IMPLEMENTATION OF THE SYSTEM OF INSPECTION AND OTHER CCAMLR COMPLIANCE-RELATED MEASURES ... IN 2009/10 INTRODUCTION This paper summarises information on the implementation of the System of ... on the implementation of conservation measures related to fisheries management and the submission of ... data has been provided in CCAMLR-XXIX/BG/9, although details of some compliance-related aspects of ...
Meeting Document : CCAMLR-XXIX/BG/07 : Autor(es): Secretariat
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Length-age composition of icefish (Champsocephalus gunnari, perciformes, notothenioidei, Channichthyidae) from different locations of South Georgia Island subarea
have been used to study length-age composition of Champsocephalus gunnari from different locations of ... South Georgia Island Subarea. An analysis of Ch.gunnari length-age groups spatial distribution over ... Eastern, Northern, Western, Southern Island Shelf and near Shag Rocks allowed for revealing similarity of ... Ch.gunnari length-age composition structure at early years of life for fish inhabiting areas to the south of ...
Meeting Document : WG-FSA-00/32 : Autor(es): Zh.A. Frolkina (Russia)
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Estimating the biodiversity and distribution of the northern part of the Kerguelen Islands slope, shelf and shelf-break for ecoregionalisation: benthos and demersal fish
. However, few of them have collected benthic organisms. Between 1961 and 1970, numerous surveys were ... limited areas. However, they collected numerous specimens and led to a first estimate of the local ... biological diversity. The richest cruises for the quantity of benthos collected are MD03 and MD04 (1974 and ... 1975 respectively) on the research vessel “ Marion Dufresne ”. The purpose of these cruises was to ...
Meeting Document : WS-MPA-11/09 : Autor(es): N. Améziane, M. Eléaume, P. Pruvost, G. Duhamel and Kerguelen group (France)
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Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass
, while the second is a generalised yield model. The decision rules relate to the effects of a specified ... long-term annual yield (γ) on (i) the probability of the spawning stock being reduced below a set ... proportion of SB0 during a projection run (probability of critical depletion) and (ii) the median status of ... the spawning stock (as a proportion of SB0) at the end of the projection run (level of escapement ...
Meeting Document : WG-EMM-97/45 : Autor(es): de la Mare, W.K., Constable, A.J.
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Revised estimates of yield for Electrona carlsbergi based on a generalised version of the CCAMLR krill yield model
Abstract: Traditional methods for estimating yield per recruit as a function of fishing mortality ... can result in inappropriate high estimates of yield that could lead to depletion of stocks because of ... widely varying recruitment patterns, overestimation of the abundance of the stock and age of the most ... probabilities of the stock of Electrona carlsbergi becoming depleted over a 20 year period. These projections ...
Meeting Document : WG-FSA-94/21 : Autor(es): A.J. Constable and W.K. de la Mare (Australia)
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Elaborating a representative system of marine protected areas in eastern Antarctica, south of 60°S
Abstract: The plan of implementation for Agenda 21 of the United Nations World Summit on ... Sustainable Development (2002) requires an estate of marine protected areas for the purposes of long‐term ... conservation of marine biodiversity by 2012. A representative system of marine protected areas (RSMPA) will be ... one that (i) provides a spatial estate of the smallest area sufficient to satisfy the principles of ...
Meeting Document : WG-EMM-10/26 : Autor(es): A.J. Constable, B. Raymond, S. Doust, D. Welsford and K. Martin-Smith (Australia)
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ESTIMATION OF IUU CATCHES OF TOOTHFISH INSIDE THE CONVENTION AREA DURING THE 2009/10 FISHING SEASON
Abstract: ABSTRACT The paper presents an estimate of IUU catches of toothfish during the 2009/10 ... 2010 to take into account new information submitted in respect of two vessels fishing in Divisions ... 58.4.1 and 58.4.4a. Changes from version 1 are highlighted in bold. ESTIMATION OF IUU CATCHES OF ... prepared an estimate of IUU catches of Dissostichus spp. in the Convention Area for the 2009/10 season ...
Meeting Document : WG-FSA-10/06 : Autor(es): Secretariat
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Krill of the Ross Sea: distribution, abundance and demography of Euphausia superba and Euphausia crystallorophias during the Italian Antarctic expedition (January–February 2000)
) were analysed to obtain a general picture of the summer distribution pattern, abundance and demography ... of krill in the western Ross Sea (Antarctica). A midwater sampler-trawl (Hamburg Plankton Net) was ... used to collect zooplankton and fish larvae. Mean relative biomass of Antarctic krill Euphausia superba ... , in the area north of Continental Shelf, was 9.3 g/1000m3 of filtered water with a mean density of ...
Meeting Document : WG-EMM-02/32 Text : Autor(es): A. Sala, M. Azzali and A. Russo (Italy)
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Modelling the consequences of Antarctic krill harvesting of Antarctic fur seals
Abstract: In terms of the convention governing the Commission for the Conservation of Antarctic ... should take the needs of the predators of krill into account in order to reduce the risk of deleterious ... an annual krill catch limit, which is expressed as a proportion (??= 0.116) of a survey biomass ... estimate. This approach takes the needs of predators into account in only a crude way by assuming that a ...
Meeting Document : WG-EMM-01/66 : Autor(es): R.B. Thomson, D.S. Butterworth (South Africa), I.L. Boyd and J.P. Croxall (United Kingdom)
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Geographical aspects of utilising resources of krill (Euphausia superba)
Abstract: This paper presents data on the distribution of E. superba in the Atlantic sector and ... adjacent waters with an emphasis on subregions lying beyond the current fishing grounds of the Scotia Sea ... . In a number of subregions on the periphery of the Weddell Gyre (both to the north and south), as well ... as in the coastal waters of the Antarctic continent, the formation of krill aggregations is variable ...
Meeting Document : WG-EMM-96/05 : Autor(es): Makarov, R.R.