Résultats de la recherche
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Pre-spawning and spawning biology of the Patagonian toothfish, Dissostichus eleginoides, around South Georgia (Subarea 48.3)
reproductive part of the Dissostichus eleginoides population in Subarea 48.3. Analysis and synthesis of these ... Abstract: Samples gathered from research expeditions of the longliners Medvezhy (April-June 1986 ... ) as well as Maksheevo and Mirgorod (June-July 1992) have produced new data on the biology of the ... data have established the bathymetric distribution patterns for different size-groups of toothfish ...
Meeting Document : WG-FSA-92/13 : Auteur(s): I.N. Konforkin and A.N. Kozlov (VNIRO, Moscow, Russia)
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An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island
in 1990, 1992, 1993 and 1997. The assessments include estimates of all the parameters required, based ... Abstract: Assessments of the abundance and potential yield of mackerel icefish (Champsocephalus ... gunnari) populations at Heard Island are developed from the results of four scientific surveys conducted ... of maturity and a weight length relationship. The results show that characteristics of icefish ...
Meeting Document : WG-FSA-97/29 : Auteur(s): de la Mare, W.K., Constable, A., Williams, R.
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NPOA-Seabirds Science Advisory Group Final recommendations on fields of research for the NPOA Medium Term Research Plan 2006/07–2010/11
effects of fishing on seabird population viability, on apparent gaps in the existing research, and ... interactions in New Zealand fisheries. The recommendations were used in the development of the research plan ... Abstract: Following the review by Alderman (unpublished) and Bull (unpublished) of research into ... seabird-fishery interactions, a set of recommendations were made by the Science Advisory Group to the ...
Meeting Document : WG-FSA-05/46 : Auteur(s): S. Waugh (Convener) (New Zealand)
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Age-at-length of Patagonian toothfish from the Falkland/Malvinas Islands
Abstract: To provide an age-length key for use in modelling the age structure of the Patagonian ... her readings were not used in the analysis. Estimates of the Von Bertalanffy parameters were L8 ... toothfish stock around the Falkland Islands, we used otoliths to estimate the age of a sample of 1893 ... Patagonian toothfish (Dissostichus eleginoides) captured by trawl and in the longline fishery. We used a thin ...
Meeting Document : WG-FSA-02/74 : Auteur(s): J. Ashford, A. Arkhipkin, C. Jones and S. Bobko
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Are we there yet? Evaluating and reporting progress towards a Representative System of Marine Protected Area across the CAMLR Convention Area
Abstract: In 2008, CCAMLR agreed that the establishment of a representative system of marine ... contributions towards a RSMPA, however we are not there yet. Establishment of the proposed MPAs in Domain 1 ... definition of representation, and enable CCAMLR to focus efforts on the remaining values yet to be included ... towards a Representative System of Marine Protected Area across the CAMLR Convention Area Microsoft Word ...
Meeting Document : WS-SM-18/14 : Auteur(s): D.C. Welsford
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Are we there yet? Evaluating and reporting progress towards a Representative System of Marine Protected Area across the CAMLR Convention Area
Abstract: In 2009, CCAMLR agreed that the establishment of a representative system of marine ... contributions towards a RSMPA, however we are not there yet. Establishment of the proposed MPAs in Domain 1 ... definition of representation, and enable CCAMLR to focus efforts on the remaining values yet to be included ... towards a Representative System of Marine Protected Area across the CAMLR Convention Area Microsoft Word ...
Meeting Document : WG-EMM-18/31 : Auteur(s): D.C. Welsford
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Modelling the circumpolar distribution of Antarctic toothfish (Dissostichus mawsoni) habitat suitability using correlative species distribution modelling methods
to CCAMLR’s management of this species. In this paper the use of Maxent models with fishery catch ... Abstract: Understanding and predicting the distribution of Antarctic toothfish (Dissostichus ... suitability is explored. Maxent is highly sensitive to biased sampling effort and the selection of background ... data. Hence, the influence of background data selection on Maxent model predictions using two ...
Meeting Document : WG-FSA-15/64 : Auteur(s): CCAMLR Secretariat
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Comparison of census methods for black-browed albatrosses breeding at the Ildefonso Archipelago, Chile
scientifically defendable methods. To estimate population size, and examine the accuracy and practicality of ... various census methods, the population was censused in the 2002/03 breeding season using a) ground-truthed ... -distance sampling by 9%. Ground-truthed air photography revealed that in the 2002/03 breeding season 47,000 ... pairs of black-browed albatrosses bred at the Ildefonso archipelago. After the Falkland Islands/Malvinas ...
Meeting Document : WG-FSA-06/12 : Auteur(s): G. Robertson, K. Lawton (Australia), C.A. Moreno (Chile), R. Kirkwood (Australia) and J. Valencia (Chile)
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Hydrography and acoustic biomass estimates of Antarctic krill (Euphausia superba) near the South Shetland Islands, Antarctica, during January 2000: preliminary results
Abstract: To estimate the abundance and distribution of Antarctic krill (Euphausia superba) in ... density and CV in the Bransfield strait was 9 g/m2 and 20.3 %. Krill swarms of relatively high densities ... density of krill near the SSI area was 12 g/m2 with a coefficient of variance (CV) of 14.5%. The mean ... the vicinity of South Shetland Islands (SSI), a hydroacoustic/oceanographic survey was conducted by ...
Meeting Document : WG-EMM-00/52 : Auteur(s): D. Kang, Y. Lee, H.-C. Shin, W. Lee and S. Kim (Republic of Korea)
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Age Determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula Subarea (Subarea 48.1)
localities of the South Shetland Islands (Low I. and Potter Cove, 25 De Mayo I./King George). Samples were ... compared in 19 Potter specimens. In some of them scale readings resulted one year greater. This could arise ... from the difficulty to differentiate false from annual checks in scales. Age determination by otolith ... lower than the ones reported previously for specimens of South Bay, Palmer Archipelago. Possible reasons ...
Meeting Document : WG-FSA-88/15 : Auteur(s): E. Barrera-Oro (Argentina)