Résultats de la recherche
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Geographical aspects of utilising resources of krill (Euphausia superba)
directed at assessing variability in krill transportation and areas of swarm formation in the open-ocean ... 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 ...
Meeting Document : WG-EMM-96/05 : Auteur(s): Makarov, R.R.
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Proposal of the Russian Federation to open Subarea 88.3 for exploratory fishery of Dissostichus spp.
“Chio Maru 3”. Totally, during the work period 44 longlines were set at a depth from 625 to 2336 m ... . Collected in research fishing data contributes to the achievement of the main objectives of research for the ... data-poor area: estimate of number index, evaluation of fishing capacity of Subarea 88.3, preparation ... of hypotheses about the ratio of fish in the area and the total stock as well as studying of ...
Meeting Document : WG-FSA-13/12 : Auteur(s): Delegation of the Russian Federation
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Leslie analyses of commercial snow crab trap data: a comparative study of catchability coefficients
between catch rate at the beginning of the season and the corresponding population estimate obtained by ... absolute population size, then we could estimate the standing stock of snow crabs before the fishing season ... historical Leslie analyses of commercial catch data obtained over several years and quantify the relationship ... . Tremblay (USA) Title: Leslie analyses of commercial snow crab trap data: a comparative study of ...
Meeting Document : WS-CRAB-93/13 : Auteur(s): J.M. Hoenig, E.G. Dawe, D.M. Taylor, M. Eagles and J. Tremblay (USA)
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Proposal to continue the time series of CCAMLR-sponsored research surveys to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea in 2015
be retained at a total of 60 sets. A nominal catch limit of 68 tonnes, to be taken from the shelf ... Bay. Survey timing and methods will remain the same as in previous years, and the number of sets will ... . Parker and S. Mormede (New Zealand) Title: Proposal to continue the time series of CCAMLR-sponsored ... research surveys to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea in 2015 ...
Meeting Document : WG-SAM-14/25 : Auteur(s): S.M. Hanchet, S.J. Parker and S. Mormede (New Zealand)
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An acoustic estimation of krill densities to the north of South Georgia in January 1994
the northern coast of South Georgia from RRS lames Clark Ross during January 1994. Difference in ... krill densities from 120 kHz signals attributed krill. At less than 1 g m-2, mean weighted krill ... provide further evidence of an extreme krill paucity around South Georgia in the 1993/4 season. Author(s ... ): Watkins, J.L., Brierley, A.S. Title: An acoustic estimation of krill densities to the north of South ...
Meeting Document : WG-EMM-95/74 : Auteur(s): Watkins, J.L., Brierley, A.S.
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Sexual ratio of Dissostichus eleginoides from longlines samples: a partial indicator of reproductive migration in Subarea 48.3
males at size of first maturity join the female population. After the first week of June, the sex ratio ... Abstract: The examination of the sexual ratio of D. eleginoides between the first week of March ... and the third week of July 1996, in the subarea 48.3 shows that the sex ratio departs from the ... turns back to a higher number of females. Because the longline remains most of the time close to the ...
Meeting Document : WG-FSA-96/44 : Auteur(s): Moreno, C.A., Guerra, J., Zuleta, A.
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Choice of a procedure for deciding closure of CCAMLR fisheries: a simulation model
Secretariat of CCAMLR, as described in Conservation Measures, have been difficult to implement because of the ... histories are simulated and the performance of four Models for making closure decisions is investigated ... under a variety of circumstances. The Model described in the existing Conservation Measures is shown to ... have a high probability of allowing large over- or under-shoots of the TAC. The most successful model ...
Meeting Document : CCAMLR-X/BG/09 : Auteur(s): Secretariat
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Estimation of toothfish distribution and population size in Subarea 88.3 by results of research longline fishing in 2011–2012
set at a depth from 625 to 2336 m. Total number of set hooks amounted 171096. In 2011 research fishing ... . Collected from research fishing data contributes to the achievement of the main objectives of research- make ... estimation of toothfish quantity, as well as expand the knowledge about toothfish`s and by-catch species ... V.V. Akishin (Russia) Title: Estimation of toothfish distribution and population size in Subarea 88.3 ...
Meeting Document : WG-SAM-12/20 : Auteur(s): V.A. Tatarnikov, I.G. Istomin and V.V. Akishin (Russia)
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Results of a CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2013
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... first survey was completed in February (Hanchet al. 2012a). In this paper we provide the results of the ... second survey in the time series. The objectives of this second survey were: To carry out a longline ... standardised manner; and To sample additional experimental stations in adjacent areas to identify areas of high ...
Meeting Document : WG-SAM-13/32 : Auteur(s): S.J. Parker, S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and R. Sarralde (Spain)
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Estimating prey consumption of the non-breeder component of an Adélie penguin population
recorded at the breeding colonies. However, recent work suggests that the size of the non-breeder component ... Abstract: Estimating the consumption of prey by higher-order predators is a priority for WG-EMM ... Southern Ocean. Previous assessments of prey consumption for seabirds have focussed on breeders using data ... of an Adélie penguin population can be substantial compared with the size of the breeder population ...
Meeting Document : WG-EMM-17/12 : Auteur(s): L. Emmerson and C. Southwell