Resultados de la búsqueda
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The three-frequency method for classifying the species and assessing the size of two euphausiids (Euphausia superba and Euphausia crystallorophias)
their length is described. The approach is in fact an outgrowth from both the fluid sphere and Bayes ... rule methodologies. This paper explores applications of the multi-frequency method using data from ... three expeditions to the Ross Sea (1980-90; 1997-98 and 1999-2000), where the environmental conditions ... , the sampled areas, the instrumental and the sampling strategies varied. First, on the basis of the ...
Meeting Document : WG-EMM-02/37 : Autor(es): M. Azzali, G. Lanciani and I. Leonori (Italy)
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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
Abstract: More than 30 expeditions have surveyed the Kerguelen Plateau over the last 80 years ... initiated by Arnaud, Délepine, Hureau and Rannou. Sampling was done mainly close to the coast, and in ... 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 ...
Meeting Document : WS-MPA-11/09 : Autor(es): N. Améziane, M. Eléaume, P. Pruvost, G. Duhamel and Kerguelen group (France)
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Update of the integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands (Division 58.5.2)
Abstract: The integrated assessment of Patagonian toothfish, Dissostichus eleginoides, for the ... Heard and McDonald Islands (Division 58.5.2) was updated from WG-FSA-09/20. The main change other than ... updating total removals by sub-fishery and updating catch-at-age and catch-at-length proportions was the ... and 2009 RSTS abundance-at-length to abundance-at-age. This was possible due to the large number of ...
Meeting Document : WG-FSA-11/24 : Autor(es): S.G. Candy and D.C. Welsford (Australia)
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Preliminary results of the experiments on the krill transport study in the South Orkney area (April 1992)
within the square of 30 x 30 miles northwestwards of Coronation Island in the fishing fleet operation ... area. The krill biomass was estimated within the square at the start and the end of works. It amounted ... to 56.1 thous. t and 61.2 thous. t respectively. During the period remained the hydroacoustic ... assessment of krill density and oceanological stations were carried out along the square perimeter. Four ...
Meeting Document : WG-CEMP-92/34 : Autor(es): L.G. Maklygin, V.N. Shnar, A.P. Malyshko (Russian Federation) and A.G. Shepelev (Ukraine)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2017 – Reflection of the recommendations by WG-EMM-16 and SC-CAMLR-XXXV
Abstract: The CAMLR Scientific Committee in 2016 reviewed three scientific background documents ... in support of the development of a CCAMLR MPA in the Weddell Sea. Germany was asked to carry out ... further work, in particular regarding the issues and questions raised at WG-EMM-16 and SC-CAMLR-XXXV. Here ... , the Delegation of Germany intends to update the Scientific Committee on the current state of the work ...
Meeting Document : SC-CAMLR-XXXVI/BG/28 : Autor(es): Delegation of Germany
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Research program to examine the life cycle and resource potential of Dissostichus species in the Special Research Zone within the Ross Sea region marine protected area (RSRMPA) in 2018–2027 by Russian Federation
Abstract: Russian Federation is going to continue investigation for toothfish in Ross Sea. The ... previous Russian program was undertaken in the Subarea 88.2 in 2010-2012. This paper presents the ... research program in the frame of the research and monitoring associated with the Ross Sea region marine ... protected area. Russian research program have objectives to investigate the life-cycle, distribution and ...
Meeting Document : WG-SAM-18/07 : Autor(es): Delegation of the Russian Federation
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Long-term changes in the size composition of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, after the 1978–1980 fishery in the area
Abstract: Fish samples collected through an overall period of 24 years at Potter Cove after the ... impact of the fishery in the area in 1978-80, allowed the comparison of the variations in mean annual ... lengths and density distributions of the commercially exploited species N. rossi and G. gibberrifrons with ... the ecologically similar but unexploited N. coriiceps. The sharp decline in the abundance of N. rossii ...
Meeting Document : WG-FSA-07/52 : Autor(es): E.R. Marschoff, E.R. Barrera-Oro and N.S. Alescio (Argentina)
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Examination of the characteristics of the fishery for Dissostichus eleginoides in the CCAMLR Statistical Subarea 48.3 and its implications on estimating trends in catch per unit effort
Abstract: We investigate the spatial and temporal (i.e. fishing season) variation both systematic ... and random in haul-by-haul catch and effort data from the longline fishery for Dissostichus ... eleginoides in Subarea 48.3. We concentrate on presenting the results of preliminary work on the potential ... effects of changing fishing patterns on the standardisation of the CPUE time series. We consider whether ...
Meeting Document : WG-FSA-SAM-05/17 : Autor(es): A.J. Constable, S.G. Candy and B. Raymond (Australia)
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The diet of the Antarctic fur seal Arctocephalus gazella at the Danco Coast, Antarctic Peninsula
Abstract: The diet of non-breeding male Antarctic fur seals Arctocephalus gazella was ... investigated at the Danco Coast, Antarctic Peninsula, by the analysis of 31 and 149 scats collected from ... the most frequent prey and constituted the bulk of the diet. The importance of the remaining taxa ... represented in the samples (octopods, gastropods, bivalves, isopods, polychaetes and porifera) was negligible ...
Meeting Document : WG-EMM-02/9 : Autor(es): R. Casaux, A. Baroni and A. Ramón (Argentina)
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THE DIET OF THE ANTARCTIC TOOTHFISH IN THE ROSS SEA
Abstract: This brief review documents the species composition of prey consumed by the Antarctic ... toothfish, Dissostichus mawsoni, in the Ross Sea. The diet for a sample from McMurdo Sound in the ... southwestern Ross Sea indicates that fishes, especially Pleuragramma antarcticum, and mysids dominate the diet ... ; the corresponding figures for mysids are 60% and 11%. Channichthyids (icefishes) are the second most ...
Meeting Document : WG-EMM-09/16 : Autor(es): J.T. Eastman and A.L. DeVries (USA)