Résultats de la recherche
-
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 : Auteur(s): M. Azzali, G. Lanciani and I. Leonori (Italy)
-
The state of exploited fish stocks in the Atlantic sector of the Southern Ocean
Abstract: Finfish have been harvested in the Atlantic sector of the Southern Ocean since the end ... of the 1960s mainly by the Soviet Union. Notothenia rossii marmorata,vas the target species in the ... 1975/76 fishing has been mostly directed to the icefish Champsocephalus gunnari. and to a lesser extent ... tonnes in 1976/77-1977/78, 1982/83-1983/84 and 1986/87-1987/88. N. rossii marmorata is the species most ...
Meeting Document : SC-CAMLR-VIII/BG/18 : Auteur(s): Delegation of Federal Republic of Germany
-
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 : Auteur(s): L.G. Maklygin, V.N. Shnar, A.P. Malyshko (Russian Federation) and A.G. Shepelev (Ukraine)
-
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 : Auteur(s): Delegation of Germany
-
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 : Auteur(s): N. Améziane, M. Eléaume, P. Pruvost, G. Duhamel and Kerguelen group (France)
-
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 : Auteur(s): S.G. Candy and D.C. Welsford (Australia)
-
The relationship between krill (Euphausia superba) fishing areas in the west Atlantic and the species’ circumpolar distribution
Abstract: Areal cover is calculated for the Statistical Sub-areas (48.1, 48.2 and 48.3) from ... which the bulk of the commercial krill catch has been taken. Correspondingly, the areas of the following ... four regions are also calculated- (a) the CCAMLR Convention Area, (b) south of 55°S, (c) containing ... krill concentrations and (d) south of the mean summer position of the 0°C isotherm using specialised ...
Meeting Document : SC-CAMLR-VIII/BG/19 : Auteur(s): Delegation of South Africa
-
Environmental gradients of the Antarctic krill (Euphausia superba Dana) in the whole of the Antarctic Ocean
Abstract: The implications between a regional and whole distribution of the Antarctic krill ... , Euphausia superba DANA, and its environmental gradients in the summer season were considered. In order to ... find out the relationship between the geographical distribution of E. superba and its oceanographical ... gradients, an environmental index was introduced. The environmental index was the integrated value of water ...
Meeting Document : WG-KRILL-93/29 : Auteur(s): M. Naganobu and Y. Komaki (Japan)
-
Updated models of the habitat use of Patagonian toothfish (Dissostichus eleginoides) on the Kerguelen Plateau around Heard Island and the McDonald Islands (Division 58.5.2)
Abstract: The Kerguelen Plateau supports the largest fishery for Patagonian toothfish ... (Dissostichus eleginoides) in the CCAMLR area, with landings of >5000 t.yr-1 from the French EEZ (Division ... 58.5.1) around îles Kerguelen and 2730 t.yr-1 from the Australian EEZ around Heard and McDonald Islands ... (HIMI, Division 58.5.2). This paper provides a synthesis of the spatial distribution of the Patagonian ...
Meeting Document : WG-FSA-14/42 : Auteur(s): C. Péron and D.C. Welsford (Australia)
-
The annual random stratified trawl survey in the waters of Heard Island (Division 58.5.2) to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari for 2015
Abstract: The annual random stratified trawl survey (RSTS) at HIMI was conducted during May of ... 2015, with the completion of 163 stations, an additional five stations compared with previous surveys ... . The extra five hauls were part of a redesign of the survey on the main trawl ground which consisted of ... sub-division into two boxes, one having 15 and the second 10 randomly allocated stations. In addition ...
Meeting Document : WG-FSA-15/11 : Auteur(s): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)