Résultats de la recherche
-
Density and abundance estimates of baleen whales recorded during the 2019 DY098 cruise in the Scotia Sea around South Georgia and the South Sandwich Islands
species during the survey (226 sightings of a total count of 495 whales) and were widely distributed east ... on the abundance of krill and so was not optimised for deriving design-based cetacean abundance ... estimates, but may provide a useful means of comparing whale densities and habitat use patterns between the ... of 42.5°W in all water depths surveyed, with fin whales the next most commonly sighted species (53 ...
Meeting Document : WG-EMM-2019/27 : Auteur(s): M. Baines, M. Reichelt, C. Lacey, S. Pinder, S. Fielding, N. Kelly, E. Murphy, P. Trathan and J.A. Jackson
-
Distribution and some biological features of icefish (Champsocephalus gunnari) at different life cycle stages in the South Georgia subarea
Abstract: The results of icefish ecology were summarized for the period of above 20 years of ... variability. The functional structure of Ch.gunnari distribution area was described on the basis of juvenile ... fish distribution at different stages of physiological state. Juvenile fish mainly distribute in the ... south, immature fish- in the cast and southwest, while adult at the north of the shelf. It was revealed ...
Meeting Document : WG-FSA-99/65 : Auteur(s): Zh.A. Frolkina (Russia)
-
A characterisation of the toothfish fishery in Subarea 48.6 from 2003/04 to 2011/12
) in CCAMLR subarea 48.6 (South East Atlantic). This report summarises the catch, effort, timing, depth ... , location, size structure and maturity of Dissostichus spp. Information on the composition of bycatch ... toothfish, accumulated catch across years yielded 1,353 tons with the majority of the catch coming from ... was reported exclusively in the SSRUs 48.6A and 48.6G. Most of the catches were reported by vessels ...
Meeting Document : WG-SAM-12/33 : Auteur(s): R. Wiff (Chile), M. Belchier (United Kingdom) and J. Arata (Chile)
-
A characterisation of the toothfish fishery in Subarea 48.6 from 2003/04 to 2011/12
) in CCAMLR subarea 48.6 (South East Atlantic). This report summarises the catch, effort, timing, depth ... , location, size structure and maturity of Dissostichus spp. Information on the composition of bycatch ... toothfish, accumulated catch across years yielded 1,353 tons with the majority of the catch coming from ... was reported exclusively in the SSRUs 48.6A and 48.6G. Most of the catches were reported by vessels ...
Meeting Document : WG-FSA-12/38 : Auteur(s): R. Wiff (Chile), M. Belchier (United Kingdom), J.C. Quiroz and J. Arata (Chile)
-
A hypothetical life cycle for Antarctic toothfish Dissostichus mawsoni in Antarctic waters of CCAMLR Statistical Area 88
eastwards with the eastern Ross Sea gyre settling out along the continental slope and shelf to the east of ... Abstract: Aspects of the reproduction, size distribution, and movements of Antarctic toothfish ... and timing of spawning, and the probable early life history characteristics of toothfish, we ... investigated models that mimic the drift of eggs and larvae over a 6–24 month period using an oceanic ...
Meeting Document : WG-FSA-07/35 : Auteur(s): S.M. Hanchet, G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams (New Zealand)
-
Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Subarea 48.6
. mawsoni in 2011, in order to maximize the use of tagged fish. We propose the extension of the east ... last WG-SAM meeting. We tentatively recalculated a sample size of Dissostichus spp in each block in ... such a way that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of ... coefficient variance of biomass estimate from the bootstrapped procedure, under the condition that the ...
Meeting Document : WG-FSA-13/37 : Auteur(s): Delegation of Japan
-
Biomass of Antarctic krill around South Shetland using 2-dB difference method in April 2016
operated by Norway, Korea, and Japan, etc. Major fishing area is the surroundings of South Sheltland where ... it is surrounded by Darke Passage in North, Weddle Sea in East, and Bransfield Strait in South ... . CCAMLR (Convention for the Conservation of Antarctic Marine Living Resources) is currently implementing a ... utilize Krill resources continuously. This study is aimed to estimate the density and the biomass of Krill ...
Meeting Document : WG-EMM-16/60 : Auteur(s): Delegation of the Republic of Korea
-
Spatial and temporal distribution of krill Euphausia superba biomass in the Ross Sea (1989/90, 1994/95)
(east of longitude 180°), estimated during late spring and at the beginning of the austral summer in ... Abstract: The paper, based on the results of italian expeditions to the Ross Sea (December 1989 ... - Januar 1990 and November- December 1994), presents how is spatial and temporal distribution of krill ... December- January). The process of ice melting began in mid November, near Ross Ice Shelf (so called ...
Meeting Document : WG-EMM-97/53 : Auteur(s): Kalinowski, J., Azzali, M.
-
Surface water masses, primary production, krill distribution and predator foraging in the vicinity of Elephant Island during the 1989-90 austral summer
immigration from east of the study area. Krill sampled throughout the observation period were reproductively ... Abstract: Four successive surveys of the pelagic marine environment were conducted over a 100-by ... were collected to describe the thermohaline structure, the distribution of phytoplankton biomass and ... primary productivity, the distribution and demography of krill, and the foraging patterns of krill ...
Meeting Document : WG-CEMP-90/11 : Auteur(s): A.F. Amos, J.L. Bengtson, O. Holm-Hansen, V.J. Loeb, M.C. Macaulay and J.H. Wormuth (USA)
-
Estimating the biodiversity of Planning Domain 5 (Marion and Prince Edward Islands – Del Cano – Crozet) for ecoregionalisation
18th May, 2012 at the headquarters of TAAF (French Southern and Antarctic Territories). It followed a ... meeting on the northern part of Planning Domain 5, which was held in South Africa in 2008, organized and ... funded by WWF South Africa and known as Del Cano 1. The intention of the CCAMLR workshop was to study the ... ecological values and the use of the marine environment and to identify possible threats that might occur in ...
Meeting Document : WG-EMM-12/33 Rev. 1 : Auteur(s): P. Koubbi (France), R. Crawford (South Africa), N. Alloncle, N. Ameziane, C. Barbraud, D. Besson, C.-A. Bost, K. Delord, G. Duhamel (France), L. Douglass (Australia), C. Guinet (France), G. Hosie (Australia), P.A. Hulley (South Africa), J. O. Irisson (France), K.M. Kovacs (Norway), R. Leslie, A. Lombard, A. Makhado (South Africa), C. Martinez (France), S. Mormede (New Zealand), F. Penot (France), P. Pistorius (South Africa), P. Pruvost (France), B. Raymond (Australia), E. Reuillard, J. Ringelstein (France), T. Samaai (South Africa), P. Tixier (France), H.M. Verheye (South Africa), S. Vigetta (France), C. von Quillfeldt (Norway) and H. Weimerskirch (France)