Resultados de la búsqueda
-
Network characterisation of the food-web of the Ross Sea, Antarctica
food-web structure and function at the spatial, temporal and ecological scale of the ecosystem model ... . Effects at smaller spatial and temporal scales, and effects concerning only parts of trophic groups, are ... Abstract: A balanced ecosystem model is used to explore the system-level characteristics of the ... food-web of the Ross Sea shelf and slope before the advent of commercial fishing for Antarctic ...
Meeting Document : WG-EMM-12/53 : Autor(es): M.H. Pinkerton and J.M. Bradford-Grieve (New Zealand)
-
Reports on abundance and biological information of toothfish in Division 58.4.3b by Shinsei Maru No.3 in the 2010/11 and proposal of the consecutive survey in the 2011/12
D. eleginoides at 700-900 m depths. Both maturity index and relative weight of gonads to body weight ... order to collect information for the stock status and biology of toothfish in the southeast sector (24 ... allocated hauls) of Division 58.4.3b (BANZARE Bank), using a commercial bottom longline vessel Shinsei Maru ... released alive) of Dissostichus spp. and other bycatch species was 12.0 tonnes in the SE sector, where the ...
Meeting Document : WG-SAM-11/05 : Autor(es): K. Taki, T. Iwami and M. Kiyota (Japan)
-
Estimating the biodiversity of the shelf and oceanic zone of the d’Urville Sea (East Antarctica) for ecoregionalisation using the CEAMARC (Collaborative East Antarctic Marine Census) CAML surveys
coastal zone is also the place of specific assemblages at least for fish for which some species are mainly ... coastal. The workshop held in Brest at the end of May 2011 agreed that the Mertz area will be more likely ... Abstract: A proposal for a representative system of MPAs (RSMPA) for eastern Antarctica (CCAMLR ... Divisions 58.4.1 and 58.4.2) has been developed to satisfy overall the principles of comprehensiveness ...
Meeting Document : WS-MPA-11/07 : Autor(es): P. Koubbi (France), G. Hosie, A. Constable, B. Raymond (Australia), M. Moteki (Japan), N. Améziane, R. Causse (France), V. Fuentes (Spain), K. Heerah, F. Penot, D. Vincent, A. Ancel, C.A. Bost, M. Eléaume (France), D. Lindsay (Japan), M. Lindsay (Australi
-
Use of biological data to inform bioregionalisation of the Southern Ocean
bioregionalisation of the Southern Ocean. We demonstrate the use of this method by generating 13 taxon-specific and ... these data constitute best available information at present, and should not be ignored in the ... bioregionalisation process. Finally we identify potentially valuable sources of biological data that are currently ... unavailable but likely to become available in the near future, and advocate the use of ‘placeholder’ data ...
Meeting Document : WS-BSO-07/7 : Autor(es): M. Pinkerton, B. Sharp and J. Leathwick (New Zealand)
-
Results of a research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... endorsed a proposal to carry out this work once the fishery had closed at the end of the 2011/12 season ... . The survey had two main objectives: (i) To establish the feasibility of developing a time series of ... longline surveys to monitor pre-recruit (<100 cm TL) toothfish in the south of SSRUs 881.J and 881.L in ...
Meeting Document : WG-SAM-12/29 : Autor(es): S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)
-
Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 on the basis of the Soviet mesoscale surveys with Isaacs Kidd midwater trawl
of krill in the Island region at the season of 1983/84 was stipulated exclusively unfavourable ... Abstract: In the paper the results of the investigations on three mesoscale surveys covering wide ... area of krill between Antarctic Peninsula and South Georgia Island are considered. Surveys including ... from 158 to 202 stations were carried out by Soviet research vessels in summer-autumn periods of 1983 ...
Meeting Document : WG-EMM-98/32 : Autor(es): V.A. Sushin and K.E. Shulgovsky (Russia)
-
Preliminary assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (Division 58.4.3b), based on the analysis of fine-scale catch and effort data
assessing these stocks. At its meeting in July 2007, WG-SAM agreed that fine-scale analysis of catch and ... , these preliminary analyses indicate there is strong evidence for depletion of toothfish at the scale of ... Abstract: In 2006 the CCAMLR scientific committee noted several features of exploratory ... Dissostichus fisheries in the southern Indian Ocean (58.4) which gave cause for concern as to the status of the ...
Meeting Document : WG-FSA-07/44 : Autor(es): J.P. McKinlay, D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
-
Population identity, site-fidelity, movement ranges and preliminary estimates of abundance of southern right whales in the Antarctic Indian sector inferred from genetic markers
nucleotides of the mtDNA control region, genotyped at fourteen microsatellite loci, and the sex determined by ... ’ and the ‘recapture’ ranged from 3-13 years with an average at 7.3 years. Preliminary application of a ... Abstract: Baleen whales are important components of the Antarctic marine ecosystem as ‘sea-based ... identity as well the individual identity of southern right whales distributed in summer in the Antarctic ...
Meeting Document : WG-EMM-18/18 : Autor(es): L.A Pastene, M. Goto, P. Acuña, M. Taguchi, T. Hakamada and K. Matsuoka
-
Ross Sea Bioregionalisation, Part II: Patterns of co-occurrence of mesopredators in an intact polar ocean ecosystem
Abstract: We report results of analyses of niche occupation among mesopredators in the Ross Sea ... the surface of the ocean, 2) capacity to utilize differing amounts of the water column (foraging depth ... because of their rarity and, therefore, lack of adequate sighting data on which to generate spatial models ... mesopredator species distributions at a 5km/pixel scale, using environmental data and species presence ...
Meeting Document : WG-EMM-10/12 : Autor(es): G. Ballard, D. Jongsomjit and D.G. Ainley (USA)
-
Results of a CCAMLR-sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... endorsed a proposal to carry out this work once the fishery had closed at the end of the 2011/12 season ... . The survey had two main objectives: (i) To establish the feasibility of developing a time series of ... longline surveys to monitor pre-recruit (<100 cm TL) toothfish in the south of SSRUs 881.J and 881.L in ...
Meeting Document : WG-FSA-12/41 : Autor(es): S.M. Hanchet, S. Mormede, S. Parker, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)