Resultados de la búsqueda
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Changes in the fish biomass around Elephant Island (Statistical Subarea 48.1) from 1976 to 1996
exploit mixed-species assemblages there appears to be little prospect at present in re-opening the fishery ... been exploited from 1978179 to 1988189 with most of the commercial harvesting taking place in the first ... Elephant Island in the 1980s showed that stocks of Champsocephalus gunnari, Notothenia rossii ... the area in November-December 1996 suggested that the fish standing stock biomass had further declined ...
Meeting Document : WG-FSA-97/27 : Autor(es): Kock, K.-H.
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Ecoregionalisation of the Kerguelen and Crozet islands oceanic zone. Part I: Introduction and Kerguelen oceanic zone
some of the boundaries of ecoregions with these ecological parameters so that some essential species ... , biogeochemical parameters, …),- Types of species assemblages with consideration of endemicity and ... species,…). In this process, the workshop verified the superposition of the ecoregional synthetic map with ... essential characteristics that support the creation of the ecoregion and estimated its ecological importance ...
Meeting Document : WG-EMM-16/43 : Autor(es): P. Koubbi, C. Guinet, N. Alloncle, N. Ameziane, C.S. Azam, A. Baudena, C.A. Bost, R. Causse, C. Chazeau, G. Coste,C. Cotté, F. D'Ovidio, K. Delord, G. Duhamel, A. Forget, N. Gasco, M. Hautecœur, P. Lehodey, C. Lo Monaco, C. Marteau, A. Martin, C. Mignard, P. Pruvost, T. Saucède, R. Sinegre, T. Thellier, A.G. Verdier and H. Weimerskirch
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Antarctic fur seal (Arctocephalus gazella) pup growth rates obtained at Cape Shirreff, Livingston Island, South Shetlands: 1994/95 to 1997/98 (CEMP Index C2, Procedure B)
(1973-1987). From this comparison, Cape Shirreff039;s male pups resulted to have a faster growth with ... Shirreff039;s male pups grow faster in order to undergo with better body conditions higher latitude ... ). Further conclusions will have to be tested with larger data sets in order to establish possible ... both sexes, and assumptions of linearity and homogeneity of variance proved to be adequate (? =0.05 ...
Meeting Document : WS-AREA 48-98/18 Rev. 1 : Autor(es): R. Hucke-Gaete, V. Vallejos and D. Torres (Chile)
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Ecoregionalisation of the Kerguelen and Crozet islands oceanic zone. Part II: The Crozet oceanic zone
that was obtained during the CROMEBA project (CROzet Marine Ecosystem Based Management). This project ... conservation measures that would expand geographically in the EEZ the actual National Marine Nature Reserve ... archipelago. This report follows the CCAMLR workshop on Planning Domain 5 with focusing on the Crozet islands ... . Bost, C. Cotté, F. D039;Ovidio, A. Della Penna, K. Delord, S. Fabri-Ruiz, M. Ferrieux, C. Guinet, C ...
Meeting Document : WG-EMM-16/54 : Autor(es): P. Koubbi, C. Mignard, R. Causse, O. Da Silva, A. Baudena, C. Bost, C. Cotté, F. D'Ovidio, A. Della Penna, K. Delord, S. Fabri-Ruiz, M. Ferrieux, C. Guinet, C. Lo Monaco, T. Saucède and H. Weimerskirch
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Krill distribution pattern due to water structure and dynamics near the South Sandwich Islands in January–February 2000 (Krill Synoptic Survey 2000)
are transported to South from East of archipelago, and may be mixed with krill of the 1st group. It is ... very probable that krill concentrated in stable eddies to East of archipelago may be kept there for a ...
Meeting Document : WG-EMM-00/33 : Autor(es): V. Sushin, P. Chernyshkov, V. Shnar, F. Litvinov and K. Shulgovskiy (Russia)
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Variability in krill length distribution in 48.1 derived from data collected by scientific observers
generalised additive mixed models (GAMM) to evaluate the spatial and temporal patterns of length in Antarctic ... . Median krill length showed a complex pattern and varied significantly with fishing location, fishing ... Subarea 48.1 needs to be modified in order to gain a comprehensive understanding of the temporal and ... longer term. Krill length measurements should also be conducted on all vessels in every fishing season to ...
Meeting Document : WG-EMM-15/16 : Autor(es): P. Ziegler, S. Kawaguchi D. Welsford and A. Constable (Australia)
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Biology, distribution and abundance of Antarctic krill (Euphausia superba) and by-catch
was observed to be 1:l.17 though it differs from swarm to swarm. The analysis showed that 47% of ... 039;S to 61°13039;S and long.30°02039;E to 40°05039;E. These were analysed onboard FORV Sagar ... trawl. The length frequency analysis indicated a bimodel distribution with 19-20 mm and 53-54mm as the ... krills with high intensively feeding population and 25% with moderate feeding population which indicate ...
Meeting Document : WG-EMM-98/37 : Autor(es): A. Anrose, Z. Klusek, M.K.R. Nair and M. R. Bhoopendranath (India)
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Size and stage composition of age class 0 Antarctic krill (Euphausia superba) in the ice-water interface layer during winter/early spring
unknown. The aim of this study was to improve the understanding of the krill039;s interaction with the ... 039;s energy demand and swimming capacity increase with size and age. The degree of sea ice ... interface (0-2 m) and comparing the size and developmental stage composition of krill with the pelagic ... population (0-500 m). Results show that the population in the Northern Weddell Sea consisted mainly of krill ...
Meeting Document : WG-EMM-16/P16 : Autor(es): F. Schaafsma, C. David, E. Pakhomov, B. Hunt, B. Lange, H. Flores, J.A. van Franeker
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Important aspects of prey distribution for the formation of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
suggested that important factors for the formation of daytime foraging areas may be mainly 1), while those ... during pup-rearing period. It was suggested that important factors may be mainly 4) and 6). In conclusion ... , feeding success may not be necessarily associated with dense aggregation of krill, but with distribution ... of overnight foragers may be primarily 3) and secondarily 6) considering chinstrap penguins may have ...
Meeting Document : WG-EMM-97/28 : Autor(es): Bengtson, J.L., Hiruki, L.M., Naganobu, M., Ichii, T., Meyer, W.R., Cameron, M.F., Boveng, P., Takao, T., Miura, A., Jansen, J.K., Kawaguchi, S., Hayashi, T.
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Estimating the biodiversity of Planning Domain 5 (Marion and Prince Edward Islands – Del Cano – Crozet) for ecoregionalisation
animals from Planning Domain 5, as is the case with by-catch mortality, it will be necessary for CCAMLR to ... evidence that populations and species may segregate their feeding grounds, which also will need to be ... ). The working group concluded that subtropical areas north of the Planning Domain 5 should be included ... started to evaluate pressures and areas of research that need to be defined (spawning and nursery areas ...
Meeting Document : WG-EMM-12/33 Rev. 1 : Autor(es): 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)