Résultats de la recherche
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Analysis of dietary overlap in Antarctic fish (Notothenioidei) from the South Shetland Islands: no evidence of food competition
fish assemblages at the South Shetland Island area. Using tyler’s (1972) method, the reoccurrence of ... main and secondary prey among fish predators was 33% in summer and 37% over the year at Potter Cove; 25 ... . Likewise, using the “S” index of Linton et al. (1981) the diet similarity between most species pairs is ... Author(s): E. Barrera-Oro (Argentina) Title: Analysis of dietary overlap in Antarctic fish ...
Meeting Document : WG-FSA-03/13 : Auteur(s): E. Barrera-Oro (Argentina)
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FURTHERING IMPLEMENTATION OF NETWORKS OF MPAS IN ANTARCTICA AND THE SOUTHERN OCEAN
Abstract: In this paper ASOC makes the case for CCAMLR to move swiftly to begin the process of ... reserves in the Southern Ocean. Recent progress on the global agenda to implement of marine protected areas ... IMPLEMENTATION OF NETWORKS OF MPAS IN ANTARCTICA AND THE SOUTHERN OCEAN Approval: Approved Secretariat Workflow ... being the key criteria. The outcomes of the 2007 CCAMLR Bioregionalisation Workshop provide sufficient ...
Meeting Document : CCAMLR-XXVII/BG/26 : Auteur(s): Submitted by ASOC
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Distribution of phytoplankton in the mixed layer: implication of krill abundance
Abstract: The vertical trajectory of phytoplankton in the Antarctic ocean is modelled as a random ... phytoplankton in the upper ocean. Author(s): United States of America Title: Distribution of phytoplankton in ... mixing layer is shallow, but diffusion is large enough to effect the vertical distribution of ... the mixed layer: implication of krill abundance Approval: Approved ...
Meeting Document : SC-CAMLR-VII/BG/26 : Auteur(s): United States of America
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Developments towards an investigation of potential bias from the analysis of tag–release and recapture data in Ross Sea Antarctic toothfish abundance estimates
potential bias from the analysis of tag–release and recapture data in Ross Sea Antarctic toothfish abundance ... the current tagrecapture programme for Antarctic toothfish in the Ross Sea. We present an initial ... et al. (2005c), but ignores movements of tagged and untagged fish. The results suggest that as the ... spatial pattern of tag releases and recovery effort has changed over the years that the tagging programme ...
Meeting Document : WG-FSA-SAM-06/10 : Auteur(s): A. Dunn (New Zealand)
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A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
lengths of the sampled Antarctic silverfish ranged from 4.6 cm to 22.9 cm. Pronounced modes in the length ... : A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the ... correlated (r2 = 0.99). Counts of growth zones in 304 thin-sectioned otoliths were used to estimate ages and ... separately. Female Antarctic silverfish appear to reach a larger size than males, but none of the estimated ...
Meeting Document : WG-FSA-10/20 : Auteur(s): C.P. Sutton and P.L. Horn (New Zealand)
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Updated and revised stock assessments of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Kerguelen Islands (Division 58.5.1) and Crozet Islands (Subarea 58.6)
the actual level of catches (5100t in Kerguelen and 700t in Crozet). Author(s): S. Romain and G ... eleginoides) in the vicinity of Kerguelen Islands (Division 58.5.1) and Crozet Islands (Subarea 58.6) Approval ... Abstract: An updated and revised assessment of the Patagonian toothfish (Dissostichus eleginoides ... results show stable estimates of biomass and SSB never fall below 60% of the initial biomass considering ...
Meeting Document : WG-FSA-14/36 Rev. 1 : Auteur(s): S. Romain and G. Duhamel (France)
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An overview and some preliminary results of a biological/oceanographic survey off the coast of East Antarctica (80-150°e) carried out in January to March 1996
between January and April 1996. The focus was on the distribution and abundance of Antarctic krill in ... Abstract: A major biological/physical survey of the waters off East Antarctica was carried out ... CCAMLR Statistical Area 58.4.1 but in addition, measurements were also made on a whole suite of ... oceanographic and biological variables over the entire survey area. This paper summarises the range of variables ...
Meeting Document : WG-EMM-96/29 : Auteur(s): de la Mare, W., Wright, S., Bindoff, N., Thiele, D., Pauly, T., Gillespie, D., Woehler, E., Nicol, S.
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PRELIMINARY RESULTS OF THE EXPERIMENT ON DEFINITION OF ANTARCTIC KRILL MORTALITY RATE IN FISHERY
out aboard Polish vessel Dalmor II according to the pattern submitted in paper SC-CAMLR-XXVIII/BG/10 ... . Approximately 230 to 130 kg of krill are percolated and punched through per an hour of trawling if the average ... catch per an hour of trawling is about 8 tons and towing speed is 2.6-2.7 knots. The key parameters of ... trawling which influence the value of the Antarctic krill mortality rate are: the trawl configuration and ...
Meeting Document : WG-EMM-11/15 : Auteur(s): L. Pshenichnov and K. Vyshniakova (Ukraine)
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Development of a fine-scale model of land-based predator foraging demands in the Antarctic
of krill within the critical period-distance of land-based predators in Subareas 48.1 and 48.2 (100km ... : Development of a fine-scale model of land-based predator foraging demands in the Antarctic Approval: Approved ... Abstract: The CCAMLR Secretariat has been requested to provide annual calculations of the catch ... from colonies, December- March). This index of the overlap of predators and the fishery is unsuitable ...
Meeting Document : WG-Joint-94/08 : Auteur(s): D.J. Agnew and G. Phegan (Secretariat)
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A preliminary assessment of age and growth of eel cod (Muraenolepis sp.) and violet cod (Antimora rostrata) in the Ross Sea, Antarctica
) in the Ross Sea, Antarctica. Counts of zones visible in sectioned otoliths were used to estimate ... obtained from the bycatch of the longline fishery for toothfish (Dissostichus mawsoni and D. eleginoides ... length or sex distributions of the populations (i.e., small fish and males were absent). The Muraenolepis ... preliminary assessment of age and growth of eel cod (Muraenolepis sp.) and violet cod (Antimora rostrata) in ...
Meeting Document : WG-FSA-10/19 : Auteur(s): P.L. Horn and C.P. Sutton (New Zealand)