Résultats de la recherche
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Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000
commercial viability of this fishing method for toothfish fisheries in the CCAMLR Convention Area. While the ... toothfish was notably lower than that achieved in the longline fishery. Importantly, the use of pots ... pots with a line length of 5 000 m. During the 112 sets made in the trial period, 150 pots were lost ... . A drawstring held the bottom mesh together in the middle. This allowed pots to be emptied easily ... toothfish fisheries in the CCAMLR Convention Area. While the method successfully caught D. eleglnoidcs ... achieved in the longline fishery. Importantly, the use of pots eliminated bird by- catch. To capitalise on ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Auteur(s): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves
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CCAMLR-XXVII/19, Annex I
risk assessment is presented in support of the preliminary assessment of bottom fishing activities in ... 2008-2009 for New Zealand: implementing Conservation Measure 22-06 (Bottom Fishing in the Convention ... Area). Ecological risk assessment (Standards New Zealand and Standards Australia 2006) is evolving in ... workshop was held over two days. The workshop reviewed the fishing method in detail, determined a ... recovery of lost gear The workshop discussed situations in which downlines at both ends of the line ... in the middle of two otherwise normal full-size lines. Because normal retrieval of JB lines ... Nos 3, 4, 12 SC Agenda No. 4 This document should be read in conjunction with CCAMLR-XXVII/12. Ce ... INTENTION TO CONDUCT EXPLORATORY LONGLINE FISHERIES FOR DISSOSTICHUS SPP. IN THE 2008/09 SEASON ...
Document : Site Section: Publications
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Sexing of adult Adélie penguins by discriminant analysis of morphometric measurements
shift). It was found that the combination of flipper breadth, bill depth and length of the middle toe ... (Adelie penguins), Samour et al., 1983 (five species of penguins). In Adelie penguins significant ... differences between sexes was also found in bill size (Ainley et al., 1983). The techniques listed above ... are very useful but during the breeding season they can be applied only after egg-laying. In many ... technique of sex determination in adult, fledgling and yearling Megellanic penguins, Spheniscus ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 543–549 : Auteur(s): Scolaro, J.A., Z.B. Stanganelli, H. Gallelli and D.F. Vergani
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On the problem of diurnal migrations of some fish species on the South Georgia shelf (Subarea 48.3)
substantial variations in middle size fry of both species were found at different depth levels during 24-hour ... Abstract: The results of experiments on the South Georgia Shelf carried out in the period of 1986 ... was the most distinctive in Ch.gunnari fry. The individuals used to ascend towards the water column ... individuals were found in the pre-bottom layer by day, being presented their small quantities in the water ...
Meeting Document : WG-FSA-99/64 : Auteur(s): I.A. Trunov, J.A. Frolkina and M.P. Konstantinova (Russia)
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Network characterisation of the food-web of the Ross Sea, Antarctica
pronounced peak in biomass in the lower-middle part of the food-web, a result of high biomass of ... toothfish (Dissostichus mawsoni) in the region. We evaluate: (1) biomass and flow of organic matter by ... , i.e. the whole Ross Sea shelf and slope area, averaged over a typical year, and in 35 trophic groups ... the total living biomass in the Ross Sea (bacteria excluded). The six groups with the highest ‘indices ...
Meeting Document : WG-EMM-12/53 : Auteur(s): M.H. Pinkerton and J.M. Bradford-Grieve (New Zealand)
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CEMP indices: 2007 update
, but were lost in a fire onboard the icebreaker Irizar. The development of an ordination method, with ... indicator species collected by standard methods in the three Integrated Study Regions of the Convention Area ... anomalies in these data. This report covers predator indices only. Data were submitted by 8 Members for 10 ...
Meeting Document : WG-EMM-07/04 : Auteur(s): Secretariat
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On the problem of icefish (Champsocephalus gunnari) vertical migration on the South Georgia shelf
the maximum catches were available at the middle of the light hours of the day. At twilight the fish ...
Meeting Document : WG-FSA-91/06 : Auteur(s): J.A. Frolkina and V.I. Shlibanov (USSR)
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Acquiring a ‘base datum of normality’ for a marine ecosystem: the Ross Sea, Antarctica
processes in a system where both top-down and bottom-up forcing are still intact. Elsewhere in Earth’s ... researchers who currently investigate open-ocean systems. Herein, the importance of top-down forcing in ... pelagic and neritic marine ecosystems is reviewed with concrete evidence given for its existence in the ... current functioning of the RSShelfE. In spite of this unique evidence for the Antarctic region, much ...
Meeting Document : WG-EMM-04/20 : Auteur(s): D. Ainley (USA)
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The composition and origin of marine debris stranded on the shores of subantarctic Macquarie Island
an eight week period in 1988 to determine types, quantities, and possible sources of marine debris ... . Lost fishing gear consisted of buoys, ropes, and net fragments. Gear from both trawling and longline ... plastic bottles, and small pieces of expanded polystyrene were common. Litter accumulated in highest ... those reported for islands in the South Atlantic Ocean and the Indian Ocean, or from the coast of Alaska ...
Meeting Document : CCAMLR-VIII/BG/10 : Auteur(s): D.J. Slip and H.R. Burton (Australia)
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WG-IMAF-11
during the middle of winter during the fishing season in Subarea 48.3 J. Brown (United Kingdom) WG-IMAF ... List of Participants WG-IMAF-11/03 List of Documents WG-IMAF-11/04 Rev. 1 Review of activities in ... monitoring marine debris in the CAMLR Convention Area Secretariat WG-IMAF-11/05 Rev. 2 Summary of scientific ... observations in the CAMLR Convention Area for 2010/11 Secretariat WG-IMAF-11/06 Summary of scientific ...
Meeting