Résultats de la recherche
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Réglementation de la pêcherie de krill dans la zone de la CCAMLR
three decades of activity the management of these fisheries by CCAMLR can be seen to be developing ... differently. That is to say, the monitoring of fishing activities in the krill fishery in the CCAMLR Area can ... development of the krill fishery and giving rise to monitoring gaps which need to be addressed. We propose ... the next 4 years. Author(s): Delegation of Chile Title: Regulation of the krill fishery within the ...
Meeting Document : CCAMLR-XXXV/26 : Auteur(s): Delegación de Chile
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CCAMLR and seabirds in the Antarctic marine ecosystem
Abstract: This paper outlines the experiences of the 24-nation Commission for the Conservation of ... Antarctic Marine Living Resources (CCAMLR) in dealing with incidental mortality of seabirds (particularly ... albatrosses and petrels) during fishing in the Area for which it is responsible. Details of various mitigation ... measures are provided and the effect of such measures is evaluated. Author(s): Secretariat Title: CCAMLR ...
Meeting Document : CCAMLR-XXIII/BG/23 : Auteur(s): Secretariat
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Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
local areas. Nine alternative methods of determining subarea or local area krill catch limits are ... considered, 2) the cost of data collection, 3) the reliability of required information, 4) the ease of ... alternative. The probability of adverse impact on dependent species is minimized when a high amount of ... models include large amounts of biological information, but may not be practical in the near future ...
Meeting Document : WG-KRILL-92/16 : Auteur(s): G. Watters and R.P. Hewitt (USA)
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Updating the Antarctic krill biomass estimates for CCAMLR Subareas 48.1 to 48.4 using available data
Abstract: We present a novel index of Antarctic krill biomass in CCAMLR subareas 48.1 to 48.4 ... . The index also suggests that realised exploitation rates were below 0.5% (i.e. catch was <0.5% of ... also suggest that exploitation rates are low and that there is no evidence of a systematic change in ... . It also suggests that the catch levels seen in the first decade of the 21st century are unlikely to ...
Meeting Document : WG-EMM-15/28 : Auteur(s): S. Hill, A. Atkinson, C. Darby, S. Fielding (United Kingsom), B. Krafft, O.R. Godø, G. Skaret (Norway), P. Trathan, J. Watkins (United Kingdom)
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Report on fish by-catch on exploratory fishing in Divisions 58.4.1 and 58.4.2
or groups of species. In 2018, by-catch represented 12% of the total catch (43 tonnes over 307 tonnes ... of Dissostichus spp.) in Divisions 58.4.1 and 58.4.2. 98% of the biomass was represented by 2 ... everywhere. The ratio by-catch to target catch was higher in the eastern part of Division 58.4.1. The ratio ... /1000 hooks locally. As found in others areas of the Convention, Macrourus CPUE was 2 times higher for ...
Meeting Document : WG-FSA-18/28 : Auteur(s): C. Péron, P. Yates, D. Maschette, C. Chazeau, P. Ziegler, D. Welsford, N. Gasco and G. Duhamel
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The Dissostichus eleginoides fishery in Division 58.5.1 (Kerguelen Islands)
Abstract: The Kerguelen fishery (trawlers and long-liners) of Dissostichus eleginoides is ... analyzed in the ligth of the knowledge of life cycle of the species. Catches reach a similar cumulative ... the tendancies from the LFD and an index of abundance compared. Author(s): G. Duhamel (France) Title ...
Meeting Document : WG-FSA-93/15 : Auteur(s): G. Duhamel (France)
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Seabird avoidance measures for small Alaskan longline vessels
Abstract: Given the lack of information on appropriate seabird avoidance measures for small ... capability of these vessels to deploy streamer lines and/or buoy lines according to performance standard ... guidelines. Vessel speed was found to be a primary determinant of both the distance astern that longline ... hooks were accessible to surface foraging seabirds, and the performance standards of streamer lines ...
Meeting Document : WG-FSA-05/36 : Auteur(s): E.F. Melvin and M. Wainstein (USA)
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Antarctic fur seals in the South Shetland Islands: pup production and population trends
Abstract: Discovered in 1819, the South Shetland Islands soon became the focus of intensive ... reports the results of a ground survey of all known fur seal colonies from Smith to Elephant Islands from ... 30 January –5 February 2002. Multiple counts of pups at each colony were conducted to establish ... %) and San Telmo Islands (21%). Dead pups accounted for 1.37% of the total. A comparison with previous ...
Meeting Document : WG-EMM-02/51 : Auteur(s): M.E. Goebel (USA), V.I. Vallejos (Chile), W.Z. Trivelpiece, R.S. Holt (USA) and J. Acevedo (Chile)
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ASSESSMENT MODELS FOR ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN SUBAREA 88.2 SSRU E FOR THE YEARS 2002/03 TO 2008/09
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... model resulted in a higher estimate of initial biomass than the same model for 2006, but the estimated ... initial biomass was very imprecise. The selected trips data set resulted in a more precise estimate of ... initial biomass, although there was some conflict in the likelihoods of the tag recapture observations ...
Meeting Document : WG-FSA-09/41 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)
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A SIMULATION MODEL FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES
habitats. Noting the paucity of data on the ecology of these habitats, this paper provides a practical ... paper develops a simulation model for this task, representing key properties of the benthic system such ... ecosystems’ in order to maintain the ecological structure and function of, particularly, deep sea benthic ... requirement can be translated into a simple operational objective: Maintain the quality of habitats above the ...
Meeting Document : WG-SAM-09/21 : Auteur(s): A.J. Constable (Australia)