Résultats de la recherche
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MANAGEMENT OF VMS INFORMATION BY THE SECRETARIAT CONCERNING CATCHES OF PATAGONIAN TOOTHFISH BEYOND THE CONVENTION AREA
the document: Management of VMS information by the Secretariat concerning catches of Patagonian ... toothfish beyond the Convention Area Authors: Fisheries Under-Secretariat and National Fisheries Service ... , that VMS reports by vessels that capture toothfish be transmitted previously and in real time to the ... Secretariat, even when the captures take place outside the Convention Area. This document proposes that when ...
Meeting Document : CCAMLR-XXIX/46 : Auteur(s): Delegation of Chile
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Ecological risk management and the fishery for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica
to avoid, mitigate, manage or tolerate risk; and monitoring of risk. Here we begin the development of ... an ecological risk assessment for Antarctic Toothfish (Dissostichus mawsoni) longline fishery in the ... Ross Sea, Antarctica. We propose that, by defining risks and quantifying potential impacts, the limited ... research and management resources can be prioritised so as to meet the objectives of Article II of CCAMLR ...
Meeting Document : WG-EMM-07/24 : Auteur(s): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)
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Proposed methodology for the assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (Division 58.4.3b)
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 ... resource in this area, and the lack of a scientific basis for setting catch limits in these areas (SC-CAMLR ... XXV, paragraphs 4.184-4.192). In its management advice for this and other exploratory fisheries, the ...
Meeting Document : WG-SAM-07/8 : Auteur(s): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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Rationale, structure and current templates of the Ecosystem, Productivity, Ocean, Climate (EPOC) modelling framework to support evaluation of strategies to subdivide the Area 48 krill catch limit amongst small-scale management units
Abstract: Since 2002, the Working Group on Ecosystem Monitoring and Management has been ... focussed on subdividing the region-wide krill catch limit in the southwest Atlantic into small-scale ... management units through a number of workshops. Computer simulations are being used by WG-EMM to evaluate the ... costs and benefits to achieving conservation and fishery objectives of the six different strategies for ...
Meeting Document : WG-SAM-07/14 : Auteur(s): A. Constable (Australia)
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An Apparent Decrease in the Prevalence of “Ross Sea Killer Whales” in the Southern Ross Sea
Abstract: Killer whales (Orcinus orca), both ecotype-B and-C, are important to the Ross Sea ... , Antarctic ecosystem; the type-C is referred to as “Ross Sea [RS] killer whale”. Herein, we review data on ... occurrence patterns and diet of RS killer whales, and present new information on numbers observed in the ... southwestern Ross Sea, 2002- 2008. These “resident” whales appear to feed principally on fish, including the ...
Meeting Document : WG-EMM-09/P01 : Auteur(s): D.G. Ainley, G. Ballard and S. Olmastroni
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On the consequences of differentiating between adult and sub-adult survival rates in the krill-predators model
Abstract: The krill-predators model is generalised by splitting post-first-year animals into ... adults and sub-adults, with different survival rates for these two groups. Broadly speaking, the sub ... -adult survival rate can be adjusted to ensure that the modelled predator population reflects observed ... : one reflects the difference between adult and sub-adult survival rates, while the other relates to the ...
Meeting Document : WG-EMM-95/39 : Auteur(s): Butterworth, D.S., Thomson, R.B.
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Exploratory longline fishing around the Kerguelen Islands (Division 58.5.1). Description of the fishing effort; catchability and target size of Dissostichus eleginoides
Abstract: During the 1990/91 and 1991/92 fishing seasons, two longliners carried out exploratory ... fishing over the western shelf break of the Kerguelen shelf (Division 58.5.1). Scientific monitoring of ... . Bottom longlines are generally used at depths of 400 to 600 m. The mainline (1 to 2 miles long) carries ... about 2 400 to 3 600 straight hooks, which are from 61 to 75 mm in length. The bait used is either ...
Meeting Document : WG-FSA-92/31 Rev. 1 : Auteur(s): G. Duhamel (France)
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The use of morphometric parameters for the determination of sex of Adelie penguins
Abstract: The ability to determine the sex of Adélie penguins by discriminant analysis of ... comparing the discriminant score D = 0.582 (bill length) + 1.12 (bill depth) + 0.219 (flipper width ... , cubitocarpal) with the mean discriminant score of 55.39. Males have a higher score and females a lower one. The ... sex of juvenile birds (identified by their white chins) cannot be determined by this method. The ...
Meeting Document : WG-CEMP-91/5 Rev. 1 : Auteur(s): K.R. Kerry, D.J. Agnew, J.R. Clarke and G.D. Else (Australia)
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The development of spatially and temporally controlled measures of survival and tag-detection for the CCAMLR tagging program
Abstract: A reliable commercial tagging program is critical to the successful assessment and ... management by CCAMLR of a number of toothfish fisheries in Antarctica. The evaluation of the tagging ... programme relies on two key aspects (i) that the tagged fish have a good chance of survival and (ii) that ... the tagged fish are reliably detected when recaptured. Previous attempts to evaluate individual vessel ...
Meeting Document : WG-SAM-12/30 : Auteur(s): S. Mormede and A. Dunn (New Zealand)
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Preliminary report of outcomes of the 2nd international workshop on the ICED Southern Ocean Sentinel, held in Hobart Australia 7–11 May 2012
Abstract: The 2nd international workshop on the ICED Southern Ocean Sentinel was held at CCAMLR ... Headquarters on 7-11 May 2012 in Hobart, Australia, hosted by the Australian Antarctic Division and the ... the discussion on strategies for measuring change in Southern Ocean marine ecosystems, including ship ... -based and land-based monitoring and integrated studies. The workshop agreed a work plan for ...
Meeting Document : WG-EMM-12/59 : Auteur(s): A. Constable (Australia)