Résultats de la recherche
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Genetic variation among populations of the Antarctic toothfish: evolutionary insights and implications for conservation
Abstract: Commercial fishing is having an increasingly negative impact on marine biodiversity ... of this, the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) has ... that there is evidence for significant genetic structure, it will be important to manage these ... the Antarctic toothfish: evolutionary insights and implications for conservation Approval: Approved ...
Meeting Document : WG-FSA-01/69 : Auteur(s): R.W. Parker, K.N. Paige and A.L. DeVries (USA)
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Escapement of elephant seal prey in the Heard Island fishery for Dissostichus eleginoides
fishery for toothfish in Division 58.5.2 might have on the abundance of the age classes of toothfish ... preyed on by these seals. This paper provides an updated analysis of the age of toothfish taken by ... Elephant seals in the Heard Island region. A question was raised at SC-CAMLR-XV concerning what affect the ... the 75% level adopted by CCAMLR for other prey species such as for krill, Euphausia superba, generally ...
Meeting Document : WG-EMM-97/42 : Auteur(s): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.
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Matlab code for calculating krill biomass in a survey area
) to recalculate the catch limit for Antarctic krill in the Scotia Sea based on updated acoustic ... for any area based on the CCAMLR 2000 survey methods. Using data from the South Orkney Island stratum ... recalculate the catch limit for Antarctic krill in the Scotia Sea based on updated acoustic algorithms ... for any area based on the CCAMLR 2000 survey methods. Using data from the South Orkney Island stratum ...
Meeting Document : SG-ASAM-16/03 : Auteur(s): A. Cossio, J. Renfree and C. Reiss
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The International Code for Ships Operating in Polar Waters: Step 2 addressing fishing vessels
adoption of a Polar Code for shipping in polar waters, and sets out the initial steps for a second phase on ... identifies the relevance for fishing vessels of various safety matters addressed in the Polar Code, on the ... . Author(s): Submitted by ASOC Title: The International Code for Ships Operating in Polar Waters: Step 2 ... Status: Content Approved Document Release Consent: Yes Delegation responsibility for releasing ...
Meeting Document : CCAMLR-XXXIV/BG/24 : Auteur(s): Submitted by ASOC
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Towards a strategic framework for assessing uncertainty in ecosystem dynamics models: objectives are sensitive too
that indentifying quantitative reference points for ecosystem based management will be an essential ... analysis for Foosa. Some of the outputs used to provide advice on the spatial allocation of krill catch ... candidate feedback management approaches for the Antarctic krill fishery in the southern Drake Passage and ... of the precautionary catch limit for krill. Foosa might therefore be a suitable simulation platform ...
Meeting Document : WG-EMM-12/20 Rev. 1 : Auteur(s): S. Hill and J. Matthews (United Kingdom)
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Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution – a project update
scales relevant to the krill fishery and predators. Preliminary analysis of a 20-year time series of ... Abstract: This paper provides an update on the joint UK-Norway MMAK project, funded by the ... critical for determining the pathways and timescales of transport into and out of the region. Links between ... : Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill ...
Meeting Document : WG-EMM-18/06 : Auteur(s): S.E. Thorpe, E.F. Young, E.J. Murphy, O.R. Godø and A.H.H. Renner
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Characteristics of water flows in areas for Antarctic krill concentrations near the South Shetland Islands
Abstract: Water flows in harvestable areas for Antarctic krill (Euphausia superba) on the ... water flows in areas for Antarctic krill concentrations near the South Shetland Islands Approval ... continental slope and shelf of the South Shetland Islands were examined based on drifting buoy data ... . Convergent complex eddies were observed in harvestable areas on the shelf, while shear current was observed ...
Meeting Document : WG-EMM-95/49 : Auteur(s): Naganobu, M., Ichii, T.
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Upward adjustments to local catch limits for the krill fishery in Subarea 48.1
Abstract: Here we compile three vignettes that, together, provide the basis for making upward ... particular it would be useful for fishing vessels to collect acoustic data on repeat transects twice per ... adjustments to local catch limits for the krill fishery in Subarea 48.1. We use the term local catch limit to ... adjustments to local catch limits as one component of a larger strategy for feedback management (FBM) of the ...
Meeting Document : WG-EMM-16/47 : Auteur(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries
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Risk assessment framework for subdividing the krill catch trigger level, including relevant background data and information
undertaken to further develop a risk assessment approach to spatially subdivide the trigger level for krill ... in Area 48 through an e-group and to deliver these outputs to Scientific Committee (WG-EMM-16 ... , paragraphs 2.230-2.244). These outputs would first be provided to WG-FSA for review, which in turn would ... 2.239) following comments and consideration by WG-FSA. Title: Risk assessment framework for subdividing ...
Meeting Document : SC-CAMLR-XXXV/BG/37
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A balanced trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery
(diets, predators) for major groups of biota. We also estimated the level of uncertainty on these ... Sea with which to investigate effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). A ... survey of the available literature provided an initial set of parameters describing the abundance ... in summer, and some may stay in the region year-round. The trophic model was balanced by adjusting ...
Meeting Document : WG-EMM-07/18 : Auteur(s): M.H. Pinkerton, S.M. Hanchet and J. Bradford-Grieve (New Zealand)