Resultados de la búsqueda
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A Comparison Between Age Determinations of the Antarctic Fish Notothenia gibberifrons Lönnberg Using Scales and Otoliths
gibberifrons. When interpreted separately, only 25% of scale and otolith readings agreed. When a scale and ... otolith from a single simultaneously, 75% of readings agreed. of otolith readings changed between specimen ... otoliths. Author(s): R. Coggan (United Kingdom), K. Skora (Poland), A. Murray and M. White (United Kingdom ... ) Title: A Comparison Between Age Determinations of the Antarctic Fish Notothenia gibberifrons Lönnberg ...
Meeting Document : WG-FSA-89/13 : Autor(es): R. Coggan (United Kingdom), K. Skora (Poland), A. Murray and M. White (United Kingdom)
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Estimation of the 2011 catch limit for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3 using a length-based population dynamics model
Abstract: A length based projection model is employed to estimate catch limits for the 2011/12 ... . Application of the harvest control rule ensuring 75% escapement after a two year projection period yielded a ... Subarea 48.3 using a length-based population dynamics model Approval: Approved ...
Meeting Document : WG-FSA-10/37 : Autor(es): C.T.T. Edwards, R.E. Mitchell, J. Pearce and D.J. Agnew (UK)
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A single-area stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the 2004/05 season
Abstract: This report outlines a Bayesian sex and age structured population stock assessment ... ). A range of model sensitivities were examined, with the base case assuming the Ross Sea fishery as a ... levels (3207 t) would not be expected to breach the 50%B0 threshold until 2029. Author(s): A. Dunn, D.J ... . Gilbert and S.M. Hanchet (New Zealand) Title: A single-area stock assessment model of Antarctic toothfish ...
Meeting Document : WG-FSA-05/33 : Autor(es): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)
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A bioenergetics model assessment of the prey consumption of Adélie penguins in Subarea 48.1 and 48.2
Abstract: We present a preliminary analysis to estimate the consumption of prey by Adélie ... the population of Adélie penguins at Signy Island consumes 4,600 t of krill and 696 t of fish during a ... 304,980 and 53,161 t of prey during a single breeding season. Our study builds on previous work using a ... Title: A bioenergetics model assessment of the prey consumption of Adélie penguins in Subarea 48.1 and ...
Meeting Document : WG-EMM-17/32 : Autor(es): C. M. Waluda, L. Emmerson, C. Southwell and P.N. Trathan
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Identification of marine Important Bird and Biodiversity Areas for penguins in South Shetland and South Orkney Islands: a comparison of two different approaches
Abstract: • We provide a method of analysing penguin tracking data to identify marine IBAs, based ... can be used with a high degree of confidence to identify marine IBAs for penguins; • The results ... reported here provide a new method for the designation of a network of marine IBAs in Antarctic waters for ... Bird and Biodiversity Areas for penguins in South Shetland and South Orkney Islands: a comparison of ...
Meeting Document : WG-EMM-17/35 : Autor(es): M.P. Dias, A.P.B. Carneiro, V. Warwick-Evans, C. Harris, K. Lorenz, P. Trathan
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“Sailbuoy for krill” – a concept for autonomous commercial and scientific monitoring of the krill fishing in Antarctica
and will be tailored to support data for Feedback management and for a more environmentally efficient ... an acoustic modem. We plan the first test in 2019 and it is the goal of this paper to establish a ... ’ requirement. Author(s): O.R. Godø, G. Pedersen, D. Peddie, G. Skaret, A. Lowther, F. Grebstad and A. Lohrmann ... Title: “Sailbuoy for krill” – a concept for autonomous commercial and scientific monitoring of the ...
Meeting Document : WG-EMM-18/15 : Autor(es): O.R. Godø, G. Pedersen, D. Peddie, G. Skaret, A. Lowther, F. Grebstad and A. Lohrmann
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Sharks by-catch observed on bottom longlines fishery off the Kerguelen Islands in 2006–2016, with a focus on Etmopterus viator
total fishing effort. A total of 26 203 longline hauls and more than 55 million hooks were checked by ... distributions of the shark bycatch species and their relative abundance. Length-frequency for E. viator showed a ... bimodal distribution characterizing a long-lived species and stopping growth of adults. The study also ... and probably for the species. Author(s): C. Chazeau, S.P. Iglésias, N. Gasco, A. Martin and G ...
Meeting Document : WG-FSA-18/25 : Autor(es): C. Chazeau, S.P. Iglésias, N. Gasco, A. Martin and G. Duhamel
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Moving towards a new era in ecosystem-based krill fishery management
) 51-07. SC-CAMLR agrees on the need to conduct subarea or finer scale stock assessments on a regular ... ; 3) ensuring a method for bycatch reporting at 2-hour intervals in the continuous mid-water trawl ... in the continuous mid-water trawl fishing gear. SC-CAMLR organizes a technical workshop to undertake ... a comprehensive review of CEMP, considering the growing ecosystem monitoring requirements of CCAMLR ...
Meeting Document : SC-CAMLR-38/BG/22 : Autor(es): Submitted by ASOC
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Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island Plateau region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in May 2004
Abstract: A survey of Patagonian toothfish, Dissostichus eleginoides,was undertaken in Division ... -term annual yield in the 2004/2005 CCAMLR season. This paper provides a preliminary assessment of yield ... for the area of Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods. It presents a ... ) based on a random stratified trawl survey in May 2004 Approval: Approved ...
Meeting Document : WG-FSA-04/76 : Autor(es): C.R. Davies, T. Lamb, A.J. Constable and R. Williams (Australia)
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CHARACTERISING KRILL FISHERY DYNAMICS USING A RANDOM WALK MODEL
-distances were well described by a Levy Flight type random walk model. The inferred distribution pattern of ... tonnes/hour and 7 tonnes/hour in autumn in Area 48.1. Fishers seemed to be forced to make a number of ... grounds. Author(s): S. Kawaguchi, S. Candy and A. Constable (Australia) Title: CHARACTERISING KRILL ... FISHERY DYNAMICS USING A RANDOM WALK MODEL Approval: Approved ...
Meeting Document : WG-EMM-09/18 : Autor(es): S. Kawaguchi, S. Candy and A. Constable (Australia)