Résultats de la recherche
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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 : Auteur(s): 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 : Auteur(s): M.P. Dias, A.P.B. Carneiro, V. Warwick-Evans, C. Harris, K. Lorenz, P. Trathan
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2017 – Reflection of the recommendations by WG-EMM-16 and SC-CAMLR-XXXV
in support of the development of a CCAMLR MPA in the Weddell Sea. Germany was asked to carry out ... , including an update on the Antarctic toothfish habitat model. Chapter 3 provides a sensitivity analysis of ... the level of protection for Antarctic toothfish and other demersal fish that explores a range of ... protection-level scenarios. In this context, we show how the cost layer works. Subsequently, a revised Marxan ...
Meeting Document : WG-FSA-17/29 : Auteur(s): K. Teschke, H. Pehlke and T. Brey
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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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): S. Kawaguchi, S. Candy and A. Constable (Australia)
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A shore-based randomised sampling design used in the artisanal longline fishery for Dissostichus eleginoides off central Chile
Abstract: A shore-based design used to sample sports fisheries was adapted to sample otoliths ... northern Chile. Observers were stationed dockside and at a processing factory. A 14-day sampling frame was ... incidental mortality of higher predators. Author(s): Rubilar, P., Ashford, J., Jones, C. Title: A shore ...
Meeting Document : WG-FSA-96/54 : Auteur(s): Rubilar, P., Ashford, J., Jones, C.
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A method for preparing large numbers of otolith sections for viewing by scanning electron microscope
Abstract: In an investigation of the age structure of a population of Notothenia coriiceps ... reported on a method used for processing large numbers of otoliths using a scanning electron microscope ... , K. Robinson and M.G. White (United Kingdom) Title: A method for preparing large numbers of otolith ...
Meeting Document : WG-FSA-93/07 : Auteur(s): J.R. Ashford, K. Robinson and M.G. White (United Kingdom)