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 three-frequency method to determine the abundance and the size of two euphausiid species (Euphausia superba and Euphausia crystallorophias)
Abstract: Euphausia superba and Euphausia crystallorophias dominate the biomass and play a key ... of net samplings depends on the environmental conditions. In the Ross Sea such a limitation is due ... that organisms must occur in low concentrations and echo level from a single organism must be greater ... in a noisy environment (storms, ice) and in dense concentrations, the detection of single targets ...
Meeting Document : WG-EMM-01/63 : Autor(es): M. Azzali, J. Kalinowksi, G. Lanciani and I. Leonori (Italy)
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DNA barcoding highlights a cryptic species of grenadier (genus Macrourus) in the Southern Ocean
Abstract: The genus Macrourus is a small group of bentho-pelagic fishes with three species ... , based on a Restriction Fragment Length Polymorphism (RFLP) test. Three characters counted/scored in the ... body colour, and a single row of relatively long teeth, and a second group with 8 pelvic fin rays, dark ... (Argentina), D. Welsford and R.D Ward (Australia) Title: DNA barcoding highlights a cryptic species of ...
Meeting Document : WG-FSA-10/33 : Autor(es): P.J. Smith (New Zealand), D. Steinke (Canada), P.J. McMillan, A.L. Stewart, S.M. McVeagh (New Zealand), J.M. Diaz De Astarloa (Argentina), D. Welsford and R.D Ward (Australia)
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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 ... 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 approach based ...
Meeting Document : WG-SAM-17/30 : Autor(es): K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA (WSMPA) project team
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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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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 : Autor(es): 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 : Autor(es): O.R. Godø, G. Pedersen, D. Peddie, G. Skaret, A. Lowther, F. Grebstad and A. Lohrmann