Resultados de la búsqueda
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Autoliners and seabird by-catch: do line setters increase the sink rate of integrated weight longlines?
confer no sink rate advantage to IW longlines. Longlines deployed with a line setter enter the water ... vessels in the Kerguelen and Crozet Islands Patagonian toothfish fisheries to deter seabirds, ostensibly ... by expediting gear sink rates. A trial was conducted in the Ross Sea in 2007 to determine the ... longlines set with and without a line setter were identical, including in the first few metres of the water ...
Meeting Document : WG-FSA-07/13 : Autor(es): G. Robertson (Australia), J. Williamson, M. McNeill (New Zealand), S. Candy (Australia) and N. Smith (New Zealand)
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Mercury in the coastal Antarctic ecosystem: Initial findings
understand how Antarctic environments respond to globally reducing Hg emission with the Minamata Convention ... fragmented. Therefore, our goal is to add to the existing information and build a framework for long term ... .-W. Jung Title: Mercury in the coastal Antarctic ecosystem: Initial findings Approval: Approved ... Secretariat Workflow Status: Content Approved Document Release Consent: No Delegation responsibility for ...
Meeting Document : WG-EMM-2019/51 Rev. 1 : Autor(es): E. Kim, Z. Baumann, J.-H. Kim and J.-W. Jung
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Notes for identifying the three macrourid species, M. holotrachys, M. whitsoni and M. carinatus in CCAMLR Subarea 48.3
the identification of three macrourid species caught as bycatch in the fishery for Patagonian ... toothfish, Dissostichus eleginoides, in Sub-Area 48.3. Scaling under the snout was used to separate ... Macrourus holotrachys (no scales) from both Macrourus whitsoni and Macrourus carinatus (which are both ... scaled). The relative positioning of the second dorsal fin and the anal fin can also be used to ...
Meeting Document : WG-FSA-02/29 : Autor(es): S.A. Morley, M. Belchier, M.G. Purves, T. Mulvey and J. Dickson (United Kingdom)
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A generalised model for evaluating yield and the long term status of fish stocks under conditions of uncertainty
flexibility for assessing the influence of different patterns of growth, natural mortality, spawning and ... fishing on the estimates of yield per recruit. Also, it can be used to evaluate the performance of a stock ... under a specified catch regime. The model uses an adaptive Runge-Kutta procedure to evaluate stock ... each year by integrating a set of differential equations which incorporate functions that specify the ...
Meeting Document : WG-FSA-95/41 : Autor(es): de la Mare, W.K., Constable, A.J.
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Pygoscelis penguin colonies census in the Vernadsky Antarctic station area (Statistical Subarea 48.1)
Abstract: The Pygoscelis penguin colonies census in the Vernadsky Antarctic station area has been ... provided during 2017-2018 breeding season. The Pygoscelis penguins in the region of research are mainly ... about 780 immature penguins. The Adelie specie is much less common in the area and formed 8 nesting ... colonies with 5300 nesting pairs and 800 immature penguins. Inside of the Adelie penguin specie family ...
Meeting Document : WG-EMM-18/25 : Autor(es): V.M. Smagol, A.O. Dzhulay, I.V. Dykyy and G.P. Milinevsky
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Pygoscelis penguin census in the Vernadsky Antarctic station area
Abstract: The Pygoscelis penguin colonies census in the Vernadsky Antarctic station area has ... been provided during 2017-2018 breeding season. The most abandoned Pygoscelis penguin species in the ... pairs total and about 780 immature penguins. The Adelie species is much less common in the area and ... formed 8 nesting colonies with 5300 nesting pairs and 800 immature penguins. Inside of the Adelie penguin ...
Meeting Document : SC-CAMLR-XXXVII/BG/06 : Autor(es): V.M. Smagol, A.O. Dzhulay, I.V. Dykyy, G.P. Milinevsky and E.O. Dykyy
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Spatio-temporal dynamics of the Antarctic krill fishery in Subarea 48.1 based on data collected on board F/V Fu Rong Hai
Abstract: Understanding of the dynamics of the Antarctic krill fishery and the krill population ... played an important role in the feed-back management of krill fishery. The CPUE data collected from the ... Chinese F/V Fu Rong Hai from 2012/13 to 2016/17 fishing seasons were used to describe the temporal and ... spatial dynamics of the population and the fishery of krill in CCAMLR Subarea 48.1. The acoustic data ...
Meeting Document : WG-EMM-18/41 : Autor(es): Y. Ying, X. Wang, X. Zhao, J. Zhu, G. Fan and X. Yu
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2004 winter and 2004/05 breeding season
numbers in the previous winterit was encouraging to see no observations of entanglements in plastic ... Abstract: The number of entanglements in the fifteenth consecutive winter surveyed, decreased by ... 64% from last year. For the first time since records started in 1990, none of the injuries were ... classified as severe. The seventeenth consecutive summer (2004/05) of reporting also saw a decrease of 64 ...
Meeting Document : SC-CAMLR-XXIV/BG/16 : Autor(es): Delegation of the United Kingdom
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2003 winter and 2003/04 breeding season
summer (27%), they caused the majority of winter entanglements (71%). For the second year running no ... Abstract: In the fourteenth consecutive winter of the survey at Bird Island, South Georgia, the ... number of entanglements increased by 56% compared to last year and the majority of injuries were ... classified as severe (71%). In contrast the sixteenth consecutive summer of reporting saw a decrease of 45 ...
Meeting Document : SC-CAMLR-XXIII/BG/14 : Autor(es): Delegation of the United Kingdom
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THE WHITE-CHINNED PETREL (PROCELLARIA AEQUINOCTIALIS) ON SOUTH GEORGIA: POPULATION SIZE, DISTRIBUTION AND GLOBAL SIGNIFICANCE
poorly understood, partly because there have been no estimates of the species’ abundance in recent ... fisheries than probably any other seabird in the world, but the population impact of this mortality is ... decades. The largest breeding aggregation, comprising the majority of the worldwide total, is believed to ... be on the sub-Antarctic island of South Georgia. We estimated the size of this population by ...
Meeting Document : WG-EMM-PSW-08/05 : Autor(es): A.R. Martin, S. Poncet, C. Barbraud, P. Fretwell and E. Foster (United Kingdom)