Resultados de la búsqueda
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Preliminary analysis of seabird by-catch in the South Georgia icefish fishery
factors affecting the probability of a haul catching birds, but no significant factors were found that ... Abstract: We conducted a preliminary analysis on the numbers of birds caught as a bycatch in the ... 92 birds were caught, principally black-browed albatross and white-chinned petrel, with 93% of the ... could explain the number of birds caught. Differences in the numbers caught in the last three years also ...
Meeting Document : WG-FSA-01/30 : Autor(es): D.J. Agnew, N. Ansell and J.P. Croxall (United Kingdom)
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Stock status and population assessment of the Antarctic starry skate (Amblyraja georgiana) in Subarea 48.3
Abstract: The Antarctic starry skate (Amblyraja georgiana), is currently listed as “Data ... Deficient” by IUCN (Endicott & Kyne 2009) and is one of the main by-catch species in the longline ... fishery for Patagonian toothfish (Dissostichus eleginoides) around South Georgia in the Southern Ocean ... on taxonomic identification, stock status and assessment for the Antarctic starry skate around South ...
Meeting Document : WG-FSA-18/27 : Autor(es): M. Söffker, N.D. Walker, M. Belchier and J. Ellis
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Preliminary results of stock estimation for D. mawsoni using CASAL in the research block 48.6_2
Abstract: A preliminal CASAL model was constructed for D. mawsoni at the research block 48.6_2 ... . The model assumes that single sex and age structured model without considering IUU. Tag release data ... during 2012–2017 was used. Catch data during 2006–2017 was used as fishery data. In the MPD, age and ... CPUE fit well. On the otherhands, fit of tag release are relatively low level, especiall in 2016. The ...
Meeting Document : WG-FSA-18/72 : Autor(es): T. Okuda
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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