Search results
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Geographic aspects of Euphausia superba resources exploitation
adjacent waters (subregions outside of the Scotia Sea are under pecular attention) are observed ... ° Concentration of E.superba of the same order of biomass volume as in the Scotia Sea were observed at several ... subregions along the peripherie of Weddell Gyre and also nearshore of Antarctide. Offshore concentrations of ... areas should include the preliminar getting of knowledges on changeability of E.superba aggregation ...
Meeting Document : WG-CEMP-92/31 : Author(s): R.R. Makarov (Russian Federation)
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Research plan for toothfish in Division 58.4.4 b by Shinsei maru No. 3 in 2015/16
results using CASAL models in research block 58.4.4b_1 are described in a separated document. The ... and CASAL OB_1b model (vulnerable biomass in 2014), respectively. The stock sizes of D. eleginoides in ... block 58.4.4b_2 is estimated at 648 tonnes only by using CPUE method, as the catch and tagging data in ... the current research operation for the next fishing season with the same survey design and total ...
Meeting Document : WG-SAM-15/13 : Author(s): Delegation of Japan
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Dietary studies of Adélie penguins through faecal DNA analysis
Abstract: The composition of penguin diet is currently monitored through the A8 CEMP Chick Diet ... monitoring parameter. The current Standard Method involves stomach lavage to collect the stomach contents of ... adult birds and sorting the samples to identify prey composition and mass. At WG-EMM-12 it was noted ... , procedures were under consideration. Here we discuss results from recent work using the extraction of prey ...
Meeting Document : WG-EMM-17/13 : Author(s): L. Emmerson, B. Deagle, C. Waluda, M. Dunn, P. Trathan and C. Southwell
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WG-KRILL-92
-92/04 Further computations of the consequences of setting the annual krill catch limit to a fixed ... fraction of the estimate of krill biomass from a survey D.S. Butterworth, G.R. Gluckman and S. Chalis ... (South Africa) WG-KRILL-92/05 State of the Antarctic krill (Euphausia superba Dana) resources in the ... (Russia) WG-KRILL-92/06 Report of biological observations carried out on board the krill fishing vessel ...
Meeting
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A review of national observer training and education programs (Scheme of International Scientific Observation)
Abstract: At CCAMLR-XXV, the Scientific Committee noted that the implementation of the observer ... program and the application of observer requirements could be improved by adopting a standard approach to ... levels of education and training for observers was undertaken by the Secretariat. Information provided by ... identified, these are: role of the scientific observer; vessel and fishing operations; catch estimation; gear ...
Meeting Document : SC-CAMLR-XXVI/BG/09 Rev. 1 : Author(s): Secretariat
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Foraging strategies of chinstrap penguins at Signy Island, Antarctica: importance of benthic feeding on Antarctic krill
Abstract: Chinstrap penguins Pygoscelis antarctica are one of the major consumers of Antarctic ... krill Euphausia superba in the Southern Ocean. To examine their foraging strategy, we studied foraging ... trips). The diving depths of our study birds were much deeper (to 179 m) than previous studies on this ... maximum depth, the typical characteristics of benthic dives. These benthic-type dives were more abundant ...
Meeting Document : WG-EMM-03/37 : Author(s): A. Takahashi (Japan), M.J. Dunn, P.N. Trathan (United Kingdom), K. Sato, Y. Naito (Japan), J.P. Croxall (United Kingdom)
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MULTIPLE INDICATORS SUGGEST A STRONG ECOSYSTEM ANOMALY AT SOUTH GEORGIA IN 2009
Abstract: The marine pelagic system around South Georgia is characterised by considerable inter ... local oceanographic and atmospheric conditions. Much of the observed variability in various fitness ... metrics for birds, seals and fish seems to be connected with the availability of Antarctic krill ... , Euphausia superba, which is a major prey species for many vertebrate populations at South Georgia. The ...
Meeting Document : WG-EMM-09/23 : Author(s): S. Hill, M. Belchier, M. Collins, S. Fielding, E. Murphy, P. Trathan, H. Venables and C. Waluda (United Kingdom)
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UPDATED PRELIMINARY RESULTS OF AN ECOLOGICAL RISK ASSESSMENT FOR SEABIRDS AND MARINE MAMMALS WITH RISK OF FISHERIES INTERACTIONS
identify areas or species requiring additional management or monitoring. Our study indicated that the risk ... particularly strong overlap between fishing effort and species ranges. We tested the sensitivity of the ... adding a factor of population. We found the outcomes of the PSA analyses were robust to these effects ... . However, adult survival rates did influence the rankings, and were identified as a key parameter requiring ...
Meeting Document : WG-FSA-08/51 : Author(s): S. Waugh, D. Filippi, N. Walker (New Zealand) and D.S. Kirby
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Among-year variation in growth of Antarctic krill Euphausia superba based on length-frequency data
Abstract: Understanding the temporal variability in vital rates (e.g. growth and survivorship) of ... estimating growth from observed length-frequency samples by combining kernel density estimates of the length ... -frequency distribution and the von Bertalanffy growth function. Our approach is conceptually straightforward ... and easy to implement. We applied the methods to Antarctic krill Euphausia superba collected from the ...
Meeting Document : WG-EMM-13/P01 : Author(s): A.O. Shelton, D. Kinzey, C. Reiss, S. Munch, G. Watters and M. Mangel (USA)
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Progress towards a representative network of Southern Ocean protected areas
actions towards improved conservation and management. Several international targets have recommended the ... international waters has proven to be challenging in most of the world, national governments and the Commission ... for the Conservation of Marine Living Resources (CCAMLR) have succeeded in adopting multiple MPAs in ... the Southern Ocean. But are these MPAs representative of Southern Ocean biodiversity and ecosystems ...
Meeting Document : WS-SM-18/12 Rev. 1 : Author(s): C. Brooks, S. Chown, L. Douglass and B. Raymond