Search results
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An initial analysis of the characteristics of Antarctic krill taken by the commercial fishery and Antarctic fur seals during the winters of 2002 and 2003 at South Georgia
Abstract: We present an initial analysis of the fishing locations, fishing depth and length ... -frequency distribution of krill at South Georgia during the winter of 2002 and 2003 and compare these with ... the length-frequency distribution and frequency of occurrence of krill in the diet of Antarctic fur ... seals. There were significant differences in the mean size of krill taken by vessels/measured by ...
Meeting Document : WG-EMM-04/62 : Author(s): K. Reid, D.J. Agnew, N.L. Warren and E. Owen (United Kingdom)
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Fish in the diet of the blue-eyed shag Phalacrocorax atriceps at the South Shetland Islands: six years of monitoring studies
Abstract: In this document we inform on the results of six years monitoring changes in the diet ... of the Blue-eyed Shag Phalacrocorax atriceps as reflected by the analysis of regurgitated pellets ... collected at two localities of the South Shetland Islands. The comments are mainly focused on Gobionotothen ... the diet of this bird in the lasts years and the importance of G. gibberifrons fluctuated without ...
Meeting Document : WG-EMM-96/31 : Author(s): Barrera-Oro, E., Casaux, R.
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ANALYSIS OF SCIENTIFIC OBSERVER DATA FROM THE RUSSIAN KRILL TRAWLER 'MAXIM STAROSTIN' IN THE SOUTH ORKNEY ISLANDS REGION (SUBAREA 48.2) DURING THE SEASON 2008-2009
Abstract: In 2008 fishing season the Russian flagged vessel ' Maxim Starostin ' started ... fishing operations for krill in the Convention area. The vessel used both conventional and continuous ... of the ' Maxim Starostin '. Their observation plan targeted at monitoring the amount and ... size/sex composition of the krill catches, bycatch, spatial distribution and biological condition of ...
Meeting Document : WG-EMM-09/29 : Author(s): D. Sologub (Russia)
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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
Abstract: The results of Butterworth et al. (1991) relating potential krill yield to a pre ... -exploitation survey estimate of krill biomass are extended as specified by the Third Meeting of Working Group ... on Krill. The most important of these extensions is integration over the ranges of uncertainty for a ... number of the model parameters. Results are provided for the probability of spawning biomass falling ...
Meeting Document : WG-KRILL-92/04 : Author(s): D.S. Butterworth, G.R. Gluckman and S. Chalis (South Africa)
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Analysis of inter-vessel variability of krill length distribution in the catches obtained in the fishery in the Bransfield Strait (Subarea 48.1)
Abstract: The inter-vessel variability of krill distribution in the catches obtained in the ... Bransfield Strait (SSMU APBSW and APBSE) in April and May 2014 and 2015 was analyzed. The presence of ... statistically significant differences in the krill length distributions from catches obtained by the vessels ... operating in the fishing grounds with spatio-temporal overlapping is shown. At the same time, significant ...
Meeting Document : WG-EMM-17/28 : Author(s): S. Kasatkina
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Comparison of the diet of the blue-eyed shag Phalacrocorax atriceps by the analysis of pellets and stomach contents
Abstract: A total of 45 pellets from the blue-eyed shag Phalacrocorax atriceps were collected in ... January 1994 at Duthoit Point, Nelson Island, South Shetland Islands. The analysis showed fish as the main ... prey, followed by octopods, polychaetes and gastropods. Notothenia coriiceps formed the bulk of the ... diet, but Harpagijer antarcticus was the most frequent and important fish in number. The prey ...
Meeting Document : WG-EMM-95/79 : Author(s): Silva, P., Coria, N., Favero, M., Casaux, R.
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Size variations associated with abundance changes in juvenile Notothenia rossii, observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area
Shetland Islands, are used to study the decline in abundance previously reported fro fjord Notothenia ... rossii, in association with changes in the size and age structure of the juvenile population. Mean ... year classes entered the cove. In comparison, Notothenia neglecta, a non commercially fished species ... with similar ecological habits in the fjords, showed little variations around the expected overall mean ...
Meeting Document : WG-FSA-93/13 : Author(s): E.R. Marschoff and E.R. Barrera-Oro (Argentina)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2018 – Reflection on the recommendations by WG-EMM-17 and SC-CAMLR-XXXVI
Abstract: The CAMLR Scientific Committee in 2017 reviewed the scientific background document SC ... -CAMLR- XXXVI/BG/28. Germany was asked to carry out further work, in particular as regards the issues and ... questions raised at WG-EMM-17 and SC-CAMLR-XXXVI with respect to the WSMPA proposal (SC-CAMLR-XXXVI, Annex 6 ... , §§ 5.1-5.14). Chapter 1 reflects on the recommendations concerning the suitability of some data layers ...
Meeting Document : WS-SM-18/13 : Author(s): K. Teschke, H. Pehlke and T. Brey
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Pairwise tag performance: testing the sensitivity of the tag detection index and the mortality of tagged fish index
developed in 2012 and further developed in 2013, using a methodology which controls for the spatial and ... all other fishing events which occurred in the same time and place (i.e. within a specific distance ... and in the same fishing season). The method showed that when the confounding effects of variable ... with respect to the tag detection index in the Ross Sea region. Here we present the results of ...
Meeting Document : WG-FSA-13/50 : Author(s): S. Mormede (New Zealand)
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Effects of the Antarctic Circumpolar Current on fishing for squid (Illex Argentinus) in the Atlantic sector of the Southern Ocean
Abstract: The paper introduces several approaches to assessment of hydrological situation in the ... Atlantic sector of the Southern Ocean (the South-West Atlantic). The analysis of the SST maps suggests that ... hydrological factors depend on the intensity of two currents, the Antarctic Circumpolar Current and the ... Falkland current The paper shows correlation between a certain hydrological situation and fishing for squid ...
Meeting Document : WG-EMM-99/15 : Author(s): G.P. Vanyushin and T.B. Barkanova (Russia)