Search results
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AGE AND GROWTH OF SPINY ICEFISH, CHAENODRACO WILSONI REGAN, 1914, OFF JOINVILLE-D'URVILLE ISLANDS (ANTARCTIC PENINSULA)
January 2007. A total of 218 specimens were selected for the study, consisting of 120 females and 98 males ... . The age of fish was estimated by counting annuli on transverse sections obtained by grinding and ... polishing whole otoliths embedded in epoxy resin in moulds. The precision of age estimates between readings ... was tested applying both the average percent error (APE) and the coefficient of variation (CV). The ...
Meeting Document : WG-FSA-08/33 : Author(s): M. La Mesa, A. De Felice (Italy), C.D. Jones (USA) and K.-H. Kock (Germany)
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A simulation study of krill fishing by an individual Japanese trawler
Abstract: A model is set up for the operation (which includes both searching and fishing) of a ... Japanese krill trawler over a half-month period, and the output is compared to statistics from a sample of ... data from the commercial fishery. Twenty-four candidate "CPUE" biomass indices are considered ... , and their performance investigated in response to six different ways in which the overall krill ...
Meeting Document : SC-CAMLR-VI/BG/38 : Author(s): D.S. Butterworth (United Kingdom)
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Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys
of Antarctic sighting cruises for whale assessment purposes organized by the International Whaling ... Commission Scientific Committee (IWC SC) in the context of the research programs ‘International Decades of ... . The density indices in both subareas suggested that humpback and fin whales were more frequently ... of importance for management of krill under the FBM. The first is the development of the stock ...
Meeting Document : WG-EMM-16/26 : Author(s): L.A. Pastene and T. Hakamada
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Large-scale oceanographic fluctuations drive Antarctic petrel survival and reproduction
climate variability. Using global climate indices that are known to impact the Southern Ocean ecosystem ... (the El Niño Southern Oscillation and Antarctic Oscillation Indices) we assessed their e cacy to ... predict variation in the demographic parameters of Antarctic seabirds. First, we used a long-term dataset ... alassoica antarctica, from the largest known breeding colony (Svarthamaren, Dronning Maud Land) and examined ...
Meeting Document : WG-EMM-16/P14 : Author(s): S. Descamps, A. Tarroux, S.-H. Lorentsen, O.P. Love, Ø. Varpe and N.G. Yoccoz
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Coastal weather drives foraging behaviour of chinstrap penguins, Pygoscelis antarctica
indicators because their performance is presumed to be linked to the overall function of the ecosystem that ... supports them. In the southwest Atlantic sector of the Southern Ocean, Antarctic krill (Euphausia superba ... the ecosystem in an adaptive framework for sustainably managing krill catch levels, performance ... potentially confounding sources of variability that might impact predator performance such as the effects of ...
Meeting Document : WG-EMM-18/P14 : Author(s): A.D. Lowther, P. Trathan, A. Tarroux, C. Lydersen and K.M. Kovacs
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Report on fish by-catch during exploratory fishing activities in Division 58.4.3a (Elan Bank) between 2008 and 2018
Abstract: We report on objective 2 “inform estimations of the distribution, relative abundance ... , and life history of the main bycatch species” of the suspended research plan on Patagonian toothfish ... analyzed bycatch composition in number and biomass during the period 2008-2018 to investigate the inter ... -annual variations in bycatch patterns, spatial distribution and biological parameters of the main bycatch ...
Meeting Document : WG-FSA-2019/56 : Author(s): C. Péron, C. Chazeau, N. Gasco and F. Massiot-Granier
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WG-EMM-06
documents Doc Number Title WG-EMM-06/1 Provisional Agenda and Provisional Annotated Agenda for the 2006 ... Meeting of the Working Group on Ecosystem Monitoring and Management (WG-EMM) WG-EMM-06/10 Demography of ... Antarctic krill in the Lazarev Sea (Subarea 48.6) in the 2005/06 season V. Siegel (Germany) WG-EMM-06/11 ... Descriptive analysis of mesopelagic backscatter from acoustic data collected in the Ross Sea R.L. O’Driscoll ...
Meeting
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RESOURCES EVALUATION OF ANTARCTIC KRILL EUPHAUSIA SUPERBA DANA USING AREAL TRAWLING AND HYDRO-ACOUSTIC DATA
analyses procedures applied for trawling and hydro-acoustic sampling have to in compliance with the rules ... of statistical distribution and principles of metrology. Division of natural habitat of the Antarctic ... krill into regions is based on a principle of equal probability applied for congestions instead of the ... revealed. Standard measures for the population densities of krill in natural habitat are not available ...
Meeting Document : WG-SAM-08/P01 : Author(s): L.A. Kovalchuk (Ukraine)
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WG-EMM-07
-EMM-07/24 Ecological risk management and the fishery for Antarctic toothfish (Dissostichus mawsoni) in ... the Ross Sea, Antarctica M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand) WG-EMM-07/25 Interim ... Analysis of krill fishery behaviour in the southwest Atlantic: potential signals for moving fishing ... the RMT8 plankton net and a commercial trawl for Antarctic krill V. Siegel (Germany) WG-EMM-07/29 ...
Meeting
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CCAMLR environmental protection measures
Abstract: Following Resolution 1 (2004) adopted at the Twenty-seventh Meeting of the ATCM, the ... Secretariat has prepared this paper to review all the environmental protection-related provisions of various ... CCAMLR Conservation Measures in force. The suggestion is made that there may be benefit in consolidating ... such provisions within a single measure insofar as they relate directly to the potential environmental ...
Meeting Document : CCAMLR-XXIII/33 : Author(s): Secretariat