Resultados de la búsqueda
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Dynamic model of krill Euphausia superba swarm
Abstract: During the Italian Antarctic Expeditions to the Ross Sea, in the years 1989- 1994 ... , using the 38 and 120 kHz BioSonics dual-beam hydroacoustic system, numerous swarms of krill Euphausia ... (Okubo, 1980, 1986). It was assumed that the above mentioned model can also be applicable to krill swarms ... . Using physical parameters of the krills' swarm (density, length), the above assumption was verified ...
Meeting Document : WG-EMM-95/68 : Autor(es): Kalinowski, J., Azzali, M.
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Determination of local density of Dissostichus eleginoides in Subarea 48.3 - CCAMLR protocol local depletion experiment Ihn Sung 66 - January 1994
Abstract: A long lining stock depletion trial was undertaken by the Korean longliner Ihn Sung 66 ... in January 1994 in accordance with CCAMLR Conservation Measure 69/XII and the Experimental Protocol ... circulated by the Secretariat in COMM CIRC 93/50. The results of this experiment are presented. Leslie and ... DeLury methods are tested using simulations to determine the most appropriate method. The Leslie method ...
Meeting Document : WG-FSA-94/22 : Autor(es): C. Jones and G. Parkes (United Kingdom)
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A fish stock assessment survey design for Subarea 48.1
Abstract: There is a lack of information regarding the abundance of exploitable finfish in ... the Working Group on Fish Stock Assessment to assess the stocks in this region and assist the ... Scientific Committee in giving management advice to the Commission. A stratified random survey is proposed ... ; the strata correspond to depth ranges (stratum 1: 50-150 m; stratum 2: 151-250 m; stratum 3: 251-500 m ...
Meeting Document : WG-FSA-92/07 : Autor(es): G. Watters (USA)
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Application of continuous time Markov chains to modelling animal movement: estimation of movement rates and retention times for Patagonian toothfish
Abstract: The study of animal movement and distribution has been a central focus in ecology since ... the inception of the science. However, continuous-time, discrete state models have received relatively ... , including an inferential framework which can accommodate heterogeneous sampling effort. We explore the ... apply the model to estimate the equilibrium distribution of Patagonian toothfish in the region around ...
Meeting Document : WG-FSA-SAM-06/16 : Autor(es): C. Wilcox, M. Bravington and D. Peel (Australia)
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Southern Ocean Network of Acoustics (SONA)
Abstract: Southern ocean processes are intimately linked to some of the most pressing challenges ... faced by society today: climate change, ocean acidification and the sustainable management of marine ... resources. To address these challenges we need to improve our understanding of the natural causes and ... through international collaboration, will enable us to measure the baseline and future trends in the ...
Meeting Document : WG-EMM-13/17 Rev. 1 : Autor(es): S. Fielding (United Kingdom), E. Josse (France), R. Kloser (Australia), R. O’Driscoll (New Zealand), C. Reiss (USA) and G. Skaret (Norway)
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Using vessel acoustics to detect diving patterns of krill foraging predators automatically: Development of a novel method for quantifying impact of krill fishing on seals and penguins
Abstract: The aim of this work was to assess the possibilities of automatically generating a ... of diving predators in the data is feasible. A relatively low detection probability of our algorithms ... compared to the manual detections, suggest that there is significant room for improvement. Given the ... caveats of an imperfect methodology, the results document the possibilities to automatically extract, with ...
Meeting Document : WG-EMM-15/25 : Autor(es): T.A. Klevjer, O.R. Godø and B. Krafft (Norway)
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Reflection Paper on a Proposal for a CCAMLR Weddell Sea Marine Protected Area (WSMPA)
Members on a proposal for the establishment of a marine protected area in the Weddell Sea (Weddell Sea ... Marine Protected Area, WSMPA). Intersessional discussions have revealed the need for further reflection ... submitted to the CCAMLR's Commission and Scientific Committee for decision. To his end, the aim of the ... current paper is to obtain advice from CCAMLR Members on some relevant matters highlighted in the paper ...
Meeting Document : CCAMLR-XXXIV/BG/37 : Autor(es): Delegation of the European Union and its Member States
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Domain 1 Marine Protected Area Preliminary Proposal – PART B: Conservation objectives
Abstract: This report summarizes the results of a series of international workshops specifically ... develop to assist in the Domain 1 MPA planning process, including the 2012- First International Workshop ... held in Valparaiso, Chile, (WG-EMM 12/69); the 2013 – Binational Workshop (Chile-Argentina) held in La ... Serena, Chile (WG-EMM 14/40), the 2015- Second International Workshop for identifying Marine Protected ...
Meeting Document : WG-EMM-17/24 : Autor(es): Delegations of Argentina and Chile
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Enhancing CCAMLR performance
Abstract: CCAMLR has a history of leadership in conservation and management, yet the outcomes of ... recommends that as CCAMLR reviews the outcomes of the second Performance Review, it also considers how to ... implement outstanding recommendations from the first Performance Review. Implementation should take into ... account recommendations on the same issues from the second Performance Review as well as recent CCAMLR ...
Meeting Document : CCAMLR-XXXVI/BG/28 : Autor(es): Submitted by ASOC
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Preliminary assessment of toothfish in Subarea 48.3
Abstract: As with the 2009 assessment of Subarea 48.3, there is still uncertainty as to why there ... were high numbers of the 2001 cohort in commercial catches in 2009 onwards. It is likely that it is ... due to a combination of a strong 2001 cohort and a change in selectivity for the commercial fleet, but ... it has not been possible to determine the relative importance of each explanation. Median log-normal ...
Meeting Document : WG-FSA-11/33 Rev. 1 : Autor(es): T. Peatman, R.E. Mitchell, G. Parkes and D.J. Agnew (United Kingdom)