Résultats de la recherche
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Fishing for structure; can we describe normal patterns in toothfish fishing operations using catch and effort data?
toothfish in CCAMLR fisheries and link those steps to the variables recorded as part of the CCAMLR catch and ... effort data reporting system. We then describe statistical properties of the recorded variables and how ... more difficult to evaluate given the wide range of influences that may affect recorded values for a ... given parameter. There are strong functional relationships identified between some of the variables. For ...
Meeting Document : WG-FSA-16/36 : Auteur(s): J.M. Fenaughty and K. Large
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Research plan for the exploratory longline fishery for Dissostichus spp. in Subarea 88.3 in 2017/18
to directed fishing following the results of a Chilean survey activities in 1998 (SC-CCAMLR-XVII/BG/7 ... research activities. Considering this large region, the Republic of Korea notes that only 95 research hauls ... results in an assessment of a stock in 3-4 years time (SC-CAMLR XXVIII, paragraphs 4.165). During the 2016 ... /17 season the Korean flagged vessel, Greenstar, conducted 2 nd year research in this area. Total of ...
Meeting Document : WG-SAM-17/43 : Auteur(s): Delegation of the Republic of Korea
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Proposal for a longline survey on toothfish in Statistical Subarea 48.6 in 2017/18
patterns and improve estimation of population characteristics and thereby contribute to the development of ... spatial population models and assessments in support of management advice. Additional outcomes of the ... research relate to mapping the bathymetry of the fishable area, documenting relative abundance of ... , and collecting information on distribution, relative abundance, and life history of bycatch species ...
Meeting Document : WG-FSA-17/61 Rev. 1 : Auteur(s): Delegation of Norway
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Capacity management
conservation, including rational use, of Antarctic marine living resources Recommendation Responsible body ... CCAMLR has adopted a suite of measures which relate to sustainable harvests. Many exploratory measures ... include limitations on the number of vessels which may participate in each exploratory fishery. (2010 ... group of experts to explore and report on the advantages and disadvantages (including cost and ...
Page : Site Section: The Organisation
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CCAMLR-IWC Export Group Report: Primary Productivity and Phytopalnkton
SeaWiFS and MODIS sensors that have been providing data for the last ten years. The characteristics of ... their use in the Southern Ocean. A brief history of algorithms linking ocean color to primary ... regional, carbon-based approaches. Using monthly climatologies of SeaWiFS chlorophyll, a phenology of ... phytoplankton blooms is presented for the major provinces surrounding Antarctica. Some of the published ...
Meeting Document : CCAMLR-IWC-WS-08/13 : Auteur(s): Matear, R., Mongin, M., Lovenduski, N., Strutton, P.
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Change-in-ratio and index-removal methods for population assessment and their application to snow crab (Chionoecetes opilio)
composition, in order to use these methods. We use the methods to estimate the population of legal-size snow ... of pre-recruits but this requires the assumption of equal catch ability of all animals, a condition ... seem to be ideally suited for studies of many populations of large crustaceans. Author(s): X. Xu, E.G ...
Meeting Document : WS-CRAB-93/10 : Auteur(s): X. Xu, E.G. Dawe and J.M. Hoenig (USA)
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Surface exchange between the Weddell and Scotia Seas
Abstract: Within Drake Passage, the southern flank of the Antarctic Circumpolar Current (ACC ... ) hosts the ventilation of deep water, the injection of Antarctic shelf waters and interactions between ... westward and eastward boundary cur rents. This exchange is explored through the trajectories of forty ... transport pathways between the eastern Antarctic Peninsula and sites of elevated chlorophyll in the Scotia ...
Meeting Document : WG-EMM-14/P03 : Auteur(s): A.F. Thompson and M.K. Youngs
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The krill distribution in waters around the South Shetland Islands: Preliminary results from an acoustic survey conducted by a Chinese krill fishing vessel in December 2013
data for the estimation of krill stock and its management. In December 2013, a trial acoustic survey ... Islands. Krill was found in most part of the survey area. The mean Sv of krill swarm tend to be higher in ... inshore waters in the north of the islands; however, no such tendency was observed in the Bransfield ... strait. The majority of the krill swarms were found in the upper 100 m with a thickness less than 30 m ...
Meeting Document : WG-EMM-14/47 : Auteur(s): X. Wang, X. Zhao, G. Qi, T. Zuo, J. Zhu, J. Zhang and X. Li (People’s Republic of China)
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Competition-induced starvation drives large-scale population cycles in Antarctic krill
Abstract: Antarctic krill (Euphausia superba)—one of the most abundant animal species on Earth ... —exhibits a five to six year population cycle, with oscillations in biomass exceeding one order of magnitude ... models. Here, using data analysis complemented with modelling of krill ontogeny and population dynamics ... , we identify intraspecific competition for food as the main driver of the krill cycle, while external ...
Meeting Document : WG-EMM-18/P05 : Auteur(s): A.B. Ryabov, A.M. de Roos, B. Meyer, S. Kawaguchi and B. Blasius
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CCAMLR’s Vulnerable Marine Ecosystems bioindicator taxa: a relevant tool for benthic ecoregionalisation
conservation issues in the French Exclusive Economic Zone of Kerguelen” submitted the 16/05/2018 to the journal ... CCAMLR Science for the proceedings of The Second Symposium on Kerguelen Plateau Marine Ecosystems and ... modelling results and an assessment of the new marine reserve of the Kerguelen EEZ regarding to the benthic ... conservation issues. In this document, a methodological focus is made to highlight the relevance of using the ...
Meeting Document : WG-EMM-18/19 : Auteur(s): A. Martin, E. Trouslard, M. Hautecoeur, J. Blettery, C. Moreau, T. Saucède, N. Améziane, G. Duhamel and M. Eléaume