Résultats de la recherche
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A hydroacoustic survey of Antarctic krill populations in CCAMLR Division 58.4.1
Abstract: The survey design for an integrated biological/physical survey of Division 58.4.1 ... include hydroacoustic determinations of krill distribution and abundance and physical oceanographic ... sampling along 18 regularly spaced transects from the Antarctic coastline to a distance of 180 n miles. The ... data on krill distribution and abundance will be submitted to CCAMLR for the purpose of setting a ...
Meeting Document : WG-EMM-95/43 : Auteur(s): Nicol, S.
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Report of the CCAMLR Circumpolar Gap Analysis Marine Protected Areas (MPAs) Technical Workshop (Brussels, Belgium, 10 to 14 September 2012)
the aggregation of available data and the development of conservation objectives for the individual ... domains, which can be included in future systematic conservation planning processes. A total of 23 ... scientists participated in the workshop (locally and by teleconference). Author(s): Delegation of Belgium ... Title: Report of the CCAMLR Circumpolar Gap Analysis Marine Protected Areas (MPAs) Technical Workshop ...
Meeting Document : SC-CAMLR-XXXI/BG/16 : Auteur(s): Delegation of Belgium
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Estimation of total removals (green weight)
krill fishery, the Working Group recognised importance of obtaining detailed information on the methods ... by which green weight is estimated. The Report of WG-EMM included an appendix that describes this ... progress the issue of green-weight estimation. Author(s): Co-conveners of the Working Group on Ecosystem ... Monitoring and Management Title: Estimation of total removals (green weight) Approval: Approved ...
Meeting Document : SC-CAMLR-XXXI/BG/15 : Auteur(s): Co-conveners of the Working Group on Ecosystem Monitoring and Management
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Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2015-2018
implementation of the previous research program took place in 2010-2012 fishing seasons and investigate resource ... potential and life cycle of Dissostichus species within the eastern part of the Ross Sea over shelf and ... continental slope within the Subarea 88.2 A. Author(s): Delegation of the Russian Federation Title: Research ... program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2015-2018 ...
Meeting Document : WG-SAM-15/21 : Auteur(s): Delegation of the Russian Federation
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Comments on the development of a Dissostichus mawsoni Population Hypothesis for Area 48. Proposals on the WS-SM-18 advice to the to the Scientific Committee and its Working Group
Abstract: Taking into account the results of the WS-DmPH workshop (Berlin, 2018), proposals are ... being considered to obtain actual adequate data for the development of a hypothesis on the Dissostichus ... mawsoni life history and to facilitate the assessment of its stock in Area 48. Author(s): Delegation of ... the Russian Federation Title: Comments on the development of a Dissostichus mawsoni Population ...
Meeting Document : WS-SM-18/09 : Auteur(s): Delegation of the Russian Federation
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Estimates of natural and fishing mortality from toothfish mark–recapture and catch-at-age data at South Georgia
bias, using simulated data. The results confirm earlier findings, with lower estimates of natural and ... mark-recapture models of this type. Given the increasing number of releases and recaptures in all the ... current tagging programs, we suggest that this type of modelling approach can serve as both a useful tool ... estimates of the exploitation rate predicted by the full assessment models, currently being implemented ...
Meeting Document : WG-FSA-06/54 : Auteur(s): R.M. Hillary and D.J. Agnew (United Kingdom)
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2006 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
Abstract: The ASPM assessment of the Prince Edward Islands toothfish resource by Brandão and ... updated to take account of further catch, GLM standardised CPUE and catch-at-length information that has ... % of its average pre-exploitation level in terms of spawning biomass. It is suggested that it would be ... prudent to restrict annual legal catches to 500 tonnes or less, unless a large proportion of the catch is ...
Meeting Document : WG-FSA-06/58 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)
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Results of the scientific research survey in CCAMLR Subarea 88.3 in the 2004/05 season
are presented. While ice conditions prevented the successful completion of the full research plan as ... , icthyoplankton sampling, toothfish tagging and biological sampling of toothfish and other species completed. Pre ... -recruit D. mawsoni were caught at much greater depths than occurs in the other Subareas of Area 88. This ... surprising lack of biodiversity in the De Gerlache Seamount study area. While the results of this research ...
Meeting Document : WG-FSA-05/53 : Auteur(s): G. Patchell (New Zealand)
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Estimating penguin populations using image analysis of colour aerial photography
Abstract: Penguin populations are potentially sensitive indicators of change in the Antarctic and ... colonies, for colonies in areas of complex terrain, or for colonies where ground access is difficult ... of a computer based image analysis of digitally scanned colour aerial photographs of macaroni penguin ... : Estimating penguin populations using image analysis of colour aerial photography Approval: Approved ...
Meeting Document : WG-EMM-02/34 Text : Auteur(s): P.N. Trathan (United Kingdom)
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Age-at-length of Patagonian toothfish from South Georgia
Abstract: To provide an age-length key for use in modelling the age structure of the Patagonian ... toothfish stock around South Georgia, we used otoliths to estimate the age of a sample of 264 Patagonian ... reader undertook three readings of the sections, estimating age using criteria corresponding to those ... fisheries survey in 2000, estimates of the Von Bertalanffy parameters were L8 = 123.8, K = 0.10 and t0 =-2.1 ...
Meeting Document : WG-FSA-02/75 : Auteur(s): J. Ashford, M. Belchier, C. Jones and S. Bobko