Résultats de la recherche
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Developing the risk assessment framework for the Antarctic krill fishery in Area 48
Abstract: Recognising that CM 51-07 is scheduled to lapse at the end of the 2020/2021 fishing ... season, we outline a plan of work to engage with the CCAMLR community to move towards refining the krill ... risk assessment framework. WG-EMM has previously offered advice about how the risk assessment might be ... improved for the future. We therefore indicate key areas for community engagement to help develop the next ...
Meeting Document : WS-SM-18/04 : Auteur(s): P. Trathan, V. Warwick-Evans, E. Young, S. Thorpe, E. Murphy, N. Kelly, S. Kawaguchi and D. Welsford
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A simulation approach to the evaluation of recruitment surveys for D. eleginoides for the Heard Island Plateau region (Division 58.5.2)
Abstract: Assessments of long-term sustainable yield using the Generalised Yield Model (GYM) and ... the setting of total allowable catches (TAC) for Patagonian Toothfish, Dissostichus eleginoides, for ... the Heard Island Plateau region (Division 58.5.2) are based on data obtained from annual random ... . Evaluation of both the current RSTS design for Division 58.5.2 and some options for future modifications of ...
Meeting Document : WG-FSA-04/74 : Auteur(s): S.G. Candy, C.R. Davies and A.J. Constable (Australia)
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Data from recent trawl surveys in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), reveal an unusual cohort structure in the mackerel icefish (Champsocephalus gunnari) population
in the vicinity of Heard Island during September 2010 and April 2011, to provide information on the ... the 2011/2012 CCAMLR season. This paper provides a preliminary assessment of yield for the area of ... Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. A predicted in 2010, the strong 4 ... + cohort that dominated the population declined rapidly in late 2010. Two new cohorts are present in the ...
Meeting Document : WG-FSA-11/22 : Auteur(s): D.C. Welsford (Australia)
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Note on maturity of krill in relation to interannual fluctuations of food environment in the seas around the South Shetland Islands
Abstract: Relationship between food environment and maturity of krill around the South Shetland ... fraction larger than 2um was high, feeding activity of krill was also high in the natural environment. 5 ... high when the feeding activity of the krill was high through out the season. Therefore, interannual ... fluctuations of maturity populations are governed by the food environment, the phytoplankton stock in the size ...
Meeting Document : WG-KRILL-93/27 : Auteur(s): M. Naganobu and S. Kawaguchi (Japan)
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The proposal of Availability Index to summarise the availability of harvested resources
Abstract: The solution of problems of conservation the Antarctic marina living resources and, at ... the same time, maintenance of their rational use, requires possession of up-to-date information that ... proposed a specific indicator – "Availability Index (AI)", which accumulates the all existing ... information on availability of the specific marina living resources for fishery. The availability index can be ...
Meeting Document : WG-EMM-16/57 : Auteur(s): K. Demianenko and G. Milinevskyi
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Spatio-temporal dynamics of the Antarctic krill fishery within fishing hotspots in the Bransfield Strait and South Shetland Islands
Abstract: The present document is an update of document EMM-16/52, presenting refine analysis of ... the krill fishing hotspots and a description of the daily CPUE pattern for the krill fishery. This ... hotspots (FHs), where the fleet took 48 to 57% of the seasonal catch, and are relatively persistent ... seasonality (2-6 months) with high catch densities (2.2-30.3 ton∙km-2). Within these FHs, we observed that the ...
Meeting Document : WG-EMM-18/P11 : Auteur(s): F. Santa Cruz, B. Ernst, J.A. Arata and C. Parada
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CEAMARC, the Collaborative East Antarctic Marine Census for the Census of Antarctic Marine Life (IPY # 53): An overview
Abstract: The Census for Antarctic Marine Life (CAML, IPY Project 53) aimed to investigate the ... was a major ship-based research programme in the austral summer of 2007e2008 involving scientists from ... 30 countries and 19 vessels. The Collaborative East Antarctic Marine Census (CEAMARC) was a ... Australia, Japan and France surveying the one area. This collaboration was a highly coordinated and ...
Meeting Document : WS-MPA-11/P01 : Auteur(s): G. Hosie, P. Koubbi, M. Riddle, C. Ozouf-Costaz, M. Moteki, M. Fukuchi, N. Ameziane, T. Ishimaru, A. Goffart
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Results of the scientific research survey in CCAMLR Subarea 88.3 in the 2004/05 season
Abstract: Results from the New Zealand research survey in CCAMLR Subarea 88.3 in February 2005 ... are presented. While ice conditions prevented the successful completion of the full research plan as ... -recruit D. mawsoni were caught at much greater depths than occurs in the other Subareas of Area 88. This ... result has significant implications for future trawl surveys in this area. The catch rate obtained on one ...
Meeting Document : WG-FSA-05/53 : Auteur(s): G. Patchell (New Zealand)
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A toolbox of Marine Protected Area management techniques for the area covered by the Antarctic Treaty and by CCAMLR
management techniques, including case studies from the Antarctic and elsewhere, was undertaken in 2010 and ... highlighted the variety of possible ways to help achieve the objectives of MPAs. The main tools which are ... relevant to managing MPAs in the area covered by the Antarctic Treaty and by CCAMLR are described in this ... are novel and are unique to the marine environment. The tools are presented as a range of approaches ...
Meeting Document : WS-MPA-11/21 : Auteur(s): WWF and UK Foreign and Commonwealth Office
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A preliminary examination of the length–weight relationship in Dissostichus eleginoides and D. mawsoni using data from the CCAMLR Scheme of Scientific Observation
Abstract: An investigation into use the length-weight relationship of Dissostichus eleginoides ... and D. mawsoni to separate the two species was undertaken using data from the CCAMLR Scheme of ... Scientific Observation. Although the ability to discriminate the two species using length and weight ... measurement was inconclusive the process provided an opportunity to examine the variation in biometrics of ...
Meeting Document : WG-FSA-11/21 : Auteur(s): Secretariat