Résultats de la recherche

1. DEVELOPMENT OF SPATIALLY EXPLICIT AGE-STRUCTURED POPULATION DYNAMICS OPERATING MODELS FOR ANTARCTIC TOOTHFISH IN THE ROSS SEA

   other factors to quantify risk and uncertainties for management of the Ross Sea Antarctic toothfish ... program allows implementation of an aggregate movement model for use with large numbers of areas as a ... mortality), as well as movement processes defined as the product of a set of preference functions that are ... based on known attributes of spatial location. The operating models considered were single sex age ...

   Meeting Document : WG-SAM-09/18 : Auteur(s): A. Dunn, S. Rasmussen and S. Hanchet (New Zealand)

2. Dynamics of Antarctic krill in the Bransfield Strait during austral summer and autumn investigated using acoustic data from a fishing vessel

   geographical areas of predictable high krill densities, and knowledge about trends and variability in krill ... fishing vessels might help provide such insight. In the present work, the dynamics of krill with regards ... integration assuming they constituted the bulk of krill biomass. Our results indicated a major shift in mid ... -April which included increased biomass, increased vertical distribution of swarms, a shift in diel ...

   Meeting Document : WG-EMM-17/40 : Auteur(s): X. Wang, G. Skaret, O.R. Godø and X. Zhao

3. EU PROPOSAL FOR AMENDMENT TO CCAMLR CONSERVATION MEASURE 10-07 TO ALLOW FOR INTERSESSIONAL DE-LISTING OF IUU VESSELS

   FOR INTERSESSIONAL DE-LISTING OF IUU VESSELS Explanatory Memorandum Over the course of last years ... , CCAMLR adopted Conservation Measures 10-06 and 10-07 which provide for the identification of individual ... dynamic nature of IUU fishing activities, the lists can rapidly become obsolete. As a result, it was one ... of the recommendations of the Performance Review Panel that "CCAMLR should review the process ...

   Meeting Document : CCAMLR-XXIX/43 : Auteur(s): Delegation of the European Union

4. Deployment of research hauls in the exploratory fisheries for Dissostichus spp. in Subareas 48.6 and 58.4 in 2010/11

   advice of the Scientific Committee, and using information held by the CCAMLR Data Centre. Vessels were ... provided with three random lots of starting positions for research hauls in each SSRU. These random lots ... vessel’s arrival at the SSRU. As of the end of June 2011, five vessels (Hong Jin No. 701, Insung No.7 ... in 2010/11. The vessels completed a total of 124 research hauls and, in all instances where ...

   Meeting Document : WG-SAM-11/04 : Auteur(s): Secretariat

5. EU PROPOSAL FOR AMENDMENT TO CCAMLR CONSERVATION MEASURE 10-06 TO ALLOW FOR INTERSESSIONAL DE-LISTING OF IUU VESSELS

   FOR INTERSESSIONAL DE-LISTING OF IUU VESSELS Explanatory Memorandum Over the course of last years ... , CCAMLR adopted Conservation Measures 10-06 and 10-07 which provide for the identification of individual ... dynamic nature of IUU fishing activities, the lists can rapidly become obsolete. As a result, it was one ... of the recommendations of the Performance Review Panel that "CCAMLR should review the process ...

   Meeting Document : CCAMLR-XXIX/42 : Auteur(s): Delegation of the European Union

6. Report on a random stratified trawl survey to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari conducted in the Heard Island region (Division 58.5.2), May–June 2007

   stations chosen for sampling in each stratum. This paper describes the conduct of the survey on the FV ... Abstract:  Since the commencement of commercial fishing in Australian waters on the Heard Island ... plateau in 1997 an annual random stratified trawl survey (RSTS) has been conducted to assess the stocks of ... survey had two main aims: • to assess the abundance of juvenile and adult Dissostichus eleginoides on the ...

   Meeting Document : WG-FSA-07/46 : Auteur(s): G.B. Nowara and T. Lamb (Australia)

7. Distribution and diet of juvenile Patagonian toothfish on the South Georgia and Shag Rocks shelves (Southern Ocean)

   Abstract:  The distribution and diet of juvenile (<750 mm) Patagonian toothfish are described ... from 4 annual trawl surveys (2003-06) around the island of South Georgia in the Atlantic sector of the ... Southern Ocean. Recruitment of toothfish varies inter-annually, and a single large cohort dominated during ... the four years surveyed. Most juveniles were caught on the Shag Rocks shelf to the NW of South Georgia ...

   Meeting Document : WG-FSA-07/P4 : Auteur(s): M.A. Collins, K.A. Ross, M. Belchier, K. Reid. (Mar. Biol., 152: 135–147 (2007)).

8. Histopathology of Antarctic krill (Euphausia superba) bearing black spots

   onboard a krill fishing vessel in the winter of 2003 and 2006 in the South Georgia region, the Antarctic ... Ocean, approximately 2-5% of sub-samples of 100 krill bore small black spots. The black spots were most ... often found on the cephalothorax of the body. Three bacteria were isolated from these black spots, and ... classified into either Psychrobacter or Pseudoalteromonas by the sequences of 16S rRNA genes. Histological ...

   Meeting Document : WG-EMM-07/29 : Auteur(s): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu (Japan)

9. Modelling growth of Antarctic krill: a new approach to describing the growth trajectory

   from population-level data consisting of modal lengths obtained from a time sequence of length ... frequency samples. We develop an alternative approach to predicting the trajectory of length over time using ... a step-growth function that combines models of instantaneous growth rate (IGR) at moult calibrated ... from direct measurements of individual pre- and post-moult krill sampled from the wild with a model of ...

   Meeting Document : WG-EMM-05/27 : Auteur(s): S. Candy and S. Kawaguchi (Australia)

10. Modelling the predator–prey interactions of krill, baleen whales and seals in the Antarctic ecosystem

    Abstract:  The history of human harvests of seals, whales, fish and krill in the Antarctic is ... summarized briefly, and the central role played by krill emphasized. The background to the hypothesis of a ... that has become available since the postulate was first advanced is discussed. The objective of the ... ) species. The model commences in 1780 (the onset of fur seal harvests) and distinguishes the Atlantic ...

    Meeting Document : WG-EMM-05/34 : Auteur(s): M. Mori and D.S. Butterworth (South Africa)

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