Résultats de la recherche

1. A comparison of model predictions from KPFM1 and KPFM2

   Abstract:  We compare two versions of the krill-predator-fishery model to demonstrate the extent ... to which the predictions of KPFM1 can be reproduced with KPFM2. We also discuss the incorporation of ... seasonality into parameter estimates and a necessary change in the predator recruitment function of KPFM2 ... logic of KPFM2 have not caused substantial changes in model results. In essence, KPFM1 has become a ...

   Meeting Document : WG-EMM-06/20 : Auteur(s): J. Hinke, G. Watters (USA), S. Hill and K. Reid (United Kingdom)

2. 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 2006

   Abstract:  Random stratified trawl surveys (RSTSs) of the distribution and abundance of demersal ... in May-June 2006 had two main aims: • to assess the abundance and size structure of juvenile and ... adult Dissostichus eleginoides on the shallow and deep parts of the Heard Island Plateau.] • to assess ... the abundance and size structure of Champsocephalus gunnari on the Heard Island Plateau This paper ...

   Meeting Document : WG-FSA-06/42 Rev. 1 : Auteur(s): G.B. Nowara, R. Williams and T. Lamb (Australia)

3. Genetic analysis of Antarctic toothfish samples from the Southern Ocean to explore potential stock boundaries

   restriction enzyme digests of nine sub regions of the mitochondrial genome. Polymorphisms were found in four ... out of seven introns digested with the restriction enzymes, but there was no population ... differentiation among the three sea areas. While direct sequencing of cytochrome b (665 base pair) showed ... virtually no variation, sequences for ~600 bp of the left domain of the control region showed nucleotide ...

   Meeting Document : WG-FSA-04/32 : Auteur(s): P.J. Smith, S.M. McVeagh (New Zealand) and P.M. Gaffney (USA)

4. The Ross Sea toothfish fishery: proposal for conditional transition of classification from exploratory to established

   CCAMLR as an exploratory fishery since 1998.  The current classification of this fishery as ‘exploratory ... a rigorous assessment of the stock status and estimation of long-term precautionary yield has yet to ... be undertaken.  In fact, many biological characteristics of D. mawsoni are now well understood, and ... uncertainties with aspects of the stock, we propose that the stock is sufficiently well understood and assessed ...

   Meeting Document : WG-FSA-11/32 : Auteur(s): C. Jones (USA) and S. Hanchet (New Zealand)

5. Rossii revisited: new information on the early history of the fishery for Notothenia rossii in Subarea 48.3

   assessments, based on the incomplete data set, had indicated a 1970 biomass of 600 000 tonnes and an ... to be expected from a new fishery. However, on the basis of historical reports and analyses of stock ... histories, it is suggested that 50% of the catch of 400 000 tonnes reported from 1970 was Champsocephalus ... gunnari, rather than N. rossii, and that 25% of the catch in 1969 was also C. gunnari. A VPA run with ...

   Meeting Document : WG-FSA-95/17 : Auteur(s): Agnew, D.J.

6. The preparation of recommendations and standard procedures for krill acoustic surveys

   Abstract:  Acoustic surveys are the most powerful tool of krill abundance estimation and ... and analysis. In the paper possibilities and approaches to preparation of recommendations for acoustic ... surveys of different scales (macro, meso, micro) are reviewed. It’s concluded that the most items of the ... of the recommendations to be prepared by international group of specialists. Author(s):  W.D. Tesler ...

   Meeting Document : WG-KRILL-93/5 Rev. 1 : Auteur(s): W.D. Tesler (Russia)

7. The Status of the Champsocephalus gunnari Stock in the South Georgia Area

   the relationship between the spawning stock and number of recruits. A conventional VPA and an ad hoc ... . VPA-estimates of recruitment levels are used to investigate the degree of variability and the likely ... statistical distribution of recruitment. Data obtained during the UK/Polish survey around South Georgia in ... March 1989, were included in the study. Results indicate that the current biomass level of the C ...

   Meeting Document : WG-FSA-89/8 Rev. 1 : Auteur(s): M. Basson, J. Beddington (United Kingdom) and W. Ślósarczyk (Poland)

8. Distribution and size-age composition of Antarctic krill in the South Orkney Islands region (CCAMLR Subarea 48.2)

   Abstract:  This paper describes distribution and size-age composition of Antarctic krill ... /2009 and 2009/2010 seasons. All age cohorts of krill passed spawning during the season 2008/2009, while ... in anomalous cold 2009/2010 season significant proportion of krill of cohort 2+ skipped spawning ... . Individuals of Antarctic krill in age 1+ were absent in catches in both 2008/2009 and 2009/2010 seasons ...

   Meeting Document : WG-EMM-10/16 : Auteur(s): D.O. Sologub and A.V. Remeslo (Russia)

9. Mapping trends in activity of illegal, unreported and unregulated (IUU) fishing in the CAMLR Convention Area

   to provide an overview of the potential spatial and temporal distribution of recent IUU activity in ... is concentrated in the Indian Ocean Sector; however, the spatial and temporal pattern of IUU activity ... indicates the presence of IUU activity in Subarea 48.6 and more persistent activity in the Indian Ocean ... Sector on Ob, Lena, Elan and BANZARE banks as well as on the boundary of the Kerguelen and Heard Island ...

   Meeting Document : CCAMLR-XXXII/BG/09 Rev. 1 : Auteur(s): Secretariat

10. Preliminary assessment of the potential for proposed bottom fishing activities to have significant adverse impacts on vulnerable marine ecosystems

    Abstract:  Preliminary assessment of the potential for proposed bottom fishing activities to have ... significant adverse impacts on Vulnerable Marine Ecosystems(VMEs) submitted by Republic of Korea. Author(s ... ):  Delegation of the Republic of Korea Title:  Preliminary assessment of the potential for proposed bottom ... , Republic of ...

    Meeting Document : SC-CAMLR-XXXV/BG/34 : Auteur(s): Delegation of the Republic of Korea

Pages