Résultats de la recherche
-
Analysis of gear loss by fishing vessels in the CCAMLR Convention Area as contribution to the marine debris program
Abstract: CCAMLR has monitored marine debris in the Convention Area since the establishment of ... vessels be included in annual updates on marine debris. Rates of hook loss in longline fisheries revealed ... there was a higher proportion of gear loss in areas where interactions with sea-ice are more likely. To ... improve collection of data on gear loss it is recommended that the C1 data form be modified to include ...
Meeting Document : WG-FSA-18/17 : Auteur(s): CCAMLR Secretariat
-
Revision of the CCAMLR Scientific Observers Manual
replacement of protocol for fish-larvae by-catch observation, review of priorities for scientific observation ... of krill fishery, and other minor revisions on the e-forms. This document also contains examples of ... comment. Author(s): S. Kawaguchi (Australia) and E. Appleyard (CCAMLR Secretariat) Title: Revision of ...
Meeting Document : WG-FSA-07/54 : Auteur(s): S. Kawaguchi (Australia) and E. Appleyard (CCAMLR Secretariat)
-
Identification of squid echoes in the south Atlantic
Abstract: During a research cruise of the British Antarctic Survey ship RRS James Clark Ross in ... February 1996, a substantial number of the ommastrephid squid, Martialia hyadesi, were caught in a pelagic ... gathered during this haul and a survey of the immediate vicinity, in order to characterise an acoustic ... signature that may be used to identify this species of squid. Author(s): Rodhouse, P., Goss, C., Brierley ...
Meeting Document : WG-EMM-97/26 : Auteur(s): Rodhouse, P., Goss, C., Brierley, A., Watkins, J.
-
A new method for the measurement of Antarctic krill Euphausia superba Dana from predator food samples
Abstract: Regression functions of total length on carapace length and total length on removed ... carapace length were calculated for Antarctic krill Euphausia superba Dana for those classes of sex and ... maturity stage which can be discriminated in predator food samples. The use of removed carapace length as a ... predictor of total length is highly recommended for animals where total length measurement would be ...
Meeting Document : WG-CEMP-90/40 : Auteur(s): H.J. Hill (United Kingdom)
-
Оn seasonal and interannual dynamics of ice conditions in the Weddell Sea and its relation to the WSMPA planning
Abstract: The proposed boundaries of the Weddell Sea MPA (WSMPA) include the significant area of ... conditions for vessel navigation being a fundamental factor for the successful completion of assigned ... research tasks in designated areas. Author(s): Delegation of the Russian Federation Title: Оn seasonal ... and interannual dynamics of ice conditions in the Weddell Sea and its relation to the WSMPA planning ...
Meeting Document : WS-DmPH-18/02 : Auteur(s): Delegation of the Russian Federation
-
Information report on the age determination methods of toothfish Dissostichus spp.
Abstract: The document presents the experience of the age determination of toothfish of the genus ... Dissostichus by recording structures (otoliths). Sampling processing is carried out on the basis of annual data ... determination methods of toothfish Dissostichus spp. Approval: Approved Secretariat Workflow Status: Content ...
Meeting Document : WG-SAM-18/29 : Auteur(s): I.V. Slypko and P.M. Zabroda
-
Further investigations in the assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13
Abstract: This paper presents further investigations of the Bayesian sex and age structured ... population stock assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 covering SSRUs ... the tag-derived biomass index were investigated. The impact of hypothesised stock structure, fish ... year once it has been updated with the 2014 fishery data. That ways to obtain a better estimate of the ...
Meeting Document : WG-SAM-14/29 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
-
A critical issue for feedback management – how do we determine the level of functional overlap between krill fishing operations and penguin foraging activity?
Abstract: The spatial distribution of the Antarctic krill fishery in Subareas 48.1 to 48.3 has ... changed over time. The majority of catches in Subarea 48.1 are now taken south of the South Shetland ... Islands, following regional decreases in seasonal sea-ice cover. As the cumulative spatial footprint of ... the fishery has expanded along the West Antarctic Peninsula, the cumulative numbers of krill-eating ...
Meeting Document : WG-EMM-15/11 : Auteur(s): P.N. Trathan, J.R.D. Silk, S.L. Hill (United Kingdom) and H.J. Lynch (USA)
-
Size selectivity of the RMT8 plankton net and a commercial trawl for Antarctic krill
Abstract: Net selection of the scientific RMT8 plankton net and a commercial sized pelagic trawl ... underrepresented in the RMT8. For the commercial trawl with a liner mesh size of 12mm the length classes smaller 35 ... and 45 mm are undersampled, probably depending on the size composition of the catch. A preliminary ... study on krill damaged during trawling operations indicates an effect of trawling duration and total ...
Meeting Document : WG-EMM-07/28 : Auteur(s): V. Siegel (Germany)
-
By-catch of juvenile fishes – the Antarctic krill fishery
Abstract: One of the non-solved problems in krill exploitation has been the by-catch of fish ... larvae that use (or co-occurred) the krill swarms as their habitat. The detection of this problem started ... quantitative evaluations that give evidences that this technological interaction, is affecting the recovery of ... ): Moreno, C.A. Title: By-catch of juvenile fishes – the Antarctic krill fishery Approval: Approved ...
Meeting Document : WG-FSA-96/18 : Auteur(s): Moreno, C.A.