Résultats de la recherche

1. Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of relative mortality and tag-detection rates

   can derive meaningful indices of relative performance of groups of fishing effort (e.g. vessel, trip ... CCAMLR of a number of toothfish fisheries in Antarctica, but the evaluation of tagging performance has ... been thus far inconclusive because the confounding effect of factors such as time and location of ... tagging, and size of fish tagged, makes meaningful comparisons between vessels difficult. We propose that ...

   Meeting Document : WG-FSA-12/47 Rev. 1 : Auteur(s): S. Mormede and A. Dunn (New Zealand)

2. Environmental variability and the behavioural dynamics of Antarctic fur seals in the South Atlantic

   gazella) over 15 years at the island of South Georgia in relation to major indices of southern hemisphere ... climate variation. Fur seal foraging trip duration was transformed into a normally distributed index of ... Abstract:  Variability in the reproductive performance of marine predators may be a result of ... physical forcing by large-scale oceanographic variability. Time lags, remoteness from the epicentre of a ...

   Meeting Document : WS-AREA 48-98/16 : Auteur(s): I.L. Boyd (UK)

3. Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18

   of the ship between extraction zones during each fishing trip are described Author(s):  P.M. Arana ... Abstract:  This paper provides a summarized description and analysis of the activities carried out ... by the Chilean krill fishing ship Antarctic Endeavour throughout its first year of operation (2017 ... the production of krill meal. Effort, catch and CPUE, and the length frequency distributions of ...

   Meeting Document : WG-EMM-2019/09 : Auteur(s): P.M. Arana and R. Rolleri

4. A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3

   ’ and ‘unseen’ IUU fishing by using a simulation model to arrive at statistically rigorous estimates of ... Paper Title:  A statistical method for estimating the level of IUU fishing: application to CCAMLR ... , unregulated and unreported (IUU) catches of fish and by-catch of birds. It utilises high quality, well ... -documented fisheries protection vessel (FPV) cruise data. The method takes explicit account of both ‘seen ... simulation model to arrive at statistically rigorous estimates of, and confi dence intervals for, fi sh and ... estimates of ranges, and does not include any indication of the variance of those estimates. However, at ... the fi rst one (modelled using the encounter prob- ability acting at the time of the downward-pointing ... arrow) but correctly located by the third FPV cruise (at the second downward-pointing arrow). Each of ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Auteur(s): Agnew, D.J. and G.P. Kirkwood

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

   vessel’s arrival at the SSRU. As of the end of June 2011, five vessels (Hong Jin No. 701, Insung No.7 ... apart, and use between 3500 and 5000 hooks per research haul and allow soak times of at least six hours ... 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 ...

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

6. Information on levels of seabird by-catch in fisheries adjacent to the CAMLR Convention Area

   Abstract:  The purpose of this paper is to respond to a request made at the XXXII CCAMLR meeting ... in 2013 for ACAP to provide information on the levels of seabird bycatch in fisheries adjacent to the ... CCAMLR Convention area. A summary of the most recent bycatch and related information held by ACAP is ... presented, and the current status of the process to develop a bycatch data reporting and assessment ...

   Meeting Document : CCAMLR-XXXIII/BG/15 Rev. 1 : Auteur(s): Submitted by ACAP

7. Proposal to standardise the submission of meeting documents to working groups

   Abstract:  At the request of the Scientific Committee, the Secretariat has prepared a single ... reference document which provides guidelines for the submission of meeting documents to the Scientific ... relation to the submission of meeting documents would simplify and unite the guidelines which participants ... proposal to standardise the specific differences which related to the submission of documents to its ...

   Meeting Document : WG-FSA-05/15 : Auteur(s): Secretariat

8. Changes to seabird avoidance regulations in Alaska demersal longline fisheries based on scientific research on effectiveness of mitigation measures

   request to the Council to strengthen the seabird avoidance measures, and 2) the availability of research ... longline fisheries off Alaska. One of the main recommendations is for the required use of paired streamer ... Washington Sea Grant Program (WSGP) on the effectiveness of seabird avoidance measures in the longline ... fisheries off Alaska. For complete details of the research, results, and recommendations, see the WSGP final ...

   Meeting Document : WG-FSA-02/53 : Auteur(s): K.S. Rivera (USA)

9. Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias

   presented for the collection and development of data to adjust counts of Adélie penguins made at any time in ... illustrated using data collected at the Béchervaise Island CEMP site in 2007/08. Estimates of the breeding ... Paper Title:  Improving estimates of Adélie penguin breeding population size: developing factors ... the breeding season to an estimate of the breeding population. The development of ‘availability ... at any time in the breeding season to an estimate of the breeding population. The development of ... method is illustrated using data collected at the Béchervaise Island CEMP site in 2007/08. Estimates of ... breeding season at which they are undertaken (Croxall and Kirkwood, 1979). Because of the population ... dynamics of birds present at any given breeding site throughout a breeding season, optimal times may ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Auteur(s): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery

10. Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)

    and there have been no reported recaptures of these fish tagged at South Georgia or elsewhere in the ... Paper Title:  Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag ... (Dissostichus eleginoides) tagging program to investigate the spatial and temporal movement of fish and to ... date of injection and release. To date, 51 fish have been recaptured, mostly around Shag Rocks where ... the longline fi shery and there have been no reported recaptures of these fi sh tagged at South ... : • investigate the spatial and temporal movement of Patagonian toothfi sh (Dissostichus ele ginoides) at South ... to pH 8) at a concentration of approximately 0.2 g/ml of Sr2+ using 5 ml syringes fi tted with 40 ... mm needles. Subcutaneous injections were made at a dosage of 0.5 ml/kg of body weight equating to ...

    Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Auteur(s): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson

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