Résultats de la recherche

1. A new method to produce high resolution maps of effort and catches in longline fisheries

   Abstract:  Fishing vessels using ~10 km long bottom longline operate in the French EEZ of ... a new method to better take into account the information associated to the path of the line instead ... of only the mid-point as commonly used to calculate catch rates. Author(s):  N. Gasco, C. Péron, C ... . Chazeau, A. Martin, P. Pruvost and G. Duhamel Title:  A new method to produce high resolution maps of ...

   Meeting Document : WG-FSA-18/43 : Auteur(s): N. Gasco, C. Péron, C. Chazeau, A. Martin, P. Pruvost and G. Duhamel

2. Observation and comments on the scientific basis and draft RMP of the WSMPA Proposal

   Abstract:  The scientific background in support of the Weddell Sea Marine Protected Area (WSMPA ... provided serious and constructive suggestions on the issue. Author(s):  Delegation of the People’s Republic ... of China Title:  Observation and comments on the scientific basis and draft RMP of the WSMPA Proposal ...

   Meeting Document : SC-CAMLR-38/BG/15 : Auteur(s): Delegation of the People’s Republic of China

3. Catches of target species in the Convention Area

   Abstract:  This paper presents catches of target species from directed fishing on toothfish ... September 2019, are presented with dates of closures of fisheries implemented by the Secretariat. Author(s ... ):  CCAMLR Secretariat Title:  Catches of target species in the Convention Area Microsoft Word File:  sc-38 ...

   Meeting Document : SC-CAMLR-38/BG/01 Rev. 1 : Auteur(s): CCAMLR Secretariat

4. Demography of Antarctic krill in the Lazarev Sea (Subarea 48.6) and the Elephant Island area (Subarea 48.1) in 2004

   after taking substantial day/night differences in the catches into account. Recruitment indices of one ... and high, but different values for R2. Spatial distribution of krill density and size/age classes is ... discussed for the Lazarev Sea. Information are given on the development of maturity stages and “re ... -juvenation processes” after the spawning season. Distribution and density of krill calyptopis and furcilia ...

   Meeting Document : WG-EMM-04/23 : Auteur(s): V. Siegel (Germany), V. Loeb (USA), B. Bergström (Sweden), S. Schöling (Germany), M. Haraldsson (Sweden), J. Kitchener (Australia), M. Vortkamp (Germany)

5. Echo integration in low signal to noise regimes: methods of noise estimation and removal

   Abstract:  The results of acoustic surveys, especially in low signal-to-noise regimes, are ... sensitive to the method used to exclude the contribution of background noise from the acoustic data. The use ... of thresholds to reject weak signals during data collection is inappropriate because the noise ... kHz with a Simrad EK500 are presented to demonstrate the highly variable nature of background noise. A ...

   Meeting Document : WG-EMM-97/74 : Auteur(s): Higginbottom, I., Pauly, T.

6. Development of the Patagonian toothfish (Dissostichus eleginoides) tagging program in Division 58.5.2, 1997–2014

   ;  movement rates;  growth;  stock structure; and  estimation of q of the trawl surveys; However, due to the ... spatial pattern of releases, toothfish movement, and recapture effort, it is unlikely that these data can ... recapture effort, are likely to rapidly improve the utility of this data for future assessments.   Author(s ... ):  D.C. Welsford, C. Péron, P.E. Ziegler and T.D. Lamb (Australia) Title:  Development of the Patagonian ...

   Meeting Document : WG-FSA-14/43 : Auteur(s): D.C. Welsford, C. Péron, P.E. Ziegler and T.D. Lamb (Australia)

7. A preliminary assessment and revised growth model of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2017 random stratified trawl survey

   vicinity of Heard Island and the McDonald Islands during April 2017. This paper provides an updated growth ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... estimates of Welsford (2010), however Generalized Yield Model projections indicated that the updated growth ... parameters resulted in only a small impact on yield.  Catches of 526 t in the 2017/18 season and 395 t in the ...

   Meeting Document : WG-FSA-17/22 : Auteur(s): D. Maschette, P. Burch, P. Yates and D. Welsford

8. Simulating performance of trend analysis for setting catch limits in exploratory toothfish research plans

   qualitative analysis of trends in biomass estimated in each research block and a series of simple decision ... developed and tested as a matter of priority for WG-SAM-18. We formalised and codified the rules and ... developed a simulation approach to examine the performance of the trend analysis rules for scenarios with ... and S. Mormede Title:  Simulating performance of trend analysis for setting catch limits in ...

   Meeting Document : WG-SAM-18/23 : Auteur(s): S. Hoyle, S. Parker, A. Dunn and S. Mormede

9. Biomass estimates of Antarctic krill based on survey conducted by the Chinese fishing vessel FV Fu Rong Hai during the 2019 Area 48 survey

   survey of Area 48 (2019 Area 48 survey), the Chinese krill fishing vessel F/V Fu Rong Hai conducted the ... 10 th February 2019. Implementation and preliminary results on the estimates of krill biomass density ... shown that mean krill biomass density was 80.7 g m-2 with a CV of 13.6% in the survey area. However, the ... krill biomass estimates might be updated pending on the outcome of krill length clustering analysis and ...

   Meeting Document : SG-ASAM-2019/07 : Auteur(s): X. Wang, X. Yu, X. Zhao, J. Zhang, G. Fan, J. Zhu and Y. Ying

10. Bibliography of Antarctic fish

    Author(s):  Delegation of Federal Republic of Germany Title:  Bibliography of Antarctic fish ...

    Meeting Document : SC-CAMLR-VIII/BG/45 : Auteur(s): Delegation of Federal Republic of Germany

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