Результаты поиска

1. 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 : Автор(ы): D.C. Welsford, C. Péron, P.E. Ziegler and T.D. Lamb (Australia)

2. 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 : Автор(ы): D. Maschette, P. Burch, P. Yates and D. Welsford

3. 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 : Автор(ы): S. Hoyle, S. Parker, A. Dunn and S. Mormede

4. 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 : Автор(ы): X. Wang, X. Yu, X. Zhao, J. Zhang, G. Fan, J. Zhu and Y. Ying

5. Demography of Antarctic krill in the Lazarev Sea (Subarea 48.6) in the 2005/06 season

   were observed in the catches. Spatial distribution of krill density and size/age classes is discussed ... (R2), showing high values for both recruitment indices. New information is given on the development of ... maturity stages in the early phase of the spawning season. Author(s):  V. Siegel (Germany) Title ... :  Demography of Antarctic krill in the Lazarev Sea (Subarea 48.6) in the 2005/06 season Approval:  Approved ...

   Meeting Document : WG-EMM-06/10 : Автор(ы): V. Siegel (Germany)

6. On peculiarities of icefish (Champsocephalus gunnari) vertical distribution in different habitats

   Abstract:  The significant similarity of Kerguelen and South Georgia icefish Ch.gunnari ... populations ecology has been revealed. Fish of all lengths and ages are planktonphages. Fish of the first two ... (Russia) and V.V. Herasimchuk (Ukraine) Title:  On peculiarities of icefish (Champsocephalus gunnari ...

   Meeting Document : WG-FSA-03/54 : Автор(ы): J.A. Frolkina (Russia) and V.V. Herasimchuk (Ukraine)

7. A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ

   Abstract:  The history of the fishery for Patagonian toothfish in the Prince Edward Islands EEZ is ... trend. Application of a simple age-structured production model provides robust indication that the ... spawning biomass has been depleted to at most a few percent only of its pre-exploitation level. Projections ... ) Title:  A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource ...

   Meeting Document : WG-FSA-01/54 : Автор(ы): A. Brandão, B.P. Watkins, D.S. Butterworth and D.G.M. Miller (South Africa)

8. Development of a generic operating model framework for data collection, assessment method and management strategy evaluations

   framework will have a number of modules representing the fish population dynamics, harvest by fishing fleets ... with different gear types or metiers, sampling of data, stock assessment, and implementation of fishery ... management decisions.   Author(s):  P. Ziegler (Australia) Title:  Development of a generic operating model ...

   Meeting Document : WG-FSA-11/20 : Автор(ы): P. Ziegler (Australia)

9. Development of a generic operating model framework for data collection, assessment method and management strategy evaluations

   framework will have a number of modules representing the fish population dynamics, harvest by fishing fleets ... with different gear types or metiers, sampling of data, stock assessment, and implementation of fishery ... management decisions.   Author(s):  P.E. Ziegler (Australia) Title:  Development of a generic operating model ...

   Meeting Document : WG-SAM-11/13 : Автор(ы): P.E. Ziegler (Australia)

10. PRELIMINARY ASSESSMENT OF TOOTHFISH IN SUBAREA 48.3

    2006. Fits to the catch at age data are good, except for 2009 where large numbers of age 7 and age 9 ... lognormal recruitment suggest a long-term yield of 3900 t. Using a recent subset of estimated cohorts ... ASSESSMENT OF TOOTHFISH IN SUBAREA 48.3 Approval:  Approved ...

    Meeting Document : WG-FSA-09/28 Rev. 1 : Автор(ы): D.J. Agnew and T. Peatman (United Kingdom)

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