Search results

1. How many krill should we measure?

   on its body length distribution. Krill samples collected from layers in the northern waters of ... measurements of 2000 animals per sample, comparisons were made in mean body length and cumulative frequency ... distribution with less number of measurements. Measurements on 50 animals seem enough to obtain reliable ...

   Meeting Document : WG-KRILL-90/26 : Author(s): Y. Endo (Japan)

2. Fishery Reports archive

   This page provides an archive of previous Fishery Reports. The most current Fishery Reports are ... available separately. Fishery Reports present the status and management of the fisheries in the CAMLR ... detailed data from the fisheries and fishery surveys, and the CCAMLR Scheme of International Scientific ...

   Page : Site Section: Publications

3. Estimating seabird by-catch in CCAMLR longline fisheries

   Abstract:  After many years of close to zero incidental seabird mortality in the longline fishery ... 58.5.2. At the same time, concern has been expressed about the suitability of the method used to raise ... the observer data and to estimate total seabird mortality. Given the high profile of this issue in ...

   Meeting Document : WG-FSA-17/50 : Author(s): C. Darby and K. Olsson

4. Developing the risk assessment framework for the Antarctic krill fishery in Area 48

   Abstract:  Recognising that CM 51-07 is scheduled to lapse at the end of the 2020/2021 fishing ... season, we outline a plan of work to engage with the CCAMLR community to move towards refining the krill ... version of the risk assessment framework. Author(s):  P. Trathan, V. Warwick-Evans, E. Young, S. Thorpe, E ...

   Meeting Document : WS-SM-18/04 : Author(s): P. Trathan, V. Warwick-Evans, E. Young, S. Thorpe, E. Murphy, N. Kelly, S. Kawaguchi and D. Welsford

5. Report from the Workshop on Krill-fishery Management for Subareas 48.1 and 48.2

   Abstract:  The aim of the Workshop (see SC-CAMLR-XXXVII/24) was to explore how management ... limited to, feedback management and the use of research zones including those within the proposed D1MPA ... , N. Bransome, S. Davie, P.E. Skogrand, R. Werner, A. Kavanagh, C. Johnson and J. Arata (On behalf of ...

   Meeting Document : SC-CAMLR-38/BG/18 : Author(s): P.N. Trathan, G. Watters, N. Bransome, S. Davie, P.E. Skogrand, R. Werner, A. Kavanagh, C. Johnson and J. Arata (On behalf of the Workshop Organising Committee)

6. Exploring variability in the locations used by the krill fishery in Area 48 in relation to intra- and inter-annual variability in seasonal sea ice

   Abstract:  We present preliminary analyses of krill fishery catch data covering the period ... relocate by late June. Much of the effort relocates to Subarea 48.3, where the shelf and shelf-break ... location in Subarea 48.1 has shifted in recent years with most catch being taken south of the South ... north and west of the South Shetlands. We will continue to explore the relationship between catch ...

   Meeting Document : WG-EMM-14/11 : Author(s): J. Silk, S.L. Hill and P.N. Trathan (United Kingdom)

7. Age-structured production model for toothfish at South Georgia

   through the introduction of a new annual selectivity function, modelled as a unimodal, algebraically ... decaying function of age, with three easily interpretable parameters. When only a single selectivity curve ... reaches preset parameter boundaries. With one or two parameters of the selectivity estimated only once the ... the CPUE very closely. Convergence problems were noted for the highly parameterised versions of this ...

   Meeting Document : WG-FSA-SAM-05/18 : Author(s): A. Payne, G.P. Kirkwood, R. Hillary and D.J. Agnew (United Kingdom)

8. Phytoplankton standing stocks in relation to krill in Antarctic waters

   , consisting of 32 diatoms and one dinoflagellete. Chaetoceros and Nitzschia spp. dominated the phytoplankton ... proliferation of certain phytoplankton species to bloom condition. Zooplankton biomass showed wide fluctuation ... to 2400 kg, the percentage of kill occurrence varied from 0 to 100% at stations sampled. The ... phytoplankton and zooplankton in the region of krill swarm however showed active feeding by the latter on these ...

   Meeting Document : WG-EMM-98/34 : Author(s): X.N. Verlecar, R. Vijayakumar, F. Saldhana and L. Martins (India)

9. Fisher training exchanges in seabird mitigation

   operating in the New Zealand fishery, which had a proven record of seabird-friendly fishing techniques. The ... report documents the process and outcomes of the first exchange to occur, which was for the placement of ...

   Meeting Document : WG-FSA-05/47 : Author(s): S. Waugh (New Zealand)

10. An idea to incorporate potential recruitments in the krill density model

    involved uncertainties of age 1 krill. Present document improves the model by taking the uncertainties in ... accepted values of mortality M (0.8-1.0), the potential proportional recruitment should be larger than the ... in the model, dramatic variation of densities after 1994/95 season could not be clearly explained ...

    Meeting Document : WG-EMM-99/51 : Author(s): S. Kawaguchi and M. Naganobu (Japan)

Pages