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1. Fishing patterns of Japanese krill trawlers

   strategies, especially focusing on their movement in time and space. The operations were grouped into ... , 30nm, and 60nm). Distribution of the operation units showed considerable variation in space and time ... with the plots of aggregated catch, suggesting these two kinds of CPUEs may not be good indices for ... expressing the status of krill in the fishing ground. Catch per fishing days maybe the reasonable index for ...

   Meeting Document : WG-EMM-02/28 Rev. 1 : Author(s): S. Kawaguchi, T. Kameda and Y. Takeuchi (Japan)

2. Consideration of major issues in ecosystem monitoring and management

   Abstract:  The requirements of an ecosystem approach to management of Southern Ocean resources are ... outlined. This highlights the need for information on harvested and dependent species their interaction and ... the manner in which their populations vary naturally. Large scale interactions are catered for the ... Krill Yield Model. Smaller scale interactions centre around three main categories, the availability of ...

   Meeting Document : WG-EMM-01/73 : Author(s): I. Everson (United Kingdom)

3. Measurements of fish school velocities with an acoustic Doppler current profiler

   ), it was required that the four ADCP beams simultaneously insonified a fish school, in the same depth ... estimates and ensemble averaged to determine the average speeds and directions of fish aggregations. The ... results suggests that the ADCP can be a useful tool for observing fish behavior in certain situations ... . Some applications may include the quantification of horizontal and vertical migration patterns of large ...

   Meeting Document : WG-EMM-96/41 : Author(s): Demer, D.A.

4. Reduced bait loss and bycatch of seabirds in longlining by using a seabird scarer

   , bycatch of seabirds on longlines is a problem in certain seasons and areas. Birds feeding on the bait ... during setting of the gear might cause considerable bait loss and occasional hooking of birds might ... eventually give high mortalities considering the large amounts of hooks used. Both from a fishery and bird ... a seabird scarer in the Norwegian longline fishery. The scarer, a line with streamers trailing ...

   Meeting Document : WG-IMALF-94/09 : Author(s): S. Løkkeborg and Å. Bjordal (Norway)

5. IMPLEMENTATION OF CCAMLR OBSERVER PROGRAM ON KRILL FISHERIES

   Abstract:  The aim of this document is to serve as an objective guideline to decide on an ... appropriate observer coverage to understand overall behaviour and impact of the fishery. CCAMLR Observer data ... , together with haul-by-haul fine-scale data were used to identify the target SSMUs and the critical periods ... as baseline to evaluate the level of observer coverage needed to achieve the CCAMLR objectives. The ...

   Meeting Document : TASO-09/07 : Author(s): Kawaguchi, S.

6. Further analysis of target strength measurements of Antarctic krill at 38 and 120 kHz: comparison with deformed cylinder model and inference of orientation distribution

   Abstract:  Data collected during the krill target strength experiment [J. Acoust. Soc. Am. 87, 16 ... -24(1990)] are examined in the light of a recent zooplankton scattering model where the ... elongatedanimals are modeled as deformed finite cylinders [J. Acoust. Soc. Am. 86, 691-705 (1989)].Exercise of the ... be made at each frequency. By requiring that the differencebetween predicted and measured target ...

   Meeting Document : WG-KRILL-93/06 : Author(s): D. Chu (USA), K.G. Foote (Norway) and T. K. Stanton (USA)

7. Uncertainty in green weight estimates from Norwegian krill fishing vessels

   an issue raised repeatedly within CCAMLR for a number of years, resulting in a modification to the C1 ... form implemented for the fleet in 2012. There are at present three Norwegian vessels operating in the ... krill fishery for Euphausia superba in the Antarctic. These vessels have in recent years contributed to ... 50-60 % of the total krill harvest, and reliable uncertainty estimates from these vessels will ...

   Meeting Document : WG-EMM-13/41 : Author(s): G. Skaret and T. Knutsen (Norway)

8. Determining toothfish otolith structure using oxytetracycline at South Georgia – a preliminary report

   trawl surveys, experimental pot fishing and longline fishing. Some of the fish tagged on longliners in ... 2002 were injected with oxytetracycline (OTC) to mark the otoliths for age validation purposes. The ... otoliths of some of these chemically marked recaptures of the 2003 season were examined and the preliminary ... results are presented here. Two fish marked with strontium-chloride (SrCl2) during the 2002 trawl survey ...

   Meeting Document : WG-FSA-03/80 : Author(s): M.G. Purves, M. Belchier, D.J. Agnew, G. Moreno and T.R. Marlow (United Kingdom)

9. Feasibility of trawl surveys to estimate abundance of juvenile toothfish in Subarea 88.1

   Abstract:  This report presents results from a desktop study to determine the feasibility of ... , were considered using data from published and unpublished literature, the exploratory longline fishery ... and previous research cruises. The major limitation on a trawl survey in the Ross Sea is ice cover. On ... average over the last three years, 63% of the seabed area from 0–600 m depth was not fishable in January ...

   Meeting Document : WG-FSA-SAM-04/07 : Author(s): Wood, B.A., ODriscoll, R.L., Hanchet, S.M.

10. Invitation to participate in a workshop on krill fishery management for Subareas 48.1 and 48.2

    Management for Subareas 48.1 and 48.2. The overarching objective of this workshop will be to explore how ... management strategies for the krill fishery can be integrated and harmonized. Such strategies include, but ... are not limited to, feedback management and the use of research zones within the proposed D1MPA, and ... the Workshop will be coordinated the 2019 meeting of WG-EMM, and products of the Workshop will be ...

    Meeting Document : SC-CAMLR-XXXVII/24 : Author(s): G. Watters and P. Trathan

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