Search results
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Developing research on Antarctic krill to facilitate the development and updating of feedback management procedures
given the demand for protein and the efficiencies now being developed in the fishery. CCAMLR is ... developing a feedback management procedure for these fisheries. Implementation of such a feedback management ... approach requires an appropriate level of understanding of (i) the structure, function and change of the ... types of data that can be realistically obtained and monitored on the productivity of the ecosystem and ...
Meeting Document : WG-EMM-13/12 : Author(s): E.J. Murphy, R.D. Cavanagh (United Kingdom), A. Constable (Australia), E.H. Hofmann (USA), S.L. Hill, N.M. Johnston, P.N. Trathan and J.L. Watkins (United Kingdom)
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Uncertainty in standard sphere calibrations
(tungsten carbide (WC)- 33.2 mm or copper (Cu)- 30.5 mm), could cause corresponding variations in the system ... gains of 0.3, 0.2 and 1.5 dB, respectively. Additionally, system gain values calibrated with the 30.5 mm ... mm, Cu- 23.0 and 30.5 mm) in an anechoic tank. A calibrated hydrophone was used to measure ... to their theoretical counterparts. The TS measurements of the 30.5 and 23.0 mm Cu spheres and of the 38.1 mm WC sphere ...
Meeting Document : WG-EMM-95/70 : Author(s): Demer, D.A., Hewitt, R.P.
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Proposal to continue the time series of CCAMLR-sponsored research surveys to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea in 2015
timing and methods will remain the same as in previous years, and the number of sets will be retained ... for the 2014/15 fishing year is requested for the survey. Author(s): S.M. Hanchet, S.J. Parker and S. Mormede ... and methods will remain the same as in previous years, and the number of sets will be retained at a total ... fishing year is requested for the survey. ...
Meeting Document : WG-SAM-14/25 : Author(s): S.M. Hanchet, S.J. Parker and S. Mormede (New Zealand)
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Growth rates of Antarctic fur seals as indices of environmental conditions
growth rates in years of low krill availability. Biases reflecting changes in the component ... mass at age in each year compared to the multi-year mean, that was not dependent on assumptions ... in years of low krill availability. Biases reflecting changes in the component of the population available ... population samples. A new index was developed, based on the deviation of pup mass at age in each year ...
Meeting Document : WG-EMM-01/20 : Author(s): K. Reid (United Kingdom)
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Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands
north of the islands, as usual. Tracks of drifting buoys (with curtain drogues at 30 m depth where krill ... is that one buoy traveled all the way to South Georgia and has been being trapped in a winter fishing ground ... , as usual. Tracks of drifting buoys (with curtain drogues at 30 m depth where krill frequently occur), have ... elucidated the occurrence of convergent complex eddies in these shelf waters. (Note is that one buoy traveled ...
Meeting Document : WG-KRILL-91/22 : Author(s): Delegation of Japan
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Brief report on scientific observation on the fishery vessel Simeiz (FAO Statistical Area 41, November 2006 to March 2007)
April, 2, 2007. Fisheries for Patagonian toothfish were carried out on two fishery grounds: “Scotia ... , 2, 2007. Fisheries for Patagonian toothfish were carried out on two fishery grounds: “Scotia” bank ...
Meeting Document : WG-FSA-07/11 : Author(s): A.K. Zaytsev (Ukraine)
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A revision of yield and catch controls for managing the mackerel icefish (Champsocephalus gunnari) fishery in the vicinity of Heard Island and McDonald Islands
in previous years, it is dominated by a strong age 2 year class. Estimates of yield for the Heard Island ... to the implementation of closed periods during the year to provide safeguards to predators as well as to ensure spawning ... of yield for the coming 2 seasons. While the biomass of icefish appears lower than in previous years ... , it is dominated by a strong age 2 year class. Estimates of yield for the Heard Island Plateau population using ...
Meeting Document : WG-FSA-00/41 : Author(s): A. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)
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REVISION OF THE CONSERVATION MEASURE 51-07 (2009) INTERIM DISTRIBUTION OF THE TRIGGER LEVEL IN KRILL FISHERY IN STATISTICAL SUBAREAS 48.1, 48.2, 48.3 AND 48.4
it is proposing to keep conditions of CM51-07 (2009) in force for two more fishing seasons. Author ... it is proposing to keep conditions of CM51-07 (2009) in force for two more fishing seasons. ...
Meeting Document : WG-EMM-11/27 : Author(s): L. Pshenichnov and G. Milinevsky (Ukraine)
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Using acoustic echo counting to estimate grenadier abundance in the Ross Sea (SSRU88.1I)
to that predicted based on the expected size range of grenadiers. Variability in spatial coverage between years ... in spatial coverage between years meant that it was not possible to obtain a consistent time-series ...
Meeting Document : WG-FSA-14/62 : Author(s): Y. Ladroit, R.L. O’Driscoll and S. Mormede (New Zealand)
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A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators
appropriate for the predators (and the fishery) fluctuates from one year to the next according to an age ... appropriate for the predators (and the fishery) fluctuates from one year to the next according to an age ...
Meeting Document : WG-EMM-96/20 : Author(s): Switzer, P.V., Mangel, M.