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Indices of prey availability near the Seal Island CEMP site: 1990 to 1996
of Elephant Island, and between 25 and l00 m depth. Indices of average prey density agree with ... surveys each year were subsampled to include the foraging range of predators breeding at Seal Island ... relative biomass of juvenile krill near Seal Island during the first survey of each year as compared to the ... biomass of post-spawning adults near Seal Island during the second survey of each year. It is hoped that ... juvenile krill appear in the late spring and early summer and are later displaced by spawning adults ... (Figures 3 and 4). Two surveys were selected for each year, details of which are listed in Table 1. For ... for each year. Designation 3 and 4 D D D D D D Dates 6 - 11 Jan, 21 - 26 Jan 21 - 31 ... 25 and l00 m depth. Indices of average prey density agree with demographic indices of krill ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Autor(es): Hewitt, R.P., G. Watters and D.A. Demer
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Conservation Measure Conservation Measure 41-01 (2003)
for the remainder of the season. 3. In order to give effect to paragraph 2 above: (i) the ... mawsoni discarded, including those with the ‘jellymeat’ condition, shall be reported. 6. Each vessel ... scientific observer appointed in accordance with the CCAMLR Scheme of International Scientific Observation ... Assessment (WG-FSA) in 2004. Such data taken after 31 August shall be reported to CCAMLR not later than ...
Conservation Measure : 41-01 (2003)
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CPUEs and body length of Antarctic krill during 1995/96 season in the fishing grounds around the South Shetland Islands
area in the previous fishing season. From January through early May, modal size of krill differed ... length frequency was observed, and showed only single component with modal size of 47-48mm. Author(s ...
Meeting Document : WG-EMM-97/36 : Autor(es): Naganobu, M., Kawaguchi, S., Ichii, T.
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Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2017/18
research blocks 882_1, 3 and 4 use CPUE by seabed area analogy and can also be calculated by CCAMLR ... these research blocks, especially blocks 1 and 4, where sea ice dynamics can prevent access early in the ... survival and tag detection by individual vessels) can be applied: 882H: 177 t based on a one-year Chapman ... maximum of 20% change in the catch limit from 200 t. Research block 882_2: 240 t based on a one-year ...
Meeting Document : WG-FSA-18/36 : Autor(es): S. Mormede and S. Parker
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An initial examination of using CPUE as a fishery performance index for the krill fishery
Abstract: Early analyses of CPUE in the krill fishery concluded that it was not a useful index of ... annual FPI for each of the three subareas showed no synchronous relationship with each other and showed ... differing relationship with the total catch in the same subarea. Comparison of the annual FPI with the krill ... difference between this overall mean and the mean for each year in which the vessel fished. An overall ...
Meeting Document : WG-EMM-16/10 : Autor(es): CCAMLR Secretariat
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DEVELOPMENT OF A METHODOLOGY FOR DATA QUALITY ASSESSMENT
biological sampling data from a fishing trip. In particular these measures aim to quantify the prevalence of ... assist in assessing which data from a trip should be used in an assessment, and can also guide how these ...
Meeting Document : WG-SAM-08/13 : Autor(es): D.A.J. Middleton and A. Dunn (New Zealand)
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Factors affecting the growth rate and mass at weaning of Antarctic fur seal pups at Bird Island, South Georgia
between 1972 and 1991 and appeared to decline from 1984 through 1990. Methods used to collect and weigh ...
Meeting Document : WG-CEMP-93/09 : Autor(es): N.J. Lunn, I.L. Boyd, T. Barton and J.P. Croxall (United Kingdom)
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The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations
with the help of mathematical statistics and methods of calculus of probabilities. The biomass estimate ... of the survey with respect to the axis of the correlation ellipse and the frequency of transects ... concentration density field and on parameters of the survey itself, have been derived with the help of ... variation serve as field characteristics on which the error depends. The direction of the survey with ... ecological meaning, it is necessary to supply them with ,confidence intervals indicating the limits of ... possible errors with desired probability. Thus, it is important to find out on whioh parameters of survey ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Autor(es): Kizner, Z.I.
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AN ASSESSMENT OF ARTIFICIAL BAIT (NORBAIT™) AS A MEANS OF REDUCING THE INCIDENTAL CATCH OF MACROURUS AND OTHER BYCATCH SPECIES IN HIGH LATITUDE TOOTHFISH FISHERIES
Subareas 48.3 and 48.4) during early 2008. During the period 12 April and 14 May 2008 seventeen trial lines ... line with control mags baited with squid, the vessel’s preferred bait for toothfish and alternating ... Aotea II in the Ross Sea in early 2007. This was not the case in Subarea 48.3, the other area where ...
Meeting Document : WG-FSA-08/52 : Autor(es): J.M. Fenaughty (New Zealand)
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e-sc-ix-a4.pdf
... Subarea 48.3, as detailed in paragraph 3 above. In dealing with the question of approaches to management ... REPORT OF THE SECOND MEETING OF THE WORKRING GROUP ON KRILL (Leningrad, USSR, 27 August to 3 September ... 3 September 1990) INTRODUCTION The Second Meeting of the Working Group on Krill (WG-Krill) was ... held at the Fishery Exhibition Building in Leningrad, USSR from 27 August to 3 September 1990. The
application/pdf attached to:WG-KRILL-90Meeting Report : WG-KRILL-90