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1. On the intensity of sampling krill trawl catches

   Paper Title:  On the intensity of sampling krill trawl catches Abstract / Description:  This paper ... uses actual krill length-frequency data in an attempt to address the problem of the determination ... of adequate sample size to obtain representative krill length-frequency distributions from commercial catches ... measurements of length from commercial krill;  catches should be made, as far as possible, by a single observer ... WG-KRILL-90/27 ON THE INTENSITY OF SAMPLING KRILL TRAWL ... to address the problem of the determination of adequate sample size to obtain representative krill length ... . Attention is drawn to the following: • all measurements of length from commercial krill catches should ... measurements made on commercial krill catches should be IIDlliPed into 2 mm size classes; • biological ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Author(s): Miller, D.G.M.

2. Surface water circulation in krill fishing areas near the South Shetland Islands

   Paper Title:  Surface water circulation in krill fishing areas near the South Shetland Islands ... with a drogue attached at a depth of 30 m to assess flow patterns at the depth range where krill tended ... with the distribution of krill catches taken in the area by Japanese vessels during the period from 1981 to 1994 ... which contribute to the formation of stable krill concentrations in the area. The observed long-distance ... SURFACE WATER CIRCULATION IN KRILL FISHING AREAS NEAR THE SOUTH SHETLAND ISLANDS T. Ichii ... at a depth of 30 m to assess flow patterns at the depth range where krill tended to be most abundant ... of the surface circulation was considered in conjunction with the distribution of krill catches taken ... to the formation of stable krill concentrations in the area. The observed long-distance movements of three buoys ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 125–136 : Author(s): Ichii, T. and M. Naganobu

3. Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory

   Paper Title:  Moulting interval and growth of juvenile Antarctic krill fed different ... Antarctic krill (Euphausia superba) were fed Phaenodactylum tricornutum, at concentrations ranging from 0.0 ... ) of juvenile krill increased, up to a concentration of 1.0 mgC 1 –1. No further effect of food concentrations ... . From these results, maximum daily growth rate (∆BL /IP) of juvenile krill was calculated to be 0.047 mm ... OF JUVENILE ANTARCTIC KRILL FED DIFFERENT CONCENTRATIONS OF THE DIATOM PHAENODACTYLUM TRICORNUTUM ... IN THE LABORATORY T. Ikeda, P.G. Thomas (Australia) Abstract Juveni,le Antarctic krill (Euphausia superba ... (IP) decreased, but an increment of body length per moult (6BL) of juvenile krill increased, up ... growth rate (6BL/IP) of juvenile krill was calculated to be 0.047 mm day-l, which is too slow ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Author(s): Ikeda, T. and P.G. Thomas

4. A simple approach for calculating the potential yield of krill from biomass survey results

   Paper Title:  A simple approach for calculating the potential yield of krill from biomass survey ... Y = λMB 0 for a krill fishery in which both the fishery and krill growth are seasonal. The criterion used ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its median pre ... A simple approach for calculating the potential yield of krill from biomass survey results ... WG-KRILL-91/24 A SIMPLE APPROACH FOR CALCULATING ... THE POTENTIAL YIELD OF KRILL FROM BIOMASS SURVEY RESULTS D.S. Butterworth* , A.B. Punt* and M. Basson ... fishery in which both the fishery and krill growth are seasonal. The criterion used for the calculations ... is that the probability that the krill spawning biomass drops below 20% of its median pre-exploitation level over a 20 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Author(s): Butterworth, D.S., A.E. Punt and M. Basson

5. A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels

   from Antarctic krill fishing vessels Abstract / Description:  The use of fishing-vessel-based acoustic ... of Antarctic krill (Euphausia superba), yet the quality and even the utility of the data may be seriously ... was demonstrated by applying it to the acoustic data at 38, 70 and 120 kHz collected from a Chinese krill fishing ... strength of the krill swarms were retained. The method may provide opportunity to improve the utility ... data collected from Antarctic krill fishing vessels X. Wang Ocean University of China Qingdao ... and relative abundance of Antarctic krill (Euphausia superba), yet the quality and even the utility ... , 70 and 120 kHz collected from a Chinese krill fishing vessel. Results show that the interference ... noise was effectively reduced while structure and echo strength of the krill swarms were retained ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Author(s): Wang, X., J. Zhang and X. Zhao

6. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

   Paper Title:  Towards an initial operational management procedure for the krill fishery ... in Subareas 48.1, 48.2 and 48.3 Abstract / Description:  An operational management procedure for krill ... . Assessment of resource status is provided by the CPUE ‘Composite Index’ proposed by the Workshop on the Krill ... of krill dynamics in the region is developed for simulation testing purposes. A provisional operational ... MANAGEMENT PROCEDURE FOR THE KRILL FISHERY IN SUB AREAS 48.1, 48.2 AND 48.3 D.S. Butterworth ... * * Abstract An operational management procedure for krill (Euphausia superba) in Subareas 48.1, 48.2 ... is provided by the CPUE "Composite Index" proposed by the Workshop on the Krill CPUE Simulation Study ... of the previous three years' CPUE values fall below a target level of 0.75 CPUEref• An operating model of krill ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 189–219 : Author(s): Butterworth, D.S.

7. Environment–krill relations in the South Georgia marine ecosystem

   Paper Title:  Environment–krill relations in the South Georgia marine ecosystem Abstract ... . In this study, time series of krill abundance (CPUE) indices were derived from Soviet fishing operations ... agrees with other data which give direct or indirect indications of krill availability, suggesting it can ... consistent, supporting suggestions that the variability in krill abundance around South Georgia is strongly ... CCAMLR Science, Vol. 3 (1996): 13-30 ENVIRONMENT-KRILL ... series of krill abundance (CPUE) indices were derived from Soviet fishing operations ... generally agrees with other data which give direct or indirect indications of krill availability ... &mperature was more consistent, supporting suggestions that the variability in krill abundance around South ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Author(s): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky

8. A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey

   Paper Title:  A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across ... :  A probabilistic Bayesian Maximum Entropy (MaxEnt) technique was used to estimate the abundance of Antarctic krill ... (Euphausia superba) across the Scotia Sea using data from the CCAMLR 2000 Krill Synoptic Survey of Area 48 ... (CCAMLR-2000 Survey) and to map the density distribution of krill across the survey area. Density values ... A QuAntified BAyesiAn MAxiMuM entropy estiMAte of AntArctic Krill ABundAnce Across the scotiA seA ... (MaxEnt) technique was used to estimate the abundance of Antarctic krill (Euphausia superba) across ... the Scotia Sea using data from the CCAMLR 2000 Krill Synoptic Survey of Area 48 (CCAMLR-2000 Survey ... ) and to map the density distribution of krill across the survey area. Density values for the unsurveyed off ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Author(s): Heywood, B.G., A.S. Brierley and S.F. Gull

9. Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90

   Paper Title:  Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data- Autumn ... 1989/90 Abstract / Description:  A krill biomass census survey was carried out at two fishing grounds ... to 3.6 knots. The total krill stock on the poorly studied site off the South Sandwich Islands ... and commercial harvesting. The overall krill stock here was estimated to be 1.1 million tonnes. Most ... WG-KRILL-90/21 KRILL BIOMASS ASSESSMENT IN STATISTICAL ... AREA 48 FROM THE RV ATLANTNIRO DATA - AUTUMN 1989/90 A.C. Fedotov* * Abstract A krill biomass ... m layer using a modified Isaacs-Kidd trawl. Trawling speed was 3.2 to 3.6 knots. The total krill stock ... is well-established in terms of both research and commercial harvesting. The overall krill stock here ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Author(s): Fedotov, A.C.

10. Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48

    Paper Title:  Alternative methods for determining subarea or local area catch limits for krill ... precautionary catch limit on krill (Euphausia superba) in Statistical Area 48. The measure also implies ... methods of determining subarea or local area krill catch limits are evaluated relative to six criteria ... between krill and their predators are explicitly considered and the potential for delayed implementation ... WG-KRILL-92/16 ALTERNATIVE METHODS FOR DETERMINING ... SUBAREA OR LOCAL AREA CATCH LIMITS FOR KRILL IN STATISTICAL AREA 48 G. Watters and R.P. Hewitt ... * Abstract CCAMLR Conservation Measure 32/X sets a 1.5 million tonne precautionary catch limit on krill ... or local area krill catch limits are evaluated relative to six criteria: (i) the degree to which ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Author(s): Watters, G. and R.P. Hewitt

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