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1. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   Paper Title:  Is current management of the Antarctic krill fishery in the Atlantic sector of the ... krill (Euphausia superba) fishery in the Atlantic sector of the Southern Ocean, and current knowledge ... about the state of the regional krill stock. In this region, krill fishing is permitted in an area of ... . There is some evidence for a decline in the abundance of krill in the 1980s, but no evidence of a ... introduce the data available for analysing changes in the krill stock; to compare the effective catch lim ... provided data on krill biomass in 2 million km2 of Sub- areas 48.1 to 48.4 in January 2000. (iii ... (e.g. annual) events. Net data have been used to indicate changes in krill abundance (e.g. Atkinson ... normal operations and fisheries observers already collect information on krill size, sex and ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Autor(es): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins

2. Preliminary model of krill fishery behaviour in Subarea 48.1

   Paper Title:  Preliminary model of krill fishery behaviour in Subarea 48.1 Abstract / Description ... :  A simple model of the behaviour of the krill fishery in FAO Statistical Subarea 48.1 (South Shetland ... data over the period 1989 to 1992. The distribution of catches predicted by the model, which is ... KRILL FISHERY BEHAVIOUR IN SUBAREA 48.1 D.J. Agnew CCAMLR, 25 Old Wharf Hobart, Tasmania 7000 ... simple model of the behaviour of the krill fishery in FAO Statistical Subarea 48.1 (South Shetland ... fishery data over the period 1989 to 1992. The distribution of catches predicted by the model, which is ... de la pecherie de krill dans la sous-zone 48.1 de la FAO (iles Shetland du Sud et peninsule ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Autor(es): Agnew, D.J. and V.H. Marín

3. Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000

   Paper Title:  Characteristics of krill aggregations in the South Sandwich Islands subarea in ... February 2000 it was observed that krill was present in non-aggregated and scattered forms, as well as in ... swarms. Differences between spatial distribution patterns of different krill aggregation forms in ... characteristics of some 2 400 krill swarms detected in the study area were sized acoustically and are described in ... surveys (1981). Core datasets (acoustic, biological and CTD data) obtained during the CCAMLR 2000 Krill ... the probabilistic–statistical theory of trawl fi shing and data on krill distribution from hydro ... of distribution characteristics of the fi shing object. Document WG-Krill-91/16. CCAMLR, Hobart ... data on fi shing intensity and hydroacoustical method. Document SC-CAMLR-VII/BG/10. CCAMLR, Hobart ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Autor(es): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky

4. Status of krill target strength

   Paper Title:  Status of krill target strength Abstract / Description:  Empirical estimates for the ... target strength of krill are extracted from publications. These are confined to measurements on ... recommendations are made for future, improved determinations of krill target strength. Based on the comparisons ... . 7.1 Conclusion For the time being, in the absence of new data, the target strength of krill may be ... . Foote1, D. Chu2 and T.K. Stanton2 Abstract Empirical estimates for the target strength of krill are ... for future, improved determinations of krill target strength. Based on the comparisons, general ... acoustique du krill sont extraites des publications. Elles sont limitees aux mesures des concentrations ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Autor(es): Foote, K.G., D. Chu and T.K. Stanton

5. Note on maturity of krill in relation to interannual fluctuations of food environment in the seas around the South Shetland Islands

   years data from commercial krill trawlers indicates that percentages of occurrence of gravid female was ... Abstract:  Relationship between food environment and maturity of krill around the South Shetland ... Islands is discussed. Data during 91/92 austral summer shows that when chlorophyll concentration in ... fraction larger than 2um was high, feeding activity of krill was also high in the natural environment. 5 ...

   Meeting Document : WG-KRILL-93/27 : Autor(es): M. Naganobu and S. Kawaguchi (Japan)

6. Estimating krill recruitment and its variability

   likelihood method is developed for the decomposition of krill density-at-length data into the proportion of ... Paper Title:  Estimating krill recruitment and its variability Abstract / Description:  A maximum ... rate for 1+ krill (the ratio of the number of krill aged one year to the number of krill aged one year ... for 2+ krill (the ratio of the number of two-year-old krill to the number aged two and above) from ... of krill density-at-length data into the proportion of recruits in a population sampled by a net ... densities at each length with very long upper tails. RESULTS Data from a number of krill trawl surveys ... Variability Table 1: Krill surveys from which net haul data were analysed for proportions of recruits ... CCAMLR Science, Vol. 1: 55-69 ESTIMATING KRILL ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Autor(es): de la Mare, W.K

7. An evaluation of reduced target strength estimates reported for krill (Euphausia superba)

   on the same experiment and report new calculations of the target strength of krill (Euphausia superba ... ) that propose questioning previous measurements of krill target strength and estimates of abundance ... derived from them. Their results can be shown to have significant weaknesses in both data used and ... important, given that they are being cited as a basis for increasing the estimates of krill standing stock ...

   Meeting Document : WG-KRILL-90/13 : Autor(es): M.C. Macaulay (USA)

8. Factors to consider in developing management measures for krill

   krill fisheries. Various possible elements of procedures such as reactive, predictive, and feedback ... in developing management measures for krill Approval:  Approved ...

   Meeting Document : WG-KRILL-90/14 : Autor(es): W.K. de la Mare (Australia)

9. Chilean krill fishery: analysis of the 1991 season

   Abstract:  This paper summarized the chilean catch data for 1991. Especial emphasis is given to ... the analysis of haul-by-haul data and its use in understanding small scale spatial distribution of ... fishing grounds. The results show that the krill fishery in subarea 48.1 is particularly intense near CEMP ... sites. Other uses of haul-by-haul data are suggestted. Author(s):  Victor H. Marín et. al. Title ...

   Meeting Document : WG-KRILL-91/39 : Autor(es): Victor H. Marín et. al.

10. Krill length and age at maturity

    identical for krill. Comparisons with length at age data show that females mature in the third year of the ... Abstract:  Data from several summer surveys to the Antarctic Peninsula region were analysed to ... calculate length and age at maturity for the Antarctic krill Euphausia superba. L50 values of 34.62 to 35.90 ... mm for female krill are the best estimates for the high spawning season. Males attain sexual maturity ...

    Meeting Document : WG-KRILL-93/40 : Autor(es): V. Siegel (Germany) and V. Loeb (USA)

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