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1. An assessment of the impact of krill fishery on penguins in the South Shetlands

   Abstract:  The competition between Japanese krill fishery and penguins during their breeding ... information on fishery, penguins and krill biomass. The catch is very low in December followed by roughly ... . Estimated krill biomass varies considerably within the favorite fishing areas due to the movement of krill ... into and out of the area, but high krill biomass (100-1000 x103t) usually existed there. Compared with ...

   Meeting Document : WG-KRILL-93/07 : Autor(es): T. Ichii, M. Naganobu and T. Ogishima (Japan)

2. Polish krill fishery in the 1991/92 and 1992/93 seasons results of catches and biological investigations

   Abstract:  Poland began krill fishing operations in the 1976/1977 season. It has been engaged in ... krill commercial fishery since the 1986/1987 season. Maximum catches, equalling 15.9 thous tonnes. were ... , attained in the 1992/1993 season. The report presents an analysis of Polish krill catches in the 1991/1992 ... were calculated. The results of biological investigations of krill on the fishing grounds of the South ...

   Meeting Document : WG-Krill-94/09 : Autor(es): J. Sosinski and Z. Cielniaszek (Poland)

3. Prediction of krill target strength by liquid prolate spheroid model

   (TS) of krill. Scattering patterns are shown to demonstrate orientation dependence of krill TS. Length ... results. The variability of the TS of krill is large where L/λ is larger than unity. Therefore, a ... frequency around 70 kHz is superior to 120 kHz which are ordinarily used for krill surveys. Author(s):  M ... . Furusawa and Y. Miyanohana (Japan) Title:  Prediction of krill target strength by liquid prolate spheroid ...

   Meeting Document : WG-KRILL-93/21 : Autor(es): M. Furusawa and Y. Miyanohana (Japan)

4. Note on relationship between the Antarctic krill and annual variation of ice edge during 1979 to 1992

   Abstract:  During 1979 to 1991, relationship between the size of Antarctic krill and the extent of ... the sea ice in the sea area around the South Shetland Islands are described. Mean size of krill near ... . This implies that strong recruitment of small size krill had occurred just after the season with the ... the Antarctic circumpolar trough. Therefore, it could be suggested climate and ecology of krill ...

   Meeting Document : WG-KRILL-93/26 : Autor(es): M. Naganobu and S. Kawaguchi (Japan)

5. Status of the krill stock around Elephant Island in 1991/92 and 1992/93

   Abstract:  Krill stock composition and distribution patterns in the vicinity of Elephant Island ... . The general distribution of krill length and maturity classes conformed to previous descriptions and ... appears to be a recurring and predictable aspect of the krill stocks in the Antarctic Peninsula region ... months. The overall abundance, maturity stage composition and reproductive activity of krill appeared to ...

   Meeting Document : WG-KRILL-93/08 : Autor(es): V. Loeb (USA) and V. Siegel (Germany)

6. Estimation of the biomass of krill in Prydz Bay during January/February 1991 and February/March 1992 using echo integration

   Abstract:  Hydroacoustic surveys of the abundance of krill (Euphausia superba) in the Prydz Bay ... association of krill with the shelf break in the western part of the survey area but also found that the shelf ... break was in general not a region of relatively high krill abundance. The mean surface density of krill ... between 1981 and 1985 (Higginbottom et al. 1988). The biomass of krill in 3.5 milion km2 of the Prydz Bay ...

   Meeting Document : WG-KRILL-92/23 : Autor(es): I. Higginbottom and T. Pauly (Australia)

7. By-catch of fish in the krill fishery

   Abstract:  Observations are reported of icefish being taken as bycatch during krill fishing ... operations from a research vessel. The results indicate that the bycatch of fish in the commercial krill ... open ocean krill fishing. Author(s):  I. Everson (United Kingdom), A. Neyelov and Y. Permitin (USSR ... ) Title:  By-catch of fish in the krill fishery Approval:  Approved ...

   Meeting Document : WG-KRILL-91/25 : Autor(es): I. Everson (United Kingdom), A. Neyelov and Y. Permitin (USSR)

8. Midwater trawl catchability regarding quantitative estimation of krill biomass using the method of trawling surveys on abundance

   distributional pattern end trawl parameters. Data on trawl catchability distribution parameters and krill ... taken as an example, proved the latters not to be suitable for krill biomass estimation using method of ... trawling survey on krill abundance should be worked out. Optimum construction of midwater trawl can be ... include studies on estimation of krill total exemption. Author(s):  S.M. Kasatkina (USSR) Title:  Midwater ...

   Meeting Document : WG-KRILL-91/32 : Autor(es): S.M. Kasatkina (USSR)

9. 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 ... important, given that they are being cited as a basis for increasing the estimates of krill standing stock ... dependent bias (correlation of target strength of an individual krill on the number of krill used to measure ...

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

10. Possible approaches to the evaluation of the Antarctic krill mortality

    the base of summaryed data on Krill age groups singled out using method of Harding.Parameters obtained ... were used to calculate total Krill mortality using different methods applyed earlier only to the fish ... most real values varied from 0.75 to 1,17. No fishery impact on various parameters of the krill ... approaches to the evaluation of the Antarctic krill mortality Approval:  Approved ...

    Meeting Document : WG-KRILL-92/08 : Autor(es): L.G. Maklygin and V.I. Latogursky (Russia)

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