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1. Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)

   with hi fest mean density (1977/78) with the remainder, e inning with the year with lowest density, Tb ... ). Net haul abundance estimates will be re-calculated by replacing the stratified mean method ... of Elephant Island, along the permanent pack-ice zone. The mean length of these juvenile krill is 6 to 10 mm ... a dynamic flow pattern with eddies and meanders. It may be that the mean retention time for krill is much ... Paper Title:  Long-term monitoring of krill recruitment and abundance indices in the Elephant ... for the Elephant Island area with regard to the representativeness of the study area (60°-62 o 30´S ... interannual variability of krill recruitment is confirmed by the present analysis. Results are compared for ... were re-calculated applying the delta distribution approach introduced by de la Mare (1994a). The high ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Author(s): Siegel, V., W. de la Mare and V. Loeb

2. Glider-based estimates of Antarctic krill in Bransfield Strait, and the West shelf off Livingston Island, Antarctica

   -December 2018 and mid-March 2019. We compare mean biomass density (g m-2) estimates derived from gliders ... from 350 glider profiles was 25.0 g m-2, compared with the mean biomass density of 28 g m-2 collected ... estimated from two repeat glider surveys were 61.04 and 104.1 g m-2. Mean biomass density estimates from ... surveys conducted between 1997 and 2011. The mean biomass density of krill derived from restricting from ...

   Meeting Document : WG-EMM-2019/13 : Author(s): C. Reiss, A. Cossio, G. Cutter, J. Walsh and G. Watters

3. Interannual variability of polynya extent in the Antarctic Ocean

   and converted into the yearly mean. The time series of the yearly mean in the whole Antarctic Ocean are trending ... series of polynyas extent per a day were calculated from 1978 to 1998 and converted into the yearly mean ... . The time series of the yearly mean in the whole Antarctic Ocean are trending upper after the latter half ...

   Meeting Document : WG-EMM-01/34 : Author(s): M. Naganobu and K. Segawa (Japan)

4. Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic

   , mean catch rates of up to 5 tonnes/hour have been reported by Otero et al. (1982) during spring ... "S, in the Malvinas/Falklands current, though reported mean catch rates are less than 0.3 tonnes/hour (Otero et al ... ', 30 mm gap) spaced at 1 m Table 1: Study details: vessels used, date, coordinates, mean depth ... , and a mean length of 52 cm TL (Cordo, 1995). In zone SG1 (<300 m deep), data from the South Georgia shelf ... principal fish species in the diet of D. eleginoides on the Argentinian continental shelf were nototheniids ... ). It was also found that the diet of D. eleginoides varied in relation to its size and water depth in ... Paper Title:  Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in ... the southwestern Atlantic Abstract / Description:  The diet of Patagonian toothfish (Dissostichus ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Author(s): García de la Rosa, S.B., F. Sánchez and D. Figueroa

5. Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region

   1). Depth of capture was taken to be the mean of the depth recorded on the fishing vessel at the start ... and Fournier, 1981), and mean coefficient of variation (CV) (Chang, 1982), were calculated and bias plots ... for this to be meaningful. To assess the adequacy of the stomach samples for statistical analysis of diet variations ... individuals (Table 7; Figure 9). The low number of specimens available, especially for male fish, means ... in the Ross Sea region is presented. The number of rays in the left pelvic fin and number of rows of ... CCAMLR Subareas 88.1 and 88.2. There was a small but significant increase in the proportion of M ... , Macrouridae) in the Ross Sea region Abstract / Description:  Samples collected in 2008 led to the ... as M. whitsoni. The first comparison of the distribution and ecology of the two species of Macrourus ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Author(s): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown

6. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

   , by stepwise optimization, certain variables of single components of the distribution mixture (means, standard ... % led to four geographical coherent clusters which were interpreted to be biologically meaningful ... unweighted mean length frequency distribution calculated from the above relative distribution would bias ... were established in each cluster. The stratified mean (Saville, 1977) was then determined for each ... Paper Title:  Estimation of krill (Euphausia superba) mortality and production rate in the ... data of an identical survey with RV Polarstern in 1987/88. Seasonal variation between summer and winter ... ratio of 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within ... biomass (including production) of 4.3 and 5.0 x 10 6 tonnes passing through the survey area during the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Author(s): Siegel, V.

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

   and 1993. Abundance is expressed as stratified mean numbers per 1 000 m3. Status of Krill Stock Around ... ). Relative abundance, expressed as the stratified mean abundance standardised to numbers per 1 000 m3 ... frequency for the survey area was weighted according to the stratified mean abundance and the proportion ... spawned. Abundance Estimates The mean abundance estimates for krill during January and February/March ... Paper Title:  Status of the krill stock around Elephant Island in 1991/92 and 1992/93 Abstract ... / Description:  Krill stock composition and distribution patterns in the vicinity of Elephant Island during the ... appears to be a recurring and predictable aspect of the krill stocks in the Antarctic Peninsula region ... . The general distribution of krill length and maturity classes conformed to previous descriptions and ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Author(s): Loeb, V. and V. Siegel

8. PROPERTIES OF WATER DYNAMICS AND KRILL DISTRIBUTION IN THE SOUTH SANDWICH ISLANDS SUBAREA

   Abstract:  of mean krill density in Subarea 48.4 there are premises for formation of the zones ... biomass was concentrated here, the mean krill density was 65 g/m2, and on local grounds – greater than 150 ... of mean krill density in Subarea 48.4 there are premises for formation of the zones with increased ... was concentrated here, the mean krill density was 65 g/m2, and on local grounds – greater than 150 g/m2 ...

   Meeting Document : WG-EMM-09/44 Rev. 1 : Author(s): S.M. Kasatkina and V.N. Shnar (Russia)

9. Bycatch of fishes captured by the krill fishing vessel Chiyo Maru No. 2 in Statistical Area 58 (January to March 1995)

   . This manuscript presents a brief reanalysis of the bycatch data collected onboard the Chiyo Maru No. 2; means ... , and an average of about 2 kg of fish were caught per hour of towing. Confidence intervals for mean bycatch ... presents a brief reanalysis of the bycatch data collected onboard the Chiyo Maru No. 2; means and variances ... of about 2 kg of fish were caught per hour of towing. Confidence intervals for mean bycatch estimates ...

   Meeting Document : WG-FSA-95/40 Rev. 1 : Author(s): Watters, G.

10. KRILL FISHERY REPORT: 2009 UPDATE

    fleet; and proposed improvements to conservation measures which apply to krill fisheries. The report ... krill fishing fleet; and proposed improvements to conservation measures which apply to krill fisheries ...

    Meeting Document : WG-EMM-09/06 : Author(s): Secretariat

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