Search results

1. Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991

   a much lower caloric value than krill. In these krill-poor seasons mysids are also taken. C. gunnari ... by their small sample size (n = 113) and the poor coverage of the shelf. Plankton surveys in the same season ... -eating birds was found to be poor (Croxall et al., 1988). Despite large variations in stomach fullness ... B 5IHBape-espaJie 1991 r. 1IacToTa scTpet:IaeMOCTH ocHOBHbiX noTpe6JI5IeMbiX BH,liOB Euphausia superba ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Author(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski

2. Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea

   produced lower band counts than thorns, possibly because of poor calcifi cation and resolution problems ... , but they were indistinct, indicating poor contrast in calcifi cation. The number of bands visible in centra ... of 1 or 2. The fi nal sample size of aged thorns was 137. Repeatability of counts was poor: the mean CV of two ... , although poor resolution of marginal bands has been reported in the thorns of another deepwater skate ... no obvious difference in growth between the sexes, so the von Bertalanffy curve for both sexes ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Author(s): Francis, M.P. and C. Ó Maolagáin

3. Indices of prey availability near the Seal Island CEMP site: 1990 to 1996

   in 1991. By the second survey, however, few post-spawning adults were caught. Poor spawning in 1992 ... and poor subsequent recruitment were evident during the first survey of 1993. Few post-spawning adults ... were caught during the second survey of 1993 and the poor recruitment from this year was evident ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Author(s): Hewitt, R.P., G. Watters and D.A. Demer

4. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

   in which the R2 index shows a high value (particularly 1988/89 and 1991/92) the R1 index shows poor ... where large krill are less likely to be found (Watkns et al., in press). However, poor biomass years ... estimation. Although this was a poor year in terms of biomass surveyed around South Georgia, when we ... . However, according to Siegel et al. (1998), 1993/94 was a poor year in terms of absolute and relative ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Author(s): Watkins, J.L

5. Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993

   in the vicinity of Elephant Island. Also indicated are estimates of good (+), poor (-) and intermediate ... (+), poor (-) and intermediate (+/-) year class strength taken from Siegel (1986, 1989) and Loeb ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Author(s): Hewitt, R.P. and D.A. Demer

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

   /90, indicating poor 1+ age groups. Subadult stages observed in lower numbers during the 1987/88 ... groups can be suspected to be extremely poor year classes most probably due to a failure of spawning ... year-classes had been poor or almost missing, e.g. year-class 1983/84 as well as 1986/87 and 1988/89 ... ) included the two age groups 1+ and 2+. Age group 2+ was represented at that time by the poor 1978/79 year ...

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

7. Acoustic estimates of krill density at South Georgia, 1981 to 1998

   the breeding performance of most krill-dependent predators at South Georgia was poor, and the proportion ... ), we might expect to experience seasons of poor krill abundance at South Georgia by this criterion ... - dependent predators is poor. Such years can be considered as years of abnormally low krill density ... , 198 1 - 1998 r r . noKa3a~b1 CpeAHkie B3BeLUeHHbIe 3HaqeHHX (Jolly and Hampton, 1990 ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Author(s): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

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

   ~ K C T ~ ~ M ~ J I ~ H ~ I X y c n o ~ ~ f i . Koppenxqax c ~ e ~ n e p a ~ y p o f i B O A ~ I 6b1na 6onee nocneno~a~enb~ofi , YTO noAaepmMBaeT TeopMlo ... that years of good and poor recruitment can be identified. Applying this idea suggests that over the period ... . This was followed by good recruitment between 1979 and 1981, poor recruitment in 1983 and 1984, followed ... . This was followed by poor recruitment in 1990 and 1991 and, possibly, some level of recruitment in 1992 ...

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

9. Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   , but coverage in the South- ern Ocean was poor with less than a few hundred measurements. This algorithm’s key ... 1, the spatial and temporal coverage of CZCS data in the Southern Ocean is poor. Nonetheless, until SeaWiFS ... productivity, are particularly poor in high-latitude oceans. The Carr et al. (2006) review of satellite ... of poor- est success. This is at least in part due to the low density of validation data for such a vast ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Author(s): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear

10. Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)

    and, from the 2002/03 season onward, gonad weight. Visual observations indicate that D. mawsoni in poor ... as shown in Table 6. These data quan- tify the poor body condition noted visually in that area ... this relation- ship, and comparing actual weights, confirms the poor condition of D. mawsoni of both sexes ... . Finding fish in poor condition prior to spawning is contrary to accepted knowledge of generalised fish ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Author(s): Fenaughty, J.M

Pages