Résultats de la recherche
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Phytoplankton: Trophic modelling of the Ross Sea
relatively high (>0.5 nM) concentrations of dissolved iron during early spring compared with low ... 1.1 gC m-2 with a cycle as shown in Figure 1d. Note that this represents a typical or “average” year ... for a “typical” year. 3 0 1 2 3 C hl or op hy ll- a (m g m ... as 180 gC m-2 y-1 with average sedimentation rates up to 97% (Fabiano et al. 1997, Saggiomo et al ...
Document : Site Section: Publications
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Estimation of the biomass of krill in Prydz Bay during January/February 1991, February/March 1992 and January/ February 1993 using echo integration
surveys indicated some association of krill with the shelf break in the western part of the survey area ... similar and distinctly different from the higher biomass year of 1991. The difference is characterised by ... the middle of the range of densities estimated from seven surveys between 1981 and 1985 (Higginbottom ... et al. 1988). The distribution of the Sa values for the lower biomass years 1992 and 1993 were ...
Meeting Document : WG-Krill-94/21 : Auteur(s): T. Pauly and I. Higginbottom (Australia)
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Annual variation in breeding biology of gentoo penguins, (Pygoscelis papua) at Bird Island, South Georgia
-year period (1986-1988) at Bird Island, South Georgia, with particular reference to birds of known age ... varied annually, and with age of the breeding bird, nest location and, in one year, with laying date ... or breeding experience. Laying date varied significantly between all three years, being three weeks ... later in 1987, when the breeding population decreased markedly. Factors involved in the timing of ...
Meeting Document : WG-CEMP-90/38 : Auteur(s): T.D. Williams (United Kingdom)
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Seasonal variation in acoustic estimates of krill density at South Georgia during 2001/2002
(middle), and one in May 2002 (late). The surveys were the second in a five-year series of observations ... around South Georgia in the 2001/2002 season: one in November 2001 (early); two during January 2002 ...
Meeting Document : WG-EMM-02/39 : Auteur(s): C. Goss, S.A. Grant, N. Cunningham, J.L. Watkins, P.N. Trathan, E. Murphy and K. Reid (United Kingdom)
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Antarctic fur seal predator performance indices for the South Shetland Islands 1987/88–2002/03
at Cape Shirreff, Livingston Island measured female foraging trip duration, foraging range, diet (3 ... (female foraging trip duration) and C2b (pup growth rates). Measures of female foraging trip duration, pup ... foraging trip durations (7.09d ±0.19), below average frequency of krill in fur seal diet (79.6% ±7.7 ... ), pup growth rates (3), pup mortality, timing of reproduction, adult female survival and natality ...
Meeting Document : WG-EMM-03/54 : Auteur(s): M.E. Goebel (USA)
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e-cc-x-a5.pdf
... services during his time with the Commission. EXAMINATION OF AUDITED FINANCIAL STATEMENTS FOR 1990 3 ... approved by the Commission pursuant to Financial Regulation 10.2, have been prepared in accordance with ... the policies outlined in Note 1 to the Accounts and conform with International Accounting Standards ... investment of moneys and the acquisition and disposal of assets by the Commission during the year ending 31
application/pdf attached to:scaf-91
Meeting Report : scaf-91
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
D. mawsoni that had been injected with oxytetracycline some years before recapture. The six ... in each consecutive mode. This indicates that the modes represented year classes and that one ... estimates agree with growth curves calculated previously from a sample of data that was large but lacked any ... , 2.5 and 3.5 years were estimated to be 14, 28, 37 and 46 cm total length (TL) respectively. These ... released since 1972 (DeVries and Eastman, 1998). Some of these tagged fi sh were also injected with ... between 0+ and 3+ years. A length-frequency distribution of the aged fi sh by estimated year class ... early years of growth. However, because of the lack of small D. mawsoni, it was not possible to link ... sections from 1+, 2+ and 3+ fi sh are shown in Figure 3, with the positions of the translucent zones ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Auteur(s): Horn, P.L., C.P. Sutton and A.L. DeVries
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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
000 legal-sized male crabs/n mile 2, and there was a lot of uncertainty associated with these ... equal to 1.0 (see Figure 3, middle panel). Consistent with such predictions, all of the hauls made ... smooth terms which were retained in equation 1 were reparameterised with 3 df. The 3 df model was ... with gamma errors and log-link to the positive CPUE data. The middle panel shows the trend in predicted ... associated with these estimates. In general, t l ~ e experimental harvest regime was successful. The regime ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Auteur(s): Watters, G
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e-cc-xiii.pdf
... ). It considered that this was in line with its requests for more work on this subject made last year ... the Systems of Inspection and Scientific Observation, compliance with conservation measures in force ... uncertainty and cooperation with other international organisations including the Antarctic Treaty System. The ... ......................................... 48 COOPERATION WITH OTHER ELEMENTS OF THE ANTARCTIC TREATY SYSTEM
application/pdf attached to:CCAMLR-XIII
Meeting Report : CCAMLR-XIII
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Rapport de pêcherie 2015 : Champsocephalus gunnari Géorgie du Sud (sous-zone 48.3)
stocks, CCAMLR closed the fishery in the early 1990s. The fishery was later reopened, but with a highly ... for C. gunnari began in Subarea 48.3 in the late 1970s, with large catches taken by Eastern European ... with a minimum mesh size of 90 mm. In recent years, the catch limit for this fishery has been between ... . Throughout this report the CCAMLR fishing season is represented by the year in which that season ended, e.g ...
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