Résultats de la recherche

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

   been validated. The maximum estimated age was 14 years, but this should be regarded as a conservative ... ]), where L t is the pelvic length (PL) in centimetres at age t years. Applying this growth curve to the ... Paper Title:  Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea Abstract ... precision was low, producing uncertain age estimates. Furthermore, annual deposition of thorn bands has not ... determine Pelvic length (cm) 0 20 40 60 80 100 T ho rn le ng th ( m m ) 0 2 4 6 8 10 12 14 ... aged thorns, 14 (9%) were judged unreadable. The readability of most thorns (80%) was scored as 3 or ... without the outliers was implausible, intersecting the x-axis at about one year. Thus no advantage was ... the Ross Sea P el vi c le ng th (c m ) (c) (b) (a) 0 2 4 6 8 10 12 14 0 20 40 60 80 ...

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

2. A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula

   has been developed. The new index reflects the functional interaction between these two utilisers of ... colonies out to 80, 60 and 20 km (Adklie penguins, chinstrap penguins and gentoo penguins respectively ... analysis, mean foraging distance for chinstrap penguins was increased by 50% (from 20 to 30 km), although ... functional interaction between these two utilisers of the krill resource and is based on a detailed model of ... alimentaires des manchots combinees avec la position des captures. L'analyse met en evidence le fait que le ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Auteur(s): Agnew, D.J. and G. Phegan

3. Australian research on Antarctic bird and seal diets

   cantered the CCAMLR Ecosystem Monitoring Programme's priority study area, Euphausia superba forms a ... Heard and Macquarie Islands have been collected during the last seven years. Published and unpublished ... ) 20 38 3' 1 58 400 39 29 32 o Location: Sea ice off Davis Station (68°30'S: 77°50'E ... 23.1 30 - 80 15 - 2 6 9 -2 9 2.6 Gentoo Penguins Location: Macquarie Island (54°30'S: 158°57'E ... number per stomach was 42, range 1-117. Two specimens of P. antarcticum were found in one stomach ... Davis Station (68°30'S:77°50'E), in the south-eastern corner of the Prydz Bay Priority Area of CEMP ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 231-249 : Auteur(s): Williams, R.

4. CCAMLR ecosystem monitoring and management: future work

   the local population due to a high degree of site fi delity from one year to the next. For more ... . Consequently, changes in predator performance from one year to the next may simply be due to this natural ... scale during the early stages of the fi shery and to 0 1 2 3 0 1 2 3 D en si ty 0 10 20 30 ... intégrante de ses objectifs de conservation. Vers la fi n des années 80, la CCAMLR a élaboré une approche ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 233–253 : Auteur(s): Constable, A.J

5. Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island

   at a deeper range from 50 to 100 m in the day while at a shallower range from 20 to 50 m at night. In ... ..' .::', .. .. ····<····2·0·00 m 200 m Figure 2: Subsurface (30 to 35 m depth) currents derived from the paths of two ... ;, () 20 30 40 50 60 ~~~~~ ~ ~~~~£1 " " " " Body length ( mm ) Maturity stages Figure 5: Body length and ... Inshore cP. I N = 1084 60r N = 1084 -->- 10 foraging 0 40 c:: Cl) 6 t ::J areas 0- s Cl) 20 .J1L 1 ... ) D areas ::J 0- S 20 - Cl) 1- U. 0 0- I I r-f I 1 I I I 1-1--"1 ...... '" cv 0" ~ g ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 273–285 : Auteur(s): Ichii, T., H. Ishii, J.L. Bengtson, P. Boveng, J.K. Jansen and M. Naganobu

6. Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish

   examined, the point estimate of total biomass increased from 5 to 30% for eight species and decreased by 20 ... the 50-500 m isobaths than Everson&#039;s estimates, though changes in area are specific to the depth ... 250-500 m depth intervals. The updated estimates are about 1 424 (20%) n miles larger in area within ... % for one. File:  12jones.pdf ... eight species and decreased by 20% for one. Une carte bathymetrique revisee des iles Orcades du Sud ... PaCCMOTPeHHbIX BNAOB OqeHKa o6qet ~ H O M ~ C C ~ I BO3pOCna Ha 5-30% AJIR 8 BHAOB M COKpaTHJIOCb Ha 20% AnR ... total aumento entre 5 a 30% para ocho de las nueve especies de peces examinadas, y disminuy6 en 20 ... ) for the 50-150, 150-250 and 250-500 m depth intervals. The updated estimates are about 1 424 (20%) n ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Auteur(s): C.D. Jones

7. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

   feedback loop have a nominal time‐step of one year. The controlled system (here the operating model ... modified objective function: { }0 1 2 20 2 2, , , 0 '0 min k Q u u u K k k k ss R S x x u u u l ... of 2 2 20 0 ' k k k Q R S x x u u u æ ö÷ç - + - + ÷ç ÷÷çè ø  in steady state, which can be ... - ment derive from control theory (Cunningham and CCAMLR Science, Vol. 20 (2013): 119–137 119 A ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Auteur(s): Hill, S.L. and M. Cannon

8. Midwater trawl catchability in relation to krill and possible ways of assessing gross catch

   theoretical calculations. A comparison of the experimental hydroacoustic assessment with the calculated one ... Rhomboid a=lOO (30) mm a=80(20)mm a=60 (18) mm 0.2 0.2 0.2 Hexagonal a=lOO (20) mm a=80 (14) mm a=60 ... -section diameter of 5 to 6 m and a mesh bar of 30 mm, then 0.33 kg of laill will escape through one ... 70 60 50 40 ~ 30 I» o ~ 20 g. f 10 \-l o 0,9 10,7 20,5 30,3 40,1 ~9.9 59,7 3 ... concentration d.ensity in the zone of action of the trawl,g/m 70 60 50 20 10 o 0,6 9,4 18,1 26,8 35,S ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Auteur(s): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov

9. Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers

   with mitochondrial and intron DNA markers Abstract / Description:  Two molecular methods, mitochondrial ... , 1984; Williams et al., 1994), but DNA analyses showed evidence for two genetic units, one around ... air dried and resuspended in 40 µl sterile water and stored at –20°C. Two classes of markers, mtDNA ... , 14 nt). The D. mawsoni amplicon contained two variable sites in the con- trol region. One SS fi sh ... the 13 recaptures, there was one long-distance movement, almost 800 km north (72°S) after 3.3 years ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Auteur(s): Smith, P.J. and P.M. Gaffney

10. Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region

    , including two indicator-only taxa. File:  05parker-bowden.pdf ... : (L = <10 years; M = 10–30 years; H = >30 years) Growth rate: (L = mature <10 years; M = mature 10–20 ... rates relative to other taxonomic groups while they were small (up to 80 mm year–1), but that growth ... Zealand fjords approached 30 years of age (Miller et al., 2004). Stylasterids can be large, up to 1 m in ... a longev- ity class of Low, 10–30 years as Medium, and more than 30 years as High. 111 ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Auteur(s): Parker, S.J. and D.A. Bowden

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