Résultats de la recherche

1. Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area

   inshore sub-populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused ... approximately one year. Barrera-Oro et al. 62"s 60°W (a) S h e t l a n d Figure 1: (a) The South ... defined as the period from 1 May to 30 April next year. Variance was normalised using the trans ... performed on total and relative catches taken at PC are shown in Table 1. Split-year (1 May to 30 April ... probably reflects the high availability of these two species at a site which is far away from the main ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Auteur(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux

2. Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias

   . Candy, S.G. 2011b. Estimation of natural mortal- ity using catch-at-age and aged mark-recapture data: a ... Science, Vol. 20 (2013): 63–72 63 Factors that may InFluence the accuracy oF abundance estImates From ... with respect to M, R and C. Where these assumptions are not met, parameter estimates may be biased ... handled. For example, there are at least two individual toothfish in the Heard Island and McDonald ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Auteur(s): Welsford, D.C. and P.E. Ziegler

3. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL

   Division 58.5.2), using CASAL and data consisting of multi-year random stratified trawl survey (RSTS ... data included in the model, age-4 and 5 fish are fully selected, whereas when the survey data have ... at ea u s L s U a 1 a 2 SG 3 19 90 SG 5 19 93 SG 2 19 99 SG 7 20 03 SG 1 a2 -e ... variation (CV) for length given age, (ii) use of non-informative pri- ors for year-class strength ... , 2007b, paragraph 4.6(ii)) noted that the CV in year-class strength (YCS – number of annual age-1 ... with M kept fixed at 0.13 year–1 as recommended in SC-CAMLR (2006). The maximum age was set to 35 ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Auteur(s): Candy, S.G and A.J. Constable

4. CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass

   0 2 4 6 8 10 12 14 16 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Catch per vessel ... exceeded 10 tonnes, more than 80% of the krill were dam- aged and losses of the raw krill material could ... 1986 to 1991 (RIF statistics). 0 5 10 15 20 25 30 35 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... 2 20 8 0. 19 80 25 0. 60 15 68 51 2 0. 81 15 76 0. 73 81 57 84 0. 88 91 ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Auteur(s): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov

5. Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean

   paper. It was found that during the first years of life the linear growth rate is 3 to 5 cm per year. It ... Paper Title:  Growth and age/length structure of populations of Notothenia (Lepidonotothen ... :  Age, growth and age/length composition of populations of grey rockcod (Notothenia (Lepidonotothen ... decreases by a maximum of 1 cm during the last years of life. Maximum annual weight increments of 100 to 120 ... 20 to 36 cm in length, aged 4 to 12 (T =8 years) and on the Lena Bank - 22 to 32 cm in length, aged ... 'I 'I 'I 1000 500 fO 20 30 Y Y 'I 40 2/ / / / / / / / , ,1 I I ... 1972; 2=1980 to 1986. 133 30 20 f978 n=770 t=7,5 fa 20 (979 n=2327 fa 20 1980 (1;5426 ... 10 '-ID 1986 n=68S9 t=8,O 3D 20 to ItO 30 1987 rt=6223 t=7,8 20 fO 8 12 f6 20 24 28 32 36 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Auteur(s): Zaitsev, A.K.

6. A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3

   there must have been at least one encounter with an FPV in a year; no encounters in a year are ... October to 30 September, thus including one summer and one winter period. The estimated mean toothfish ... measures. Three years were analysed: 1998/99, 1999/2000 and 2000/01. Each year fully covered the period 1 ... with IUU fishing. The mean and variance of fish catch rate was calculated for each area and each year ... ) W ei gh ti ng fa ct or S A rg os H el en a 26 -F eb -9 7 20 -A ug -9 7 9 30 3. 49 ... 91 .9 1 14 2 1. 54 5 9 S C is ne V er de 20 -M ar -9 7 30 -M ay -9 7 6 99 .8 ... analysed: 1998/99, 1999/2000 and 2000/01. Each year fully covered the period 1 October to 30 September ... the purposes of this paper, the fi shing year was defi ned as extending from October of one year to ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Auteur(s): Agnew, D.J. and G.P. Kirkwood

7. Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)

   calculated for a depth range of 100 to 500 metres in waters between 30 and 80°E. Krill consumption was ... krill consumed is between 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million ... the Sodruzhestva and Kosmonavtov Seas over many years by the YugNIRO institute. Data obtained from ... for a depth range of 100 to 500 metres in waters between 30 and 80°B. Krill consumption was estimated ... aguas entre 30 y 80°B. Solamente se calcul6 el consumo de krill durante el verano (diciembre a abril ... , Hobart, Australia. 312 Table 1: Area of depth strata between 30° and 80° and the number of hauls ... - - - - C. antarcticus 30 2.04 1 1 - - - - N. ionah 90 3.0 40 108 - - - - T. eulepidotus 5910 3.82 83 18738 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Auteur(s): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk

8. Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).

   Paper Title:  Distribution and size–age composition of Antarctic krill (Euphausia superba) in the ... South Orkney Islands region (CCAMLR Subarea 48.2). Abstract / Description:  The distribution, size–age ... distribution of size–age groups in association with particular water masses indicated that age 2+ krill ... dominated in cold Weddell Sea waters in the southern parts of the fishing area, while older age classes (3 ... % 70 % 60 % 50 % 40 % 30 % 20 % 10 % 0% 10 0% 90 % 80 % 70 % 60 % 50 % 40 % 30 % 20 % 10 ... % 0% 10 0% 90 % 80 % 70 % 60 % 50 % 40 % 30 % 20 % 10 % 0% 10 0% 90 % 80 % 70 % 60 % 50 ... +; modal length 25–30 mm) and 2-year-old krill (age 2+; modal length 40–45 mm); the 3-, 4- and 5-year-old ... + 3+ 4+ 5+ 2 3 4 5 6 7 2 3 4 5 6 Size–age groups (a) % 20 10 0 –10 –20 –30 29–30 31–32 ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Auteur(s): Sologub, D.O. and A.V. Remeslo

9. Status of the Polish FIBEX acoustic data from the West Atlantic

   potentially move through the Bransfield Strait within a period as short as one or two weeks. Given the ... (1986): M V B S = ~ O ~ O ~ L - ~ O ~ O ~ A R - S L - V R + 20 log R. + 2aRo - 10 log (c 212) - 10 ... acoustique du krill (SC-CAMLR, 1991a). Cette analyse met en evidence le fait que la densiti. acoustique est ... calibration at the time of FIBEX (BIOMASS, 1986). Calibration was undertaken on two separate occasions; the ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Auteur(s): Trathan, P.N., J. Kalinowski and I. Everson

10. Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index

    0 D J F M A M J J A S O N 0 10 20 30 40 50 60 D J F M A M J J A S O N 0 D J F M A M J J A ... t ot al 0 5 10 15 20 25 30 -150 -100 -50 0 50 100 150 CPST -3 -2 -1 0 1 2 3 -150 -100 ... -50 0 50 100 150 Quantiles of standard normal R es id ua ls Log10CPT 0 10 20 30 40 -1.5 ... id ua ls Residuals P er ce nt o f t ot al Log10CPTT 0 10 20 30 -1.0 -0.5 0.0 0.5 1.0 1.5 ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Auteur(s): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu

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