Résultats de la recherche

1. Distribution and ecology of Chaenocephalus aceratus (Channichthyidae) around South Georgia and Shag Rocks (Southern Ocean).

   that growth was fast in the first five years with males and females attaining lengths at first spawning ... demersal fish living on the South Georgia shelf where it is caught in low numbers as by-catch in the ... in diet from Euphausia superba and mysids to benthic fish and decapods observed to begin at 250 mm TL ... . In larger fish (> 500 mm TL) the diet was dominated by fish. C. aceratus diet is sufficiently ...

   Meeting Document : WG-FSA-07/P5 : Auteur(s): W.D.K Reid, S. Clarke, M.A. Collins and M. Belchier. (Polar Biol., 30 (12): 1523–1533 (2007))

2. WG-FSA-08

   (France) WG-FSA-08/P4- Article Otolith chemistry reflects frontal systems in theAntarctic Circumpolar ... WG-FSA-08/06 Rev. 1 SUMMARY OF OBSERVATIONS ABOARD TRAWLERS OPERATING IN THECONVENTION AREA DURING ... OBSERVATIONS ABOARD POT VESSELS OPERATING IN THE CONVENTION AREA DURING THE 2007/08 SEASON Secretariat WG-FSA ... -08/09 REVIEW OF CCAMLR ACTIVITIES ON MONITORING MARINE DEBRIS IN THE CONVENTION AREA Secretariat WG ...

   Meeting

3. Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program

   correlated (>0.6). Criteria for inclusion of parameters in the indices are discussed when parameters are ... statistical procedure adopted by WG-EMM in 1996 for identifying anomalies in CEMP parameters. The power of the ... appeared in the data. An alternative procedure, using estimates of the mean and variance of baseline time ... in CCAMLR. File:  06delamare-constable.pdf ... simulation for two forms of alternative hypothesis with data series of up to 20 and 30 years. In both forms ... increase from 10- to 20-year time series resulted in little change in the median performance but in a ... replicates. Smoothing occurred in less than 50% of replicates in some of the 20-year time series for which ... year, even though different sets of parameters may contribute to the indices in different years ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Auteur(s): de la Mare, W.K. and A.J. Constable

4. e-sc-xxiv-a4.pdf

   ... years after ENSO events in the Pacific, lead to a reduction in pup production in the following year ... 30 000 tonnes of krill in a single season have been taken in nine SSMUs, and in the past six seasons ... prepared in response to a request from the Scientific Committee last year (SC-CAMLR-XXIII, paragraph 5.37 ... database holds scientific observer data from 20 trips/deployments in the krill fishery between 1999/2000 application/pdf attached to:WG-EMM-05

   Meeting Report : WG-EMM-05

5. Acoustic data analysis and models of krill spatial distribution

   / Description:  Acoustic data obtained on 4-5 January 1987 aboard the R/V Professor Siedlecki were used in three ... descriptors of krill spatial aggregation: power spectra for krill biomass fluctuations in space, semivariogram ... wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 km the ... and plays an important role in supporting animal populations such as whales, seals and penguins as ... from 1 km to 20 km and relatively sharp decline in the variance below 100 m in scale, approaching the ... , which is a measure of cohesiveness in animal aggregation. The most probably frequency distribution of ... (cycles/km) Power spectra for krill at the 2-20 km scale observed in this analysis (line) and by Weber ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Auteur(s): Morin, A., A. Okubo and K. Kawasaki

6. Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey

   ), as a function of the fraction of the biomass estimate which is set as the catch for a 20-year period ... relate potential krill yield to a pre-exploitation survey estimate of krill biomass. In this paper, the ... fishing mortality, as specified by the Fourth Meeting, results in marked reductions in the probabilities ... , in the interests of brevity, only the results for the 20-year period are reported here. Results ... . Figure 7 shows trends in the average P/B (production/biomass) ratio over the 20-year harvesting period ... effect only after the first ten years, i.e. it is considered first when computing NIla. (vi) In 'year ... biomass estimate which is set as the catch for a 20-year period. Three possible fishing seasons are ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Auteur(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew

7. Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996

   four periods of extensive ice cover during the last 18 years. Variability in seasonal timing, areal ... with features described by Stammerjohn and Smith (1996) for ice cover in the Bellingshausen Sea ... . Periods of extensive winter ice cover peaked in 1980, 1986, 1991and 1995 and were foreshadowed by the late ... of sea-ice cover were integrated over time to produce an annual index of sea-ice cover in units of 10 ... periodicity of five to eight years in ice cover and note a five-year periodicity apparent in the air ... subsampled area in km2 during the ith year and jth month. RESULTS AND DISCUSSION The Bellingshausen Sea ... ice cover peaked in July-August, a month earlier than the preceding year. The third period peaked in ... . Variability in seasonal timing, area1 extent, seasonal duration and persistence of sea-ice over multiple ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Auteur(s): Hewitt, R

8. Biology, distribution and abundance of Antarctic krill (Euphausia superba) and by-catch

   collected from 34 stations of fishing area 58 in Indian Ocean sector of Antarctic region between lat.57°53 ... 'S to 61°13'S and long.30°02'E to 40°05'E. These were analysed onboard FORV Sagar ... trawl. The length frequency analysis indicated a bimodel distribution with 19-20 mm and 53-54mm as the ... most abundant size in the fishing area 58. The average sex ratio of male and female Euphausia superba ...

   Meeting Document : WG-EMM-98/37 : Auteur(s): A. Anrose, Z. Klusek, M.K.R. Nair and M. R. Bhoopendranath (India)

9. e-sc-xx-a5-appH.pdf

   ... other species, in particular D. mawsoni, it had been agreed by those who had responded to SC CIRC 00/21 ... individuals who are considering using these techniques in different institutes, and to encourage ... correct year-class assignment (e.g. fish spawned in 1998 are always assigned to the 1998–1999 year class ... is shown in Figure 7b. In this example, the use of a 1 January birth date allows for correct year application/pdf attached to:WEAPT-01

   Meeting Report : WEAPT-01

10. SC-CAMLR-XXXIII

    -catch in fisheries adjacent to the CAMLR Convention Area Submitted by ACAP CCAMLR-XXXIII/BG/20 Global ... ):  Monday, 20 October 2014 to Friday, 24 October 2014 Chair / Convener:  Dr Christopher Jones (United States ... of America) Support:  Dr Keith Reid Submissions Due:  Saturday, 20 September 2014 Friday, 5 September ... coverage in the krill fishery Delegation of Ukraine CCAMLR-XXXIII/18 Modification of Conservation Measure ...

    Meeting

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