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Commission pour la conservation de la faune et la flore marines de l'Antarctique

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  1. Modelling krill recruitment

    Paper Title:  Modelling krill recruitment Abstract / Description:  A method is developed for using ... observed values of the mean proportion of recruits and its variance to model recruitment in a krill ... avec les paramPtres de recrutement proportionnel observes. Dans ce document est exposee une procedure ... reclutamiento de una poblacion de kril en funcion del numero de reclutas. El metodo incluye el calculo de la ... populations based on the analyses of length data from a number of net hauls. The available data have been ... consistent with the data used in estimating the observed mean and variance in proportional recruitment ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 49–54 : Auteur(s): W.K. de la Mare

  2. Methodological guidelines on the assessment of trawl catchability of krill by means of statistical modelling

    Paper Title:  Methodological guidelines on the assessment of trawl catchability of krill by means ... the relative effectiveness of krill fishing gear by means of statistical modelling. The Monte-Carlo ... krill fishing. However, on its own the Monte-Carlo method does not provide a complete solution to the ... for the process of entrapment of krill by the net; this permits the rigorous mathematical formulation ... MODELES STATISTIQUES Z.I.Kizner (U. R. S. S.) the the Ce document presente une maniere d'aborder ... probleme pose. Ce document presente une methode pour l'evaluation comparative de l'efficacite des chaluts ... configuration et n'affecte que les renseignements fournis. Le document presente la formulation des axiomes ... resoudre. Le document presente une description detaillee de l'alogarithme concernant l'evaluation de ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 195-222 : Auteur(s): Kizner, Z.I.

  3. Further analysis of target strength measurements of Antarctic krill at 38 and 120 kHz: comparison with deformed cylinder model and inference of orientation distribution

    Abstract:  Data collected during the krill target strength experiment [J. Acoust. Soc. Am. 87, 16 ... analysis of target strength measurements of Antarctic krill at 38 and 120 kHz: comparison with deformed ...

    Meeting Document : WG-KRILL-93/06 : Auteur(s): D. Chu (USA), K.G. Foote (Norway) and T. K. Stanton (USA)

  4. Target strengths of krill at 136 and 20 kHz

    Paper Title:  Target strengths of krill at 136 and 20 kHz Abstract / Description:  Estimation of ... krill target strength was made by ensonifying encaged live krill and using trawl hydroacoustic method ... . Ensonification of encaged live krill. For aggregations with mean lengths from 45 to 50 mm the mean single-krill ... the mean single-krill target strengths range from-71 to-77 dB at 20 kHz. Trawl hydroacoustic method ... determined (from specific data on krill distribution characteristics and trawling regime); • trawl ... necessity to apply TS data on krill to the calculation of its biomass means that research is still required ... orientaion of euphausiids (krill). Coun.Int. Coun. Explor. Sea. Document B:6. FOOTE K.G., L EVERSON, J ... equations for TS and L, calculated using data in Tables 1 to 4, are shown in Table 5 and their ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Auteur(s): Kasatkina, S.M.

  5. Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48

    considered, 2) the cost of data collection, 3) the reliability of required information, 4) the ease of ... limit on krill (Euphausia superba) in Statistical Area 48. The measure also asks the Scientific ... local areas. Nine alternative methods of determining subarea or local area krill catch limits are ... . Alternatives based on continental shelf area, simple pulse fishing, and krill surveys are not biologically ...

    Meeting Document : WG-KRILL-92/16 : Auteur(s): G. Watters and R.P. Hewitt (USA)

  6. Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3

    Paper Title:  Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3 ... krill fishery around South Georgia, and on mitigation methods that were being developed and deployed to ... seal entanglements on krill vessels fishing around South Georgia in the 2004 fishing season. The ... implemented by Japanese vessels during the 2003 krill fishing season around South Georgia (Japan Deep Sea ... from Fishing (WG-IMAF). Krill vessels are required to submit operational data to CCAMLR, including ... fi ne-scale catch and effort data. The data submitted to CCAMLR by those krill vessels operating in ... seal entanglement by Japa nese krill vessels. Document WG-FSA- 04/17. CCAMLR Hobart, Australia ... (Arctocephalus gazella) en la pesquería de kril alrededor de Georgia del Sur, y sobre los métodos de mitigación ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Auteur(s): Hooper, J., J.M. Clark, C. Charman and D. Agnew

  7. Antarctic krill, Euphausia superba Dana, demography studies in the seas of Sodruzhestvo and Cosmonauts (Indian Ocean sector of Antarctica)

    duration, as well as about the interannual variability in the above parameters. According to our data ... (Hosie et al., 1988) for the Prydz Bay by data for 1981-1985. Basing on long-term observations, relations ... of E.superba is assumed in these areas. Author(s):  E.A. Pakhomov (Ukraine) Title:  Antarctic krill ...

    Meeting Document : WG-KRILL-93/45 : Auteur(s): E.A. Pakhomov (Ukraine)

  8. Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000

    Paper Title:  Analysis of krill trawling positions north of the South Shetland Islands (Antarctic ... commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South ... . Trawling positions seemed to be primarily governed by the distribution of larger mature krill, especially ... quality, such as salp abundance and the proportion of green krill, also seemed to have an increasing ... . Factors that may l~ave influenced trawling positions were discussed. logbook data from Antarctic krill ... available data to elucidate trends of associatiol~ between biological factors (krill and salp density ... . Biological data are listed in Table 1. December January February March A p r ~ l May Analysis of krill ... (Table 1). Therefore, trawlers may have decided to fish for non-green krill distributed in the oceanic ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Auteur(s): Kawaguchi, S. and K. Segawa

  9. Analysis and modelling of the Soviet Southern Ocean krill fleet

    / Description:  The first part of this document contains an analysis of data pertaining to the Soviet krill ... catch and effort data provide about krill abundance or how easily can significant changes in krill ... fleet. The data base consists of the records of 12 different cruises by 8 different research vessels ... between 1981 and 1984. The data are analyzed according to operational characteristics of the fishing ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 127–235 : Auteur(s): Mangel, M.

  10. Patterns and processes in the distribution and dynamics of Antarctic krill

    Paper Title:  Patterns and processes in the distribution and dynamics of Antarctic krill Abstract ... distribution and dynamics of Antarctic krill population at various spatial and temporal scales. We suggest that ... models of increasing complexity be developed iteratively for variability and patchiness of krill ... critical processes to be added. An analysis of spatial distribution of krill in the Bransfield Strait area ... and dynamics of krill and fin fish? 2. How important are biological factors such as predation and ... , grazing will be allowed to modify the basic distribution. 3. PRELIMINARY DATA ANALYSIS OF KRILL SPATIAL ... can describe the krill distribution patterns in different areas. Acoustic data (provided by M.C ... way. The data tapes contained continuous reading of estimated average krill biomass (g m-3 ; 200 kHz ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Auteur(s): Levin, S.A., A. Morin and T.M. Powell

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