Search results
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Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates
yields (Mormede et al., 2011a, 2011b; Mormede, 2011). In those analyses, the assumed values ... (Agnew et al., 2005; Dunn et al., 2009; Mormede et al., 2011c). How- ever, after controlling ... (Agnew et al., 2005; Dunn et al., 2009; Mormede et al., 2011c). How- ever, the relatively small numbers ... vessel performance: measures of tag-detection rates used to inform stock assessment (Mormede et al ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Author(s): Mormede, S. and A. Dunn
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Possible effects of different levels of krill fishing on predators – some initial modelling attempts
variant of Model 2 of Butterworth et al. (1994). fishing for krill occurs, this distribution shifts ... upon Model 2 of Butterworth et al. (1994) were used to evaluate these proportions and hence estimate ... ., 1 November, see Butterworth et al., 1994). a~ 0.936 0.846 0.852 0.898 Pro ortion of 'Bad ... . together with Model 2 of Butterworth et al. (1994) and the parameter values of equation (2). Those ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Author(s): Butterworth, D.S. and R.B. Thomson
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A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
trade, moni- toring landings, making quantitative use of anec- dotal information (Pitcher et al., 2002 ... the month around spawning time (July: Agnew et al., 1999). Accordingly, square-root and log-transformed ... Georgia indicates that bird densities are much lower in Area 6 than in Areas 1 to 5 (Berrow et al., 2000 ... décrit une nouvelle méthode d’estimation des captures illicites, non déclarées et non réglementées (IUU ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Author(s): Agnew, D.J. and G.P. Kirkwood
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By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1) during the 1995/96 season
. Duhamel et al. Resumen Se analizaron las capturas secundarias de peces extraidas durante una campafia ... in Duhamel (1992) and Cherel et al. (1996). The second cruise was an experimental deep-sea fishing trial ... % 0 0.06 0 11.22 0 1.24 23.28 64.15 0.04 0 100 Duhamel et al. mainly between 800 ... in the Southern Ocean are being underestimated. Duhamel et al. ACKNOWLEDGEMENTS The authors thank the crew ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 175–193 : Author(s): Duhamel, G., P. Pruvost and D. Capdeville
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A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia
relativeinent plus precis que Ashford et al. l'autre dans son estimation de 1'2ge par les otolithes ... validated ages from otoliths resulted in a stable fishery (McFarlane et al., 1985). Similarly, otolith ... agreement, but data were presented from only two fish. Young et al. (1995) compared scales and otoliths ... ; Jearld, 1983; Penttila and Dery, 1988; Yole, 1989; Almeida et al., 1992), where the compressed circuli ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Author(s): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson
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Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3
12 hooper et al proof.indd CCAMLR Science, Vol. 12 ... и о смягчающих мерах, разрабатываемых и применяемых в целях SHORT NOTE Hooper et al. 196 Introduction ... at the mouth of the net provided a means of escape. Hooper et al. 198 three 1.6 m mesh escape openings ... 0.0 Hooper et al. 200 Figure 1: Seal-exclusion device on the Atlantic Navigator. Figure 2: Mesh ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Author(s): Hooper, J., J.M. Clark, C. Charman and D. Agnew
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Genetic variations and population structure of krill from the Prydz Bay region of Antarctic waters
title in Polar Biology (1986) 6: 233–236. File: 13-MacDonald-et-al.pdf ... title in Polar Biology (1986) ~ : 233-236. VARIATIONS GENETIQUES ET STRUCTURE DEMOGRAPHIQUE DU KRILL ... DE LA REGION DE LA BAlE DE PRYDZ DAMS LES EAUX DE L'ANTARCTIQUE C.M. MacDonald, R. Williams et ... M. Adams (Australie) Resume Des echantillons de krill antarctique E. superba on ete preleves dans six ... endroits situes pres de la Baie de Prydz et ont ete analyses electrophoretiquement en vue de detect er la ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 271-273 : Author(s): MacDonald, C.M., R. Williams and M. Adams
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Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
reclutamiento del kril. Se comparan 10s resultados para Siegel et al. ejemplares de uno y dos afios de ... of Antarctic krill stocks (Butterworth et al., 1991). The original yield model was extended to integrate over ... (Butterworth et al., 1994). Proportional recruitment indices for krill were recorded in a time series ... almost as far north as 59"s (Nast, 1982; Siegel et al., 1990). This northern limit of krill ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Author(s): Siegel, V., W. de la Mare and V. Loeb
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Use of indices of predator status and performance in CCAMLR fishery management
, p. 172; SC-CAMLR-V, p. 149) and were most recently summarized by Croxall et al. (1988 ... availability) (see Croxall et al. 1988, pp. 277 -278). So far, however, no attention has been directed ... (Croxall et al., 1988). In addition, not all predator indices are equally important because not all ... et al., 1988). Resulting difficulties in interpretation may, therefore, reduce their direct ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Author(s): Croxall, J.P.
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Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)
and especially off Heard Island (Williams and de la Mare, 1995; de la Mare et al., 1998). Due ... shelf to coastal spe- cies (Duhamel et al., 2005). It also corresponds to the large area of kelp ... with the survey area (see Duhamel et al., 2005). Among the remaining species, known commer- cial species ... of the shelf and slope of the Kerguelen Islands EEZ (Duhamel et al., 2005) include D. eleginoides, C. gunnari ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Author(s): Duhamel, G. and M. Hautecoeur