Search results
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Species identification and age estimation for the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
03marriott et al for pdf.indd CCAMLR Science, Vol ... whitsoni, identifi cation, otoliths, ageing, maturity, CCAMLR Marriott et al. 39 INTRODUCTION ... year since 1998 (Hanchet et al., 2002). Toothfi sh landings increased steadily from 41 tonnes in 1998 ... for about 10% of total landed weight (Hanchet et al., 2002). In the 2002 season, about 158 tonnes ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 37–51 : Author(s): Marriott, P., P.L. Horn and P. McMillan
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data
09 taki et al proof.indd CCAMLR Science, Vol. 12 ... ) был SHORT NOTE Taki et al. 164 Introduction Much has already been written on diurnal ... or predator avoidance mechanisms (Ritz, 1994). Recently, Lascara et al. (1999) have studied the seasonal ... Taki et al. 166 December and January. The average CPUE in SO was highest during the day and lowest ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Author(s): Taki, K., T. Hayashi and M. Naganobu
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Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)
antarctique que l'on pouvait observer des regroupements de C. gunnari juveniles. Frolkina et al ... by Boronin et al. (1986) for application to the South Georgia subarea. This methodology involves ... to Frolkina et al. Table 2: Species taken by a juvenile fish sampling trawl. Family, Species Rajidae ... of stomach fullness 0.2 0.2 1.2 1.9 2.0 1.8 0.7 Frolkina et al. Table 4: The dominant lengths of fish ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Author(s): Frolkina, G.A., M.P. Konstantinova and I.A Trunov
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Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects
a gener- alised linear mixed model (GLMM) (Schall, 1991; Breslow and Clayton, 1993; Diggle et al., 1994 ... tted, ‘population-average’ (PA) estimates (Zeger et al., 1988) of the β can be obtained ... of the ocean area of the fi shery (Brandão et al., 2002) or a depth stratum or a combination of both (Punt et ... ) parameter estimates (Zeger et al., 1988). This simple scale difference between SS and PA estimates for log ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Author(s): Candy, S.G
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An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia
eleginoides) (e.g. Brothers, 1991; Croxall et al., 1990,1997; Duhamel, 1991; Gales, 1993; Murray et al ... ., 1993; Prince et al., 1994,1997; Weimerskirch, et al., 1997). In the area covered by the Convention ... designated under the CCAMLR Scheme of International Scientific Observation (Ashford et al., 1994 ... ; Ashford and Rubilar, 1994; Ashford et al., 1995; Ashford et al., 1996). Ashford et al. (1995) found ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Author(s): Ashford, J.R. and J.P. Croxall
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Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a
of the major fisheries for Dissostichus spp. in the CAMLR Convention Area (Hillary et al., 2006; Dunn ... in CCAMLR Subarea 48.3 (Hillary et al., 2006) and in the Ross Sea (Dunn et al., 2007) and tagging ... employed here is the same as that assumed for D. eleginoides in Subarea 48.3 (Hillary et al., 2006) which ... of recapture model assumed in the CASAL (Bull et al., 2005) model most commonly used to assess Dissostichus ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Author(s): Hillary, R.M
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Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass
et al., 1987). The influence of water temperature on sound speed, and consequently on the target ... of temperatures of water commonly surveyed by fisheries biologists. Shirakihara et al. (1986) reported ... strength (TS) gain is required as water temperature falls from 5.5 to 0.5OC. Furthermore, Pauly et al ... and Watkins, 1996; Brierley et al., 1997a). Acoustic data are collected using hull-mounted Simrad 38 (type ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Author(s): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe
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Physical data used in space averaging: Trophic modelling of the Ross Sea
understood and appears to be small, based on a modelling study (Dinniman et al. 2003; Rickard et al. 2009 ... . Langone et al. (1998) estimate a residence time in the Ross Sea of 50 years. Transport of water across ... Antarctic Slope Current (Jacobs 1991; Dinniman et al. 2003). The study region covers the main fishing ... with the Ross Sea polynya adjacent to the permanent ice shelf (Zwally et al. 1985; Kurtz & Bromwich 1985 ...
Document : Site Section: Publications
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Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia
and Jouventin, 1987; Croxall et al., 1990; de la Mare and Kerry, 1994), to the extent that the species is now ... classified as globally threatened (Collar et al., 1994). A major factor in the population declines ... maccoyi) (Croxall and Prince, 1990; Croxall et al., 1990; Brothers, 1991; Gales, 1993; Murray et al ... ). These fisheries are also known frequently to catch albatrosses (Ashford et al., 1994; Schiavini et al ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Author(s): Croxall, J.P. and P.A. Prince
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Spawning locations of mackerel icefish at South Georgia
and typical examples are described in Everson et al. (1991) and Parkes (1993). Data from tl-te coinmercial ... length than 29 cm, the size at which 95% of the fish had become sexually mature (Eversoil et al., 1996 ... in Everson et al. (1999). For the analyses reported here, all maturity stage data were standardised ... for this Everson et al. analysis. The data are presented in two forms. In Figure 2, monthly histograms showing ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 107–118 : Author(s): Everson, I., A.W. North, A. Paul, R. Cooper, N.C. McWilliam and K.-H. Kock