Search results
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
by Kock et al. (2008). Around South Georgia they were first recorded by Ashford et al. (1996) and more ... recently by Purves et al. (2004). Purves used CCAMLR observer data collected from around South Georgia ... - nificant effect on CPUE (Hanselman et al., 2008). Sets affected by sperm whales, however ... , vessel national- ity, depth, month and area of capture (Hillary et al., 2006). Therefore, generalised ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Author(s): Moir Clark, J. and D.J. Agnew
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Otolith and body size relationships in the mackerel icefish (Champsocephalus gunnari)
South Georgia the mackerel icefish (Charnpsocephnlus gunnari) is both a predator of krill (Kock et al ... ., 1994) and prey for fur seals (Arctocephalus gazella) (North et al., 1983; Reid, 1995; North, 1996 ... the likely size of fish eaten by the seals (North et al., 1983). While that study provided a good first ... in Everson et al. (1991). During the surveys the following information was obtained from the individual ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 117–123 : Author(s): Everson, I., B. Bendall and A. Murray
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Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia
BbIxnane onpeAeneHHb1e Y Y ~ C T K H Murphy et al. pafio~oe rrrenb@a M rpaHHqb1 rrrenb@a, Ha ... and Goss, 1991; Ichii et al., 1994). Previously the data available to analyse the krill fishery have ... and Goss, 1991; Ichii et al., 1994). Subarea data give little indication of the exact location ... of the localised interactions of predators and prey around predator colonies is required (Trathan et al., 199613 ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Author(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt
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Do krill and salps compete? Contrary evidence from the krill fisheries
proporcibn de kril verde. En el Brea de la isla Livingston, Kawaguchi et al. solo se detect0 una ... for primary production between salps and krill has been proposed (Siege1 and Loeb, 1995; Loeb et al., 1997 ... krill of sufficient food and retard krill gonadal development (Loeb et al., 1997). The timing ... ) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Kawaguchi et al. factor governing the proportion of green krill (highest deviance was observed ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Author(s): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare
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Biological characteristics of Antarctic fish stocks in the southern Scotia Arc region
Kock et al. premieres annees de la pscherie et les nombreuses occasions d'echantillonner ces ... , length-weight relationship, maturity, spawning, gonadosomatic indices, Scotia Arc, CCAMLR Kock et al ... ; Permitin and Tarverdiyeva, 1972; Kock, 1986; Agnew and Moreno, 1992; Moreno et al., 1996; Agnew et al ... and Quintero, 1989) and some longlining in 1993 (Ashford et al., 1994). The South Orkney Islands (Subarea ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 1–41 : Author(s): Kock, K.-H., C.D. Jones and S. Wilhelms
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The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring Program
superba) has averaged 71 % by weight of the diet (Croxall et al., 1988a and unpublished data). During ... that krill is the main (70%+) component of the diet (Jablonski, 1985; Trivelpiece et al., 1987). In both ... appear to feed chiefly on fish, at least during single foraging trips (Jablonski, 1985; Croxall et al ... extensively studied. The major (multi-year) studies of general breeding biology are: Trivelpiece et al. (1987 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 483–488 : Author(s): Croxall, J.P. and T.D. Williams
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CCAMLR-XXIV
-XXIV/BG/21 Plan d'action pour l'évaluation du stock de légine dans les Terres australes et ... française CCAMLR-XXIV/BG/25 Fonctions et attributions des contrôleurs de pêche Délégation française CCAMLR ... réglementation relative à la mortalité aviaire dans les Terres australes et antarctiques françaises Délégation ... pêcheries de l'Organisation de coopération et de développement économiques (OCDE) Délégation française ...
Meeting
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Length-based assessment for mackerel icefish (Champsocephalus gunnari) at South Georgia
using the existing CMIX/GYM methodology were 1 590 and 968 tonnes respectively. File: 06hillary-et ... -al.pdf ... de la nouvelle méthodologie, Hillary et al. 130 introduction In order to determine the catch ... -based assessment. Length-based models are extremely useful when growth data are scarce (Chen et al ... ., 2003; Zheng et al., 1995) or when a population is difficult to age directly. They are also useful ... (Hillary et al., 2009), and is updated here to include the results from a research survey conducted ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 129–137 : Author(s): Hillary, R.M., C.T.T. Edwards, R.E. Mitchell and D.J. Agnew
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
purves et al proof.indd CCAMLR Science, Vol. 11 ... investigations are needed to determine the extent and effects of Purves et al. 112 longline–cetacean ... , Dissostichus eleginoides, South Georgia, toothfi sh, CCAMLR Purves et al. 114 Introduction The longline ... interactions have been reported from the black cod longline fi shery in the Gulf of Alaska (Hill et al., 1999 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Author(s): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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Choosing distance between acoustic survey tacks
that the suggested criterion be applied in real hydroacoustic surveys. File: 08-Kalikhman-et-al.pdf ... mathematique a ete utilise pour demontrer que la distance entre les bordees d'etude acoustique peut etre ... permissible dans l'estimation de la biomasse et sur le coefficient de variation des valeurs de densite des ... values are not related statistically (Yudanov et aI, 1984). However, the biomass assessment error ... density field and the other the echo-sounder survey (Kizner et aI, 1982; Kizner, 1984). The density ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Author(s): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler