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Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Foraging behaviour and reproductive success in chinstrap penguins: the effects of transmitter attachment

    one member of each breeding pair in studies utilising CEMP Standard Methods. File:  18-Croll-et-al.pdf ... al., 1986; Wanless et al., 1988; Wilson et al., 1989). The attachment of devices may lead to changes ... in behaviour of the study animal through the effects of increased drag (Wilson et al., 1986) or the ... discomfort of instrument package attachment (Wilson et al., 1990). Croll, Osmek and Bengtson (in press ... of providing chicks with food. Gales et al. (1990) made similar observations in a study of the ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 291–303 : Autor(es): Croll, D.A., J.L. Bengtson, P.L. Boveng, M.E. Goebel and J.K. Jansen

  2. Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys

    myctophids was found to be within the Antarctic Convergence area. File:  25-Filin-et-al.pdf ... presently estimated to be 70-200x1()6 tonnes (Lubimova et al., 1987). A comprehensive study of the biology ... les etes et automnes de 19g7-19g9 ont estime la biomasse de Myctophidae du secteur Atlantique de ... l'ocean Austral dans la region situee entre 4g et 56°S et de g a 4gow, a environ 1,7x106 tonnes. Sur la ... tableaux Parametres d'operation de l'echo-sondeur et de l'integrateur. Liste des figures Echo ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Autor(es): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva

  3. Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data

    distribution and population dynamics (Turner et al., 2005). If climate change influences the population ... fish; Agnew et al., 2010). Krill length data is necessary to determine the relative abundance of ... and Ross, 2003; Kinzey et al., 2011). The total number of by-catch fish may be the simplest ... of the datasets is provided in Okuda et al. (2010). Hierarchical Bayesian modelling was used to ...

    Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Autor(es): Okuda, T. and M. Kiyota

  4. Distribution of mackerel icefish (Champsocephalus gunnari) (Channichthyidae) around South Georgia at various stages of its life cycle

    surveys are described by Frolkina et al. (1998). Bottom trawl surveys were carried out using the same ... to study vertical diurnal migrations of young and im- mature fi sh (Trunov et al., 1999, 2000). The ... the shelf (Frolkina et al., 1998) (Table 1). In the Shag Rocks area no fi sh smaller than 12 cm ... of this size were found in this region only once, in November–December 1986 (Frolkina et al., 1998 ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 49–69 : Autor(es): Frolkina, Zh.A

  5. 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 to ... projections based upon Model 2 of Butterworth et al. (1994) were used to evaluate these proportions and ... Butterworth et al., 1994). a~ 0.936 0.846 0.852 0.898 Pro ortion of 'Bad' a n 8 ~ o o r j years, q ... of Butterworth et al. (1994) and the parameter values of equation (2). Those authors use a ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Autor(es): Butterworth, D.S. and R.B. Thomson

  6. 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 of ... tagged fish (Agnew et al., 2005; Dunn et al., 2009; Mormede et al., 2011c). How- ever, after controlling ... rates of tagged fish (Agnew et al., 2005; Dunn et al., 2009; Mormede et al., 2011c). How- ever, the ... : measures of tag-detection rates used to inform stock assessment (Mormede et al., 2011a, 2011b), a ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Autor(es): Mormede, S. and A. Dunn

  7. A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3

    , monitoring trade, moni- toring landings, making quantitative use of anec- dotal information (Pitcher et al ... , apart from the month around spawning time (July: Agnew et al., 1999). Accordingly, square-root and log ... to 5 (Berrow et al., 2000). It is therefore assumed that the bird by-catch rate for Area 6 was 50 ... d’estimation des captures illicites, non déclarées et non réglementées (IUU) de poisson et de la capture ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Autor(es): Agnew, D.J. and G.P. Kirkwood

  8. By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1) during the 1995/96 season

    AaHHOM CeKTOpe K)KHO~O OKeaHa. Duhamel et al. Resumen Se analizaron las capturas secundarias de ... ) and Cherel et al. (1996). The second cruise was an experimental deep-sea fishing trial carried out by ... dominant fishing method for finfish in the Southern Ocean are being underestimated. Duhamel et al ... fishing cruise in deep waters off the Kerguelen Islands in 1995/96. Duhamel et al. Figure 4 ...

    Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 175–193 : Autor(es): Duhamel, G., P. Pruvost and D. Capdeville

  9. A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia

    ri.siduelles indiquent que l'un des lecteurs est relativeinent plus precis que Ashford et al. l'autre ... a stable fishery (McFarlane et al., 1985). Similarly, otolith-based age estimates of Pacific ... agreement, but data were presented from only two fish. Young et al. (1995) compared scales and otoliths ... , 1988; Yole, 1989; Almeida et al., 1992), where the compressed circuli zone of an annulus interrupts ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Autor(es): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson

  10. Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass

    highlight the importance of careful planning of acoustic surveys. File:  14-Murphy-et-al.pdf ... interdisciplinary program of data collection, various aspects of which have been discussed by Priddle et al. (1986 ... of 29.73 mm. This mean size is similar to that of the krill used by Everson et al. (1990) to ... characterise water mass (Atkinson et al., 1990). 3 . RESULTS AND ANALYSIS 3.1 Analytical Techniques The ... krill density in the South Georgia region are those from trawl based studies (Latogursky et al., 1990 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Autor(es): Murphy, E., I. Everson and A. Murray

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