Search results
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A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
for the current year (TACy’) as described in the next section which specifies the MP. 4. The numbers-at-age ... . ICES J. Mar. Sci., 56: 797–810. Kock, K.-H., J.M. Clark and C.A. Moreno. 2008. Interactions between ... and B. Watkins. 2004. Killer whale (Orcinus orca) and sperm whale (Physeter mac- rocephalus) interactions ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Author(s): Brandão, A. and D.S. Butterworth
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A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region
history and population parameters. The functions repre- senting the interactions between species must ... -contained section of the main text and fre- quently used equations are described in the present section ... fi elds on a horizontal grid of resolution 0.25° latitude by 0.5° longitude (see next section ... and Butterworth (2001) reported the number of pods, by species, sighted on surveys of larger strata that also ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Author(s): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters
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Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass
. 2. METHODS 2.1 The Survey Design The survey was designed to investigate some of the interactions taking ... of systematic errors. Each transect was divided into six sections approximately 30 n miles in length. Each ... section was further divided into 1 n mile integration intervals (ESDU). Density was estimated from ... the acoustic parameter mean volume backscattering strength (MVBS). 226 At the end of each section various ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Author(s): Murphy, E., I. Everson and A. Murray
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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
, with five sections with hooks No. 3 and five sections with hooks No. 4. The hooks used were also of Mustad ... /0) (Figure 2). Sections of different types of hooks were arranged randomly along the longline according ... to methodology described by Pope et al., (1983). Each section comprised of 150 hooks placed 2 m apart on 60 cm ... of females was 1:3.6. Figure 4 presents data collected in August 1991 off the coast of Valdivia from ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Author(s): Moreno, C.A.
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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
of an area stratum by fishing year interaction as an additional random effect in the GLMM is investigated ... . Fitting the stratum-by-year interaction as a fixed effect is problematic since it requires weighting ... -by-year interaction as a random effect avoids this difficulty, and diagnostic methods to evaluate ... the validity of considering this interaction as random are described. The methods are demonstrated using catch ... by fi shing year interaction as an additional random effect in the GLMM is investigated. Fitting ... the stratum-by-year interaction as a fi xed effect is problematic since it requires weighting ... -by-year interaction as a random effect avoids this diffi culty, and diagnostic methods to evaluate ... the validity of considering this interaction as random are described. The methods are demonstrated using catch ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Author(s): Candy, S.G
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Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index
consists of three main sections: (i) a description of the statistical model (a linear mixed model (LMM ... )) used to standardise the haul-by-haul CPUE data is presented in the ‘Sta tistical methods’ section ... shery indices is presented in the ‘Results’ section; Table 1: List of variables and their definitions ... 2, and “:” specifi es an interaction. The consistently best, minimal random-effects model was spl(month.ns) + spl ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Author(s): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu
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Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)
pot fishing in 2000 and 2001, and have been at liberty from one to two years. Four fish were tagged ... at that latitude in 2001. File: 07marlow-etal.pdf ... recaptured to date were tagged and released during experimental pot fishing in 2000 and 2001, and have been ... tagging carried out on a toothfish pot vessel in international waters at that latitude in 2001. ... and released during experimental pot fi shing in 2000 and 2001, and have been at liberty from one to two years ... on a toothfi sh pot vessel in international waters at that latitude in 2001. Résumé En 2000, le Royaume-Uni ... 2000 et 2001 et étaient donc en liberté depuis un ou deux ans. Quatre poissons ont été marqués et ... en eaux internationales à cette latitude en 2001. Резюме В 2000 г. Соединенное Королевство ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Author(s): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson
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A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
. Standard length and weight were well correlated (r 2 = 0.99). Counts of growth zones in 304 thin-sectioned ... indicated that there was good within-reader and between-reader agreement, so the otolith sections appear ... ). Counts of growth zones in 304 thin-sectioned otoliths were used to estimate ages and von Bertalanffy ... -reader agreement, so the otolith sections appear able to be consistently interpreted. The standard ... thinsectioned otoliths were used to estimate ages and von Bertalanffy growth parameters. The species ... indicated that there was good withinreader and betweenreader agreement, so the otolith sections appear ... thinsectioned following a modified methodology of Stevens and Kalish (1998). They were transversely aligned ... cut along the nuclear plane using a diamondedged saw. One half of the sectioned block was mounted ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Author(s): Sutton, C.P. and P.L. Horn
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An assessment of toothfish in Subarea 48.3 using CASAL
, lasted from 1 May to 31 August. The remainder of the year (1 September to 30 November) constituted ... . Assessment results and sensitivity tests In this section, the results obtained for a number of different ... distributions for the baseline and selected alternative assessments in the section ‘MCMC estimation of stock ... status’, all results pre- sented in the sections ‘Baseline assessment point estimates’ and ‘Sensitivity ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Author(s): Hillary, R.M., G.P. Kirkwood and D.J. Agnew
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Modelling and decision making as part of the CCAMLR management regime
of suitable simulations of important Antarctic marine ecosystem interactions and to facilitate the formulation ... simulations of important Antarctic marine ecosystem interactions and to facilitate the formulation ... Antarctic marine ecosystem interactions and to facilitate the formulation of a suitable decision-making ... interactions importantes de l'ecosysteme marin de l'Antarctique et pour faciliter la formulation d'un ... , simulations of Antarctic marine ecosystem interactions (e.g. May et al 1979; Beddington 1980; Beddington ... on important Antarctic marine ecosystem interactions. - 298 - As Starfield et al (1986) have indicated ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Author(s): Miller, D.G.M.