Résultats de la recherche
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Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations
(Croxall et al., 1999; Hopkins et al., 1993a, 1993b; Stowasser et al., 2012); (ii) the species is a ... these regular (probably daily) commutes to the seabed (Taki et al., 2005; Lascara et al., 1999 ... et al., 1999; Forcada et al., 2006, 2008; Hill et al., 2012; Boyd and Murray, 2001; Trivelpiece et ... to identify krill recruitment pulses (Reid et al., 1999) and to make inferences about krill growth ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Auteur(s): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)
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Sexing of adult Adélie penguins by discriminant analysis of morphometric measurements
been determined earlier by means of observing the birds039; breeding behaviour (first incubation ... of Adelie penguins at Stranger Point (62°14'S, 58°40'W, King George/25 de Mayo Is., South Shetland ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 543–549 : Auteur(s): Scolaro, J.A., Z.B. Stanganelli, H. Gallelli and D.F. Vergani
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Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea
et al., 1999; Boyd and Murray, 2001). While it may be preferable to index krill biomass and/or ... average of the first six foraging trips in hours. Note that the estimate of krill density for 1999/2000 in ... 2.548 –4.611 1998/99 12.0 5420 –4.747 14.8 2.415 –4.716 1999/2000 12.3 5090 –4.651 25.7 2.272 –4.422 ... Brierley et al. (1999) and unpublished data held by the British Antarctic Survey. For the South Shetland ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Auteur(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins
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Estimating optimal observer coverage in the Antarctic krill fishery
have been placed on krill vessels in the Atlantic sector at least since the 1999/2000 fishing season ... . Karp and McElderry, 1999; working with the North Pacific groundfish fishery) that sampling for common ... , since insufficient coverage can lead to unac- ceptable levels of imprecision or bias (e.g. Hall, 1999 ... , due to the biological consistency of local krill populations (Reid et al., 1999) this may not hold ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Auteur(s): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards
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Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01
to this, but on a more ad hoc basis (see Brierley et al., 1999 for a summary of all surveys). In ... ., 1999) may simply refl ect aliasing of shorter- term fl uctuations. Furthermore, an objective of the ... along the island’s north coast (cf. Watkins et al., 1999; Brandon et al., 1999, 2000). No extra ship ... variance (see Brierley et al., 1999), and that acceptable survey precision could be ob- tained from only ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Auteur(s): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst
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Spawning locations of mackerel icefish at South Georgia
Parlces (2000), and reviewed during the 1999 meeting of the Scientific Committee's Working Group on ... coinparison of which is given in Everson et al. (1999). For the analyses reported here, all maturity stage ... forward by Frolkina (1999). Even though there is a strong case for concluding that the northern side of ... results of Frolkina (1999). The results froin the inshore trammel net catches match those of Olsen ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 107–118 : Auteur(s): Everson, I., A.W. North, A. Paul, R. Cooper, N.C. McWilliam and K.-H. Kock
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Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf
population, whether a fishery is operating or not. As a result of this, as well as the species039; ability ... ), mature fish (25-39 cm) and large mature fish (240 cm plus) (Frolkina, 1999). All age estimates were ... , 1999) (Figure 1). individuals of 15-25 c& comprised 43% of catches in the east and 16%) in the west ... age 3 (Figure 3), i.e. at the age of first spawning (Frolkina, 1999). Compared to the period 1971 to ... southwest towards the northeast, artd from the southwest towards the west (Frolkina, 1999). The In ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Auteur(s): Frolkina, G.A
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[node:field-journal-volume]:37-51
from 1999 was confi rmed as being solely M. whitsoni, based on otolith comparisons and the geographic ... (NIWA). Deux espèces ont été identifi ées, Macrourus whitsoni et M. holotrachys. En 1999, il avait ... и M. holotrachys. На основании сравнений отолитов и географического происхождения образца 1999 г ... especies, Macrourus whitsoni y M. holotrachys. Se confi rmó que una muestra recolectada en 1999, y a la ...
Science Journal Paper : 37–51
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Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index
(Antarctic Peninsula area), 1980/81– 1999/2000. CCAMLR Science, 8: 25–36. Kawaguchi, S., T. Ichii and M ... inferential framework (Verbyla et al., 1999). The minimal (signifi cant) fi xed-effect model was determined ... (Verbyla et al., 1999). The LMM was fi tted to the log10 transformed values of CPD, CPT and CPTT while ... et al., 1999; Wafy et al., 2003). Scientific surveys CPUE indices Area Method SSMU CPD CPT CPTT ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Auteur(s): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu
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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
be fi tted as a double generalised linear model (DGLM) (Smyth and Verbyla, 1999) as described in ... . Verbyla. 1999. Adjusted likelihood methods for modelling dispersion in generalised linear models ... predictor variables and the β’s are the corresponding regression coeffi cients or parameters. For a GLM ... twice the average of standard errors of the estimates. All the models described were fi tted using S ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Auteur(s): Candy, S.G