Search results
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Integration of CPUE data into assessments using the Generalised Yield Model
CCAMLR Science, Vo l . 8 (2001): 65-74 INTEGRATION ... a 10s datos pertinentes a1 bacalao de profundidad (Dissosticllirs rlegrrloldes) e n la Subhrea 48.3 ... of a lack of fit (McAllister and Kirchner, 2001). It is also necessary to check ... and the interaction of the fishery with the stock (Constable et al., 2000) and to compare and evaluate the utility ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Author(s): Kirkwood, G.P. and A.J. Constable
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Do krill and salps compete? Contrary evidence from the krill fisheries
fitoplancton, de 10s datos de 10s cuadernos de pesca de arrastreros de kril japoneses que faenaron cerca de la ... The results of the analysis of deviance (Table 1) show that each factor and interaction is statistically ... and increasing salp density even over several orders of magnitude. This suggests that direct interaction ... the month:area:sea- surface temperature interaction was larger than from the month:area interaction (Table ...
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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Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution
year is important for such assessments, and this issue is studied using simulation. Between-haul ... -frequency data for each fishery and fishing year is important for such assessments, and this issue ... -frequency data for each fishery and fishing year is important for such assessments, and this issue ... , is relaxed). A key issue is whether either of yn′ or φy can be reliably estimated from catch-at-age ... ′ 1 2 1 2 1 ln ln y ya ya y ya n p c n p (10) using nonlinear least squares (A. Dunn, pers. comm ... , including the interaction between years and age for these terms (i.e. linbin x linyr, linbin x quadyr ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Author(s): Candy, S.G
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Investigations of required sampling regimes for environmental parameters
continuously or as daily maxima and minima would be sufficient to detect a 10 to 20% change in monthly mean log ... speed continuously or as daily maxima and minima would be sufficient to detect a 10 to 20% change ... be sufficient to detect a 10 to 20% change in monthly mean log-transformed wind speed a of 0.05 and P of 0.9 ... suffirait a deceler un changement de 10-20% dans la vitesse moyenne du vent transformee par ... Bbl5IBHTb 10-20% H3MeHeHH5I B Cpe,llHeMeC5I4HOM * CCAMLR Secretariat, 25 Old Wharf, Hobart, Tasmania, 7000 ... minimised. Type IT errors are especially important in studies affecting conservation issues, where ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 561–573 : Author(s): Agnew, D.J.
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Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector
parameters and biological interactions. Polar Biol., 20 (4): 229–247. Gutt, J. and A. Starmans. 2001 ... , environmental and bio- logical properties, as well as the interaction of these properties. Here, benthic ... fragments, 30% ophiuroid arms, 10% organic matter) where possible. Algae were also weighed and recorded ... (n mile2 10–3) sampled Piegraph Depth range (m) Area of seabed (n mile2 10–3) sampled 1 300–400 ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 167–192 : Author(s): Lockhart, S.J. and C.D. Jones
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Statistical problems in krill stock hydroacoustic assessments
: Two primary issues are at question for hydroacoustic assessments of krill. The first is the methods ... accuracy, even if the present values were very accurate, the issue of interest would seem ... to be not the absolute amount of biomass present in an area, but rather how it is distributed. The issue of patchy years ... Two primary issues are at question for hydroacoustic assessments of krill. The first is the methods ... HYDROACOUSTIC ASSESSMENTS M.C. Macaulay Abstract Two primary issues are at question for hydroacoustic ... very accurate, the issue of interest would seem to be not the absolute amount of biomass present ... in an area, but rather how it is distributed. The issue of patchy years vs more even distribution would ... segundo es el perfeccionamiento de la precision de medicion de la fuerza de blanco. En 10 que se refiere ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Author(s): Macaulay, M.C.
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
09horn et al for pdf.indd CCAMLR Science, Vol. 10 ... metho- dology, and the importance of validating ageing methodologies is well understood (Campana, 2001 ... in which fi sh less than 60 cm total length (TL) are seldom caught (Hanchet et al., 2001). Horn (2002 ... toothfi sh (Dissostichus eleginoides) (Cassia, 1998; Kalish and Timmiss, 2001; Horn, 2002). Because ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Author(s): Horn, P.L., C.P. Sutton and A.L. DeVries
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A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
l'issue d'une période de 18 à 24 mois, l'emplacement des larves de légine correspond moyennement à la ... (Patchell, 2005). Over the past 10 years considerable amounts of data have been gathered from D. mawsoni ... ., 2003), diet (Fenaughty et al., 2003) and, to a lesser extent, reproduction (e.g. Patchell, 2001, 2002 ... fish are resting or maturing while the fishery takes place (Patchell, 2001, 2002). Since 2002/03 ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 35–53 : Author(s): Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams
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Krill biomass in Area 48 and Area 58: recalculations of FIBEX data
: 10-Trathan-et-al.pdf ... in September 1984. The report of that workshop (Anon., 1986) and other archived material (listed in Anon ... Availability A list of areas surveyed by the 11 vessels concerned is given in Table 1. Survey areas ... in Anon. (1986) were derived using a TS value of -68.10 dB for a mean animal length of 41.4 mm ... an adjustment factor (-10 • log(120/50) = -3.80) to provide the following revised TS/length equation at 50 kHz ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Author(s): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
0 7 0 6 05 0 4 0 3 02 0 9 10 1 1 1 3 14 1 7 1 5 1 6 12 1 8 19 2 0 21 22 23 24 2 5 26 ... in the year in which they were released were omitted. The log-transformed mean was 2.304 (equivalent to 10 ... , whilst retaining the aver- age movement for the whole of South Georgia and Shag Rocks at 10 km/year ... Georgia Figure 3: CPUE density interpolated from all data from 2001 to 2004 in box 14, showing also ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Author(s): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark