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Assessment of krill flux factors in waters of South Orkney Islands during summer 1996
) was located in the zone of interaction between waters of the Antarctic Circumpolar Current (ACC ... of interaction between waters of the Antarctic Circumpolar Current (ACC) and the Weddell Sea. The study area ... in Subarea 48.2. The study area (S0 X 240 n miles) was located in the zone of interaction between waters ... . A oceanographic stations; 1-16 sections of the boundary of the study area used to estimate krill flux and water ... Georgia). In order to assess the overall pattern of krill flux over the Atlantic Antarctic Section (AAS ... (ACC) and the Weddell Sea interact and have a fundamental impact on the overall pattern of krill flux ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 195–204 : Author(s): Kasatkina, S.M., V.N. Shnar, M.I. Polischuk, A.M. Abramov and V.A. Sushin
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Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments
has been published (Appleyard et al., 2001; Smith et al., 2001; Smith and McVeagh, 2000) which ... on a more local scale are less well defi ned; Appleyard et al. (2001) found very few genetic differences ... , k = 0.029 year-1, t0 = -2.56; data from SC-CAMLR, 2001). The tagged fi sh then grow each day according ... and M = 0.16 (SC-CAMLR, 2001). As tagged fi sh are released in a group, they may not immediately mix ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Author(s): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb
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Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels
-system longline vessels to attach 8.5 kg weights at 40 m intervals on longlines to minimise interactions ... at 40 m intervals on longlines to minimise interactions with seabirds. The weights typically used ... on longlines to minimise interactions with seabirds. The weights typically used are collections of rocks ... interactions avec les oiseaux de mer. Les lests sont généralement constitués d'un un sac en filet contenant un ... interactions with seabirds. Spanish- system longlines are particularly dangerous to seabirds in the first ... lines are payed out from opposing sides of the vessel. The hook line is kept in sections in baskets ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Author(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
48.4 (the South Sandwich Islands) since 1992. The following sections use a question and answer ... . The section headings state the questions, and the answers present any evidence available from the primary ... in the next section. This implementation results in a precautionary exploitation rate (the percentage ... . (2002). The section headed ‘Is current management precautionary for the krill stock?’ pre- sents ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Author(s): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins
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A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia
; for otoliths, we used transverse sections prepared by baking and grinding the posterior and anterior sides ... impressions on acetate slides; for otoliths, we used transverse sections prepared by baking and grinding ... CCAMLR Scicrzce, Vol. 8 (2001): 75-92 A COMPARISON ... ; for otoliths, we used transverse sections prepared by baking and grinding the posterior and anterior sides ... avons pris des elnpreintes sur des lames d'acktate; pour les otolithes, nous avons utilise des sections ... 5, but were distinct on fin-ray sections; validation of older fish was necessary to prevent errors in age ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Author(s): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson
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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