Résultats de la recherche
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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 ... 40 m intervals on longlines to minimise interactions with seabirds. The weights typically used are ... m pour réduire au minimum les interactions avec les oiseaux de mer. Les lests sont généralement ... to reduce interactions with seabirds. Spanish- system longlines are particularly dangerous to ... -way interac- tion was not significant (P > 0.1) but the three-way interactions of fishing method x ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Auteur(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon
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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 ... HYDROACOUSTIC ASSESSMENTS M.C. Macaulay Abstract Two primary issues are at question for hydroacoustic ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Auteur(s): Macaulay, M.C.
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Assessing the power to detect systematic change in Adélie penguin foraging trip duration
. An important outcome of this study is that it focuses attention on the interaction and balance ... sea ice concentrations, June to September 2001. Maslanik, J. and J. Stroeve (Eds). Boulder, CO ... . Merenlender. 2000. Faunal indicator taxa selection for monitoring ecosystem health. Biol. Cons., 92 (2): 185 ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Auteur(s): Southwell, C., J. Clarke and L.M. Emmerson
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A balanced model of the food web of the Ross Sea, Antarctica
Paper Title: A balanced model of the food web of the Ross Sea, Antarctica Abstract / Description: A quantitative food web of the Ross Sea is presented here as a step towards investigating ecosystem effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). The model consolidates
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Auteur(s): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index
Table 2, and “:” specifi es an interaction. The consistently best, minimal random-effects model was ... from November to February, and stayed constant until August, then decreased from September onwards ... operations took place from August onwards. In Subarea 48.3, predicted values were constant from April to ... predictions of CPST in Figure 7 from September to October in Subarea 48.1 and August to October in Subarea ...
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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Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone
stock abundance. Punt et al. (2001) investigated mean length and the upper 5th percentiles of length ... Reference year 2000 First year of projection 2001 Years to project stock in simulation 60 y Reference ... function and life-history characteristics (see e.g. Ehrhardt and Ault, 1992; Punt et al., 2001; Somerton ... . 2001. Evaluating empirical indicators and ref- erence points for fisheries management: ap- plication to ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Auteur(s): Ziegler, P.E., D.C. Welsford and A.J. Constable
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
CCAMLR Scie~~ce, Vol. 8 (2001): 25-36 ANALYSIS OF ... animals. Ichii et al. (1998) suggested that the result of interactions between ontogenetic migration and ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Auteur(s): Kawaguchi, S. and K. Segawa
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Environment–krill relations in the South Georgia marine ecosystem
usually took place from April-May to August-September (Figure Z), although the start and finish times ... seasonal curves showed positive transport (i.e. from north to south) i n February and August-November ... sector between August and October and reached its southern limit in February (Figure 6). The maximum ... at 30°W in the next June-August. 0 - 4> - O 00 - : 0 r = 0.91 3 4-4 E ffl a E k- O ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Auteur(s): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky
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A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels
fishing activities in waters around the island of South Georgia on 24 August 2013 (Figure 3). Typical ... (Higginbottom et al., 2008; Diner, 2001) to the 120 kHz data. Parameters used for detecting krill swarms are ... . ICES J. Mar. Sci., 60 (3): 625–635. Diner, N. 2001. Correction on school geometry and density ... sample collection during normal fishing activities around South Georgia on 24 August 2013. ‐38.5 ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Auteur(s): Wang, X., J. Zhang and X. Zhao
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Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground
Constable (2008). Updating Candy and Constable (2008), the total releases up to August 2009 for Grounds ... estimate of σC reached its upper bound of 2.0. The estimated value of F for 2001 and 2008 reached its ... most of the catch is predicted to be taken in 2001, indicate that predic- tions from the BODE model ... may be expected for fish that are released from trawl gear due to their relatively brief interaction ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Auteur(s): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins