Resultados de la búsqueda
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Assessing the power to detect systematic change in Adélie penguin foraging trip duration
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 : Autor(es): Southwell, C., J. Clarke and L.M. Emmerson
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Management and assessment options for the crab fishery around South Georgia
Article I1 of the CCAMLR Convention. In the final section, we consider the assessment methodologies and ... established and investigated to address issues such as their efficiency and design. It is clear that we do ... D.C. Reed. 1993. Conceptual issues relevant to marine harvest refuges: examples from temperate reef ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Autor(es): Basson, M. and D.D. Hoggarth
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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 : Autor(es): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill
(Hofmann et al., 1998; Murphy et al., 1998; Murphy and Reid, 2001; Siegel et al., 2003; Tarling et al ... based on maximum age. Murphy and Reid (2001) suggested that a value of 1.25 produced the best match ... 0.610 0.268 1998 0.279 n/a 0.690 0.462 1999 0.022 n/a 0.168 0.042 2000 n/a n/a n/a n/a 2001 0.106 n ... Bellingshausen Sea (LTER) and the West area of the AMLR grid. There are two general issues to consider con ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Autor(es): Kinzey, D., G. Watters and C.S. Reiss
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A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
and interactions between the host and parasite populations. A summary review of current knowledge ... is given in the next section. The basics of the host-parasite model are presented here under the ... interactions and characteristics of the system is built on the basis of current knowledge and ecological ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Autor(es): Basson, M
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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 ... -frequency data, although issues with regards to ageing errors of otoliths and the representativeness of ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Autor(es): 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 : Autor(es): 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 : Autor(es): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky
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Target strengths of krill at 136 and 20 kHz
the numerical distributional characteristics of back-scattering cross section (estimate of ... . 1985. Report of the Post-FIBEX Workshop in August 1984. BIOMASS Report Series No. 40. ANON. 1986 ... back-scattering cross section. In: Selected Scientific Papers, 1986 (SC-CAMLR-SSPI3) 1986, CCAMLR ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Autor(es): Kasatkina, S.M.
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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 : Autor(es): Wang, X., J. Zhang and X. Zhao