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Statistical Ecology
Accompanied by external appendix entitled: Flexible computing in statistical ecology / Laszlo Orloci. London, Canada: Scada Pub., 2011. (142 p.: ill.; 23 cm.)
Data-processing in phytosociology
(RANKIN) of equivocation information (1-:) and interaction information (M). The method is described in the present paper for I: and in a previous paper (Orloci, 1976) for M. The results presented in this paper suggest that for Species Rank order Information Percentage of total* species to be weighted according to their suitability to I· M I M r M characterize isolated groups of releves in a phytosociolo 5 7 54.15 2.31 17.97 0.82 gical table, the equivocation information may serve as a 9 5 49.86 23.19 16.55 8.22 3 3 9 47.79 0.56 15.86 0.20 suitable weight. The appropriate formulations are derived 6 4 8 36.18 1.18 12.01 0.42 4 5 3 24.36 59.34 8.09 21.03 and computed for some data from a salt marsh community. 8 6 4 24.25 39.04 8.05 13.84 10 7 I 21.96 71.17 7.29 25.23 7 8 2 18.67 69.01 6.20 24.46 9 10 18.40 6.11 10 6 5.64 16.31 1.87 5.78 References Total 301.00* 282.11 * 100.00 100.00 Feoli, E. 1973. An index for weighing characters in monothetic classifications. (Italian with English summary). Giorn. Bot. Ita!' 107: 263-268. Gower, J.e. 1967. A comparison of some methods of cluster is a monotone, increasing function of sample size if .. ).
Multivariate Methods in Ecological Work
The past decade has seen a grat increases in the level of interest in bringing multivariate techniques to bear on problems in ecology. In some cases the approach has been to simply apply one of the standard multivariate techniques. In other cases the uniqueness of the ecological problem has required that new ans innovative techniques be development.
Information Report
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Looking Back
LOOKING BACK... tells a personal story that begins in the '30s, a time of peace, order and prosperity for the author's family, and ends in 2012 when the idea of the book was first conceived. The story offers recollections of the pre-World War II period, the war years and their aftermath under Soviet occupation and ruthless dictatorial rule, the author's involvement in the 1956 Hungarian revolution that failed, and finally freedom and academic carrier in Canada. A substantial part of the narrative portrays the author's professional life framed by two questions. How did statistical ecology affect him? And, how did he, a forest engineer, affect statistical ecology? Seventeen sections take up selected topics interconnected but not in strict chronological order.
Bulletin
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Nature and Resources
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