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Multivariate analysis of vegetational variation in different habitats at Omayed, Egypt by M. Abdel-Razik; M. Abdel-Aziz; M. Ayyad is a Environmental Science article available to read on EtoBox.

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The application of indicator species analysis has proved useful in classifying stands into groupings coinciding with topographic variations. 41 indicator pseudo-species are identified in the vegetation along a phytosociological gradient: some are characteristic of specific habitats, and the others indicate transition between groups of habitats. The use of qualitative estimations (transformed density records) in multivariate analysis in the present study indicates that they may be more preferable than quantitative estimations, because of their easy and fast recording in the field, and the less comprehensive computations, while yielding precise results. The X-axis of the reciprocal averaging ordination is related to the salinity and fertility gradients, while the Y-axis reflects soil texture. The phytosociological gradients of the canonical variate axes reflect essentially contrasts between groups of species, each correlated with one or the other of the environmental gradients. Comparing the results obtained by the two ordination methods (reciprocal averaging and canonical variates) we find that the first method detects the overall phytosociological changes along strong environmental

Who reads Multivariate analysis of vegetational variation in different habitats at Omayed, Egypt?

Author

M. Abdel-Razik; M. Abdel-Aziz; M. Ayyad

Publisher

Springer-Verlag; Kluwer Academic Publishers; Springer Science and Business Media LLC (ISSN 1573-5052)

Published

1984

Language

EN

Field

Environmental Science (Physical Sciences)