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Vegetation pattern along an edaphic and climatic gradient in the Southern Eastern Desert of Egypt
Author(s) -
Sheded M. G.
Publication year - 1998
Publication title -
feddes repertorium
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.24
H-Index - 25
eISSN - 1522-239X
pISSN - 0014-8962
DOI - 10.1002/fedr.19981090313
Subject(s) - edaphic , vegetation (pathology) , biology , botany , dominance (genetics) , geography , ecology , medicine , biochemistry , pathology , soil water , gene
Vegetation analysis of the Aswan–Allaqi road in the Southern Eastern Desert of Egypt indicates the dominance of Morettia philaeana, Aerva javanica, Fagonia indica, Salsola imbricata, Pulicarica crispa, Crotalaria aegyptiaca, Lotononis platycarpa, Citrullus colocynthis, Pulicaria incisa, Astragalus vogelii and Zygophyllum simplex. Four vegetation clusters are recognized after the application of the Two‐Way Indicator Species Analysis (TWIN‐SPAN). These clusters are named after the dominant species as follows: Fagonia indica – Aerva javanica, Salsola imbricata – Zilla spinosa, Salsola imbricata – Morettia philaeana and Salsola imbricata – Aerva javanica. Among the estimated soil variables in the present study, silt, clay, pH, EC, HCO 3 , CI − , and Ca 2+ are important in characterizing the vegetation clusters.