Ecology of Centaurea calcitrapa L. and Centaurea glomerata Vahl in the Mediterranean coast of Nile Delta, Egypt

Document Type : Research Article

Authors

Botany Department, Faculty of Science, Mansoura University, Egypt

10.21608/mjb.2020.460398

Abstract

Centaurea is a genus from family Asteraceae that is featured by ethnobotanical properties and in used in folk medicine for treatment of various diseases. This work aims to identify abundance and distribution pattern of Centaurea calcitrapa and C. glomerata as well as, soil factors controlling their distribution in Mediterranean coast of Egypt. The results showed that floristic feature analysis to the study area revealed 65 species belongs to 24 families, the most recorded species were therophytes of Mediterranean origin. The analysis of Two Way Indicator Species Analysis (TWINSPAN) revealed six clusters (A-D); the indicator species were as follow, cluster A, Juncus acutus; cluster B, Centaurea calcitrapa; cluster C, Centaurea glomerata and cluster D, Plantago squarrosa. Canonical Correspondence Analysis (CCA) indicated that the major efficacious environmental agents (soil) that affect the distribution of C. calcitrapa, were water holding capacity (WHC), silt, clay, OC, K, P and N, while the controlling factors of C. glomerata were sand and CaCO3. 

Keywords

Mansoura Journal of Biology
Volume 49, Issue 4
December 2020
Pages 80-87

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