PJB-1986-37
LIFE FORM AND LEAF SIZE SPECTRA AND PHYTOSOCIOLOGY OF SOME LIBYAN PLANTCOMMUNITIES
S.A. QADIR AND
OMAR AHMED SHETVY
Abstract
Life form and leaf size spectra of four ecological
diverse plant communities were studied by Raunkiaerian and quantitative ecological methods. The Raunkiaerian spectra were similar for all the commuinities whereas the spectra based on quantitative basis differentiated the communities physiognomically. The characteristics revealed were Stipa tennassima— Futicose lichen Community on low Calcarious
hills of Turhoona with clay loam soil: chamaephytic and leptophyllus ; Salicornia fruticosa –Aeluropus lagopoides community on saline flat of Zwara with clay loam soil: chamaephytic and nanophyllus; Paraphalis incurva – Lotus sp.- Artemisia compestris community on the sand dunes of Bir ghanam with sandy loam soil : therophytic and leptophyllous and Crepis sp. – Paronychia Arabica – Erodium laciniatum community on abandoned field at Zeltin with sandy clay loam soil: therophytic and microphyllous. The coverage , maturity and homogeneity of
communities were low. Only one community had high maturity.
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