AHA-BUCH

Plant life on the Desert sand dune Ecosystem

Vegetation Ecology of the Aeolian Deposits in some selected Coastal and Inland Areas in Egypt
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ISBN-13:
9783659976117
Einband:
Paperback
Seiten:
200
Autor:
Mahmoud Ali
Gewicht:
314 g
Format:
220x150x12 mm
Sprache:
Englisch
Beschreibung:

99
The plants of the sand dunes of the Egyptian deserts are of much ecological interest. These plants (Psammophytes), when growing in the path of air currents, usually form mounds of accumulated wind - borne material around them but they may be overwhelmed by extensive deposition of sand. They are however, often saved by their ability to produce adventitious roots on stems that are covered by sand, the new shoots replace the buried ones. By this ability, the plant growth keeps ahead of the influx of sand, these plants are good sand collectors and binders, producing phytogenic mounds, hillocks, or dunes. The growth forms and diversity of plant species are correlated with the stages of sand formations e.g: pioneer communities of the foredune have low cover and diversity, being dominated by herbs, young dunes have low cover but with moderate diversity with rhizomatous grasses and shrublets predominate and old dunes have greater total mean cover, with abundant growth of shrubs.