Download Climate - Vegetation: Afro-Asian Mediterranean and Red Sea by M.A. Zahran (auth.), Francis Gilbert (eds.) PDF

By M.A. Zahran (auth.), Francis Gilbert (eds.)

Deserts are detailed ecosystems with their very own biotic and abiotic elements, and are usually wealthy in renewable typical assets, the perfect administration of that can give a contribution considerably to the sustainable administration of barren region areas for the welfare of the people.

Yet whereas there are various books at the flowers of the international locations fringing the real barren region nations of the Mediterranean and crimson Seas, there or few books reporting on their ecophysiology and plants ecology. This e-book offers the crops varieties of the African and Asian nations of the Mediterranean and crimson Sea coastal areas, and discusses the ecological threats and financial purposes of those severe assets. particularly, it examines the relationships among weather and crops, and discusses those in the context of desertification, agro-industrial functions, ecotourism and sustainable development.

The e-book will offer a helpful reference for researchers and graduate scholars curious about plant ecology, biogeography, fiscal botany and environmental administration within the Afro-Asian Mediterranean and purple Sea coastal areas, in addition to different barren region areas round the world.

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Extra info for Climate - Vegetation: Afro-Asian Mediterranean and Red Sea Coastal Lands

Sample text

Desert mountains are usually barren and angular and exhibit primary stages in erosion and weathering. Their surfaces are washed away by rain running off the slopes in gullies or rivulets, or stripped bars by sand particles carried in the wind. The nature of the bed rocks influences their ruggedness; and bare outcrops are common. Smooth rounded surfaces, are exceptional produced by the heating-cooling process of insolation splitting shallow leaves of rock away, leaving a smooth surface. Soil is rare on desert mountains, and where it exists, it is very shallow, accumulating in pockets between rocks in fissures, and providing the only suitable medium for plant life in these mountains.

In autumn only hardy bushes and thorny plants show sign of life, and in general the steppes looks barren ad scorched. The main vegetative cover of the dry steppes and semi-desert is formed of Stipa tenacissima and Lygeum spartum. Desert vegetation occur in the most arid areas in Morocco, Algeria, Tunisia, Libya and Egypt (North Africa) as well as in the Middle East (Israel, Palestine, Jordan, Syria, Iraq. Iran. Saudi Arabia, Turkey and Cyprus). Plants of these deserts show a further degree of adaptation to heat and drought, few parts of the desert are entirely devoid of vegetative life, and there are more species of plants than one might expect (details of the plant life of these arid deserts are described in the following pages).

Pyrenaica, P. brutia, P. halepensis, P. pinea, Cupressus semprevirens, Cedrus libani, Juniperus communis, J. thurifera and J. drupacea. Steppe vegetation evolves in climatic conditions characterized by wide seasonal variation in temperature and low rainfall. Trees are absent and the landscape is one of various species of grasses and bulbous plants. Following the rains of winter the steppe is a scene of luxuriant growth; but this lasts only for a couple of months and begins to wither with the approach of hot, rainless summer.

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