Edaphic properties and soil cyanobacteria of South Western Saudi Arabia.

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Edaphic properties and soil cyanobacteria of South Western Saudi Arabia.

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dc.contributor.author Arif, I. A. [ابراهيم عبد الواحد عارف] en_US
dc.date.accessioned 2009-11-25T15:34:25Z
dc.date.available 2009-11-25T15:34:25Z
dc.date.issued 1997 en_US
dc.identifier.citation Qatar University Science Journal, 1997, Vol. 17, No. 2, Pages 281-291. en_US
dc.identifier.uri http://hdl.handle.net/10576/10351
dc.description.abstract Three sites at each of five localities, in the South Western Region of Saudi Arabia were surveyed during 1992, for their soil physico-chemical properties, and cyanobacterial communities. The soils were moderately calcareous, and characterized as sandy loam textured and alkaline. Electrical conductivity and total soluble salts ranged between 0.196-2.228 mmhos cm -1 and 137.2-1559.6 ppm, respectively. Calcium was the major soluble cation, and sulphate, chloride and bicarobonate were the principal anions. A total of 22 cyanobacterial and algal species were identified from the 15 soil samples following rehydration and culture in different enriched media. The species included 19 cyanobacteria, 2 Chlorophyta and 1 Bacillariophyta. 7 cyanobacteria: Nostoc edphicum, N. muscorum, Phormidium bohneri, P. favcolarum, P. tenue, Pleurocapsa minor and Synechococcus aeruginosus are new records for the Saudi Arabian Flora. en_US
dc.description.abstract تم عمل دراسة مسحية على خمس مواقع ، ثلاثة بكل منها في المنطقة الغربية من المملكة العربية السعودية عام 1992 م ، وقد استهدفت الدواسة الخوامى الفيزيائية والكيميائية للمواقع ومجتمعاتها الطحلبية ، وقد كانت أنواع التوبة قاعدية الرقم الهيدروجني ومعتدلة الكلسية وتميزت بتركيب رملي طيني ، تراوح التوصيل الكهربي والأملاح الذائية . ar
dc.language.iso en en_US
dc.publisher Qatar University en_US
dc.subject Botany en_US
dc.subject علم النبات ar
dc.title Edaphic properties and soil cyanobacteria of South Western Saudi Arabia. en_US
dc.title.alternative خواص وسيانوبكتيريا التربة في المنطقة الجنوبية الغربية من المملكة العربية السعودية ar
dc.type Article en_US
dc.identifier.pagination 281-291 en_US
dc.identifier.issue 2 en_US
dc.identifier.volume 17 en_US

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