Vegetation-soil relationships in Wadi el-Rayan Protected Area, Western Desert, Egypt
Joint Authors
Afif, Abd al-Wahhab A.
al-Biali, E. Hattab
al-Sayyid, I. Jabir
Abbas, Muhammad S.
Source
Jordan Journal of Biological Sciences
Issue
Vol. 9, Issue 2 (30 Jun. 2016), pp.97-107, 11 p.
Publisher
The Hashemite University Deanship of Academic Research and Graduate
Publication Date
2016-06-30
Country of Publication
Jordan
No. of Pages
11
Main Subjects
Abstract EN
The present study provides an analysis of the soil and vegetation composition at 10 sites in Wadi El Rayan Protected Area and concentrates on the environmental factors that affect plant species distribution.
A total of 17 vascular plant species belonging to 13 botanical families was recorded.
Poaceae, Chenopodiaceae, and Zygophyllaceae were the largest families identified.
Chorological analysis revealed that 47% of the studied species are Pluri-regional, 41% are Bi-regional and 12% are Mono- regional.
The recorded species extend their distribution all over the Saharo-Arabian (33%) followed by Irano- Turanian (24%), Mediterranean (22%), Palaeotropical (8%), Sudano-Zambezian (5%), Neotropical (5%), and Euro- Siberian (3%).
The life-form spectrum revealed that the phanerophytes (35%) and geophytes helophytes (23%) are the most frequent, followed by chamaephytes (18%), therophytes (12%), hemicryptophytes (6%), and helophytes (6%).
The dominant species were Phragmites australis, Tamarix nilotica and Zygophyllum album; while the co-dominant species were Juncus rigidus, Nitraria retusa, Alhagi graecorum, Typha domingensis, Zygophyllum coccineum and Eucalyptus camaldulensis.
Variation in species diversity among different locations were evident, the Northeast of the Lower Lake(9 species), followed by the Southwest of the Lower Lake and the Northeast of the Upper Lake(6 species each) showed highest species richness, while the Southeast of the Lower Lake showed the lowest recorded species richness (one species).
Detrended Correspondence Analysis (DCA) and Canonical Correspondence Analysis (CCA) Ordination techniques were used to examine the relationship between the vegetation and soil parameters; pH, electric conductivity, CaCO3, organic matter and relative concentrations of cations.CCA analysis showed positive correlations of species and sites along the most important ecological gradients.
Both ordination techniques clearly indicated the importance of these ecological factors on the distribution of the vegetation pattern in the area
American Psychological Association (APA)
Abbas, Muhammad S.& Afif, Abd al-Wahhab A.& al-Biali, E. Hattab& al-Sayyid, I. Jabir. 2016. Vegetation-soil relationships in Wadi el-Rayan Protected Area, Western Desert, Egypt. Jordan Journal of Biological Sciences،Vol. 9, no. 2, pp.97-107.
https://search.emarefa.net/detail/BIM-811691
Modern Language Association (MLA)
Abbas, Muhammad S.…[et al.]. Vegetation-soil relationships in Wadi el-Rayan Protected Area, Western Desert, Egypt. Jordan Journal of Biological Sciences Vol. 9, no. 2 (Jun. 2016), pp.97-107.
https://search.emarefa.net/detail/BIM-811691
American Medical Association (AMA)
Abbas, Muhammad S.& Afif, Abd al-Wahhab A.& al-Biali, E. Hattab& al-Sayyid, I. Jabir. Vegetation-soil relationships in Wadi el-Rayan Protected Area, Western Desert, Egypt. Jordan Journal of Biological Sciences. 2016. Vol. 9, no. 2, pp.97-107.
https://search.emarefa.net/detail/BIM-811691
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 106-107
Record ID
BIM-811691