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Authors Salama, F; El-Ghani, MABD; Gadallah, M; El-Naggar, S; Amro, A
Author Full Name Salama, Fawzy; El-Ghani, Monier Abd; Gadallah, Mohamed; El-Naggar, Salah; Amro, Ahmed
Title Characteristics of desert vegetation along four transects in the arid environment of southern Egypt
Source TURKISH JOURNAL OF BOTANY
Language English
Document Type Article
Author Keywords Species diversity; detrended correspondence analysis; canonical correspondence analysis; Egypt; plant communities; vegetation-environment relationships
Keywords Plus SAINT-CATHERINE AREA; PLANT-COMMUNITIES; EASTERN DESERT; SINAI; PATTERNS; NEGEV
Abstract The floristic diversity and vegetation-environment relations in the southern part of the Eastern Desert, between 26 degrees 45'N and 24 degrees 1'N and between 32 degrees 45'E and 35 degrees 00'E and covering a total area of about 54,500 km(2), were investigated. For this purpose, 142 georeferenced stands distributed in four transects were selected: 22 from Qena-Safaga road (T1), 28 from Idfu-Marsa Alam road (T2), 46 from Aswan-Kharit-Gimal (T3), and 46 from Red Sea Coastal Plain (T4). Altogether, 94 species belonging to 33 families were recorded, and the species richness (SR) varied from one transect to another: 46, 35, 52, and 46 in T1, T2, T3, and T4, respectively. Soil samples were collected from each stand, and the soil texture, soil moisture content, organic matter (OM), electric conductivity (EC), total soluble salts (TSS), pH, and major ions (Na+, K+, Ca+2, Mg+2, C-l-, SO4-2, and HCO3-) were determined. The soil-vegetation relationships were assessed by both detrended correspondence analysis and canonical correspondence analysis. Both species diversity measurements (SR and H') exhibited significant differences among the separated vegetation groups within each transect. Classification of the vegetation resulted in 6, 7, 4, and 6 vegetation groups for T1, T2, T3, and T4, respectively. Canonical correspondence analysis showed well the relative positions of species and sites along the most important ecological gradients. The segregation of these groups along the first two axes of the biplot demonstrated that soil texture, moisture content, salinity, sulfates, and organic matter contents were highly correlated with the distribution of species.
Author Address [Salama, Fawzy; Gadallah, Mohamed; El-Naggar, Salah; Amro, Ahmed] Assiut Univ, Fac Sci, Dept Bot, Assiut, Egypt; [El-Ghani, Monier Abd] Cairo Univ, Fac Sci, Dept Bot & Microbiol, Herbarium, Giza, Egypt
Reprint Address Salama, F (reprint author), Assiut Univ, Fac Sci, Dept Bot, Assiut, Egypt.
E-mail Address fawzysalama2020@yahoo.com
ORCID Number El-Ghani, Monier Abd/0000-0002-9077-424X
Times Cited 2
Total Times Cited Count (WoS, BCI, and CSCD) 2
Publisher TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY
Publisher City ANKARA
Publisher Address ATATURK BULVARI NO 221, KAVAKLIDERE, ANKARA, 00000, TURKEY
ISSN 1300-008X
29-Character Source Abbreviation TURK J BOT
ISO Source Abbreviation Turk. J. Bot.
Year Published 2016
Volume 40
Issue 1
Beginning Page 59
Ending Page 73
Digital Object Identifier (DOI) 10.3906/bot-1403-108
Page Count 15
Web of Science Category Plant Sciences
Subject Category Plant Sciences
Document Delivery Number CY4YJ
Unique Article Identifier WOS:000366414500006
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