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Authors El-Keblawy, A; Abdelfatah, MA
Author Full Name El-Keblawy, Ali; Abdelfatah, Mahmoud Ali
Title Impacts of native and invasive exotic Prosopis congeners on soil properties and associated flora in the arid United Arab Emirates
Source JOURNAL OF ARID ENVIRONMENTS
Language English
Document Type Article
Author Keywords Allelopathy; Desert habitats; Invasive plants; Native plants; Soil salinity; Species diversity
Keywords Plus PLANT INTERACTIONS; NURSE PLANTS; FACILITATION; GROWTH; RESTORATION; PRODUCTIVITY; INTERFERENCE; GERMINATION; UNDERSTOREY; TREES
Abstract The native Prosopis cineraria and exotic invasive P. juliflora are present in arid habitats of the United Arab Emirates (UAE). The objective of this study was to assess the impacts of allelopathy and soil properties on plants associated with the two species in arid deserts. Density and other community attributes of the associated species were assessed beneath, at the margin and outside the canopies of 20 Prosopis individuals. Aqueous extracts of fresh and old leaves of both Prosopis species were assessed on germination of five native plants. Soil samples were collected from beneath and next to canopies of the two species and their chemical properties were analyzed. The effect on the associated flora was depressive for P. juliflora, but was positive for P. cineraria canopy. The depressive effect of P. juliflora was more obvious on the annual compared with perennial plants. The negative effect of the aqueous extract of P. juliflora was much greater on germination, especially for annual plants. Canopies of both species improved soil properties that would facilitate the association of other native plants. The allelopathic effect of P. juliflora, however, may override its facilitative effect and consequently resulted in a depressive effect on the associated flora. (C) 2013 Elsevier Ltd. All rights reserved.
Author Address [El-Keblawy, Ali] Sharjah Univ, Fac Sci, Dept Appl Biol, Sharjah, U Arab Emirates; [Abdelfatah, Mahmoud Ali] Environm Agcy Abu Dhabi, Soil Qual Dept, Abu Dhabi, U Arab Emirates; [Abdelfatah, Mahmoud Ali] Fayoum Univ, Fac Agr, Soils & Water Sci Dept, Al Fayyum, Egypt; [El-Keblawy, Ali] Suez Canal Univ, Fac Educ Al Arish, Dept Biol, Ismailia, Egypt
Reprint Address El-Keblawy, A (corresponding author), Sharjah Univ, Fac Sci, Dept Appl Biol, POB 27272, Sharjah, U Arab Emirates.
E-mail Address akeblawy@sharjah.ac.ae
ORCID Number El-Keblawy, Ali/0000-0003-4448-6236; Abdelfattah, Mahmoud/0000-0002-6337-7978
Times Cited 20
Total Times Cited Count (WoS, BCI, and CSCD) 21
Publisher ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Publisher City LONDON
Publisher Address 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
ISSN 0140-1963
29-Character Source Abbreviation J ARID ENVIRON
ISO Source Abbreviation J. Arid. Environ.
Publication Date JAN-FEB
Year Published 2014
Volume 100
Beginning Page 1
Ending Page 8
Digital Object Identifier (DOI) 10.1016/j.jaridenv.2013.10.001
Page Count 8
Web of Science Category Ecology; Environmental Sciences
Subject Category Environmental Sciences & Ecology
Document Delivery Number 275YZ
Unique Article Identifier WOS:000328716600001
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