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Publication Type J
Authors Konig, P. and O. Fried
Title Plant communities on the NE coast of Oman and their site conditions
Source Phytocoenologia
Author Keywords C-4 plants cluster analysis coastal vegetation halophyte plant sociology transect technique saudi-arabia photosynthetic pathways ecological distribution soil indicators eastern arabia jazan region vegetation halophytes growth plains
Abstract The coast of Oman harbours a set of mostly halophytic plant communities. The NE coastline from Muscat to Ras al-Hadd, comprising about 200 km, was chosen for a detailed analysis of the vegetation by means of edaphic parameters, a semi-quantitative transect technique and releves based on the Braun-Blanquet method. Additionally, the relationship between photosynthetic pathway types and environmental factors was examined. Thus, complementary data on vegetation, environmental conditions and ecophysiology were comparatively evaluated. The main differentiating environmental factors causing the observed spatial patterns are salinity, water content and soil type. Sheltered lagoons are characterized by patchy mangrove vegetation with Avicennia marina. The supralittoral zone around lagoons exhibits extremely high salt contents and is home to the Halopeplis perfoliata community. Sand dunes are dominated by a Cyperus con glomeratus community, which is followed by a Heliotropium-Limonium community further onshore. The coastal plains outside the salt influence merge into open xeromorphic scrubland with Acacia species. Phytosociologically, the communities belong to the classes Avicennio-Sonneratietea, Halopeplido-Suaedetea and Acacietea tortilis. Altogether, 68 species were counted as contributing to the vegetation. Twenty of them are C-4 species growing mainly on particularly dry and salty sites.
Author Address [Koenig, Peter] Ernst Moritz Arndt Univ Greifswald, Inst Bot & Landscape Ecol, Bot Garden, D-17487 Greifswald, Germany. [Fried, Oliver] Univ Gottingen, Albrecht Von Haller Inst Plant Sci, Dept Vegetat & Phytodivers Anal, D-37073 Gottingen, Germany. Konig, P (reprint author), Ernst Moritz Arndt Univ Greifswald, Inst Bot & Landscape Ecol, D-17487 Greifswald, Germany. pkoenig@uni-greifswald.de
ISSN 0340-269X
ISBN 0340-269X
Publication Date Nov
Year Published 2015
Volume 45
Issue 3
Beginning Page 269-290
Digital Object Identifier (DOI) 10.1127/phyto/2015/0027
Unique Article Identifier WOS:000365833200003
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