Abstract
This is the first study, so far, to monitor the plant species composition and the vegetation cover of different communities occurring in Al Rayn city. This study estimates the vegetation of Al Rayn region of Saudi. A maximum of 19 plant species belonging to 13 different plant families were collected and identified to distribute among four plant communities namely: Rhyzastricta, Pulicariacrispa, Citrulluscolocynthis and Acacia ehrenbergiana.
Highlights
Kingdom of Saudi Arabia is the largest arid land in the Arabian Peninsula, with an area of about 2,250,000 km2
Saudi Arabia is characterized by the diversity of its topography because of its large land forming the bulk of the Arabian Peninsula
Al Rayn city represented by nineteen species related to thirteen families (Table 2)
Summary
Kingdom of Saudi Arabia is the largest arid land in the Arabian Peninsula, with an area of about 2,250,000 km2 It is approximately located between latitude 15o 450 ́ N and 34o 350 ́ N and between longitudes 34o 400 ́ E and 55o 450 ́ E (Al-Shareef 2002 [1]; Miller and Cope 1996) [2]. There is different topography, as there are the mountains, valleys, sand dunes, plateaus, and plains (Al-Nafie 2004) [3] These variations are reflected in the country distinctive ecological habitats, vegetation zones and rich flora. It is endowed with a wide range of ecosystems and species diversity, especially in the southwestern region (Fadl, et al 2015) [4]
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