瓦迪阿雷尔的植物区系多样性和植被分析：沙特阿拉伯北部边境地区的典型沙漠河谷。
Floristic diversity and vegetation analysis of Wadi Arar: A typical desert Wadi of the Northern Border region of Saudi Arabia.
机构信息
Biology Department, Faculty of Science, Northern Border University, Arar, Saudi Arabia ; Botany Department, Faculty of Science, South Valley University, Qena, Egypt.
Biology Department, Faculty of Science, Northern Border University, Arar, Saudi Arabia ; Botany and Microbiology Department, College of Science, King Abd El-Aziz University, Jeddah, Saudi Arabia.
出版信息
Saudi J Biol Sci. 2014 Dec;21(6):554-65. doi: 10.1016/j.sjbs.2014.02.001. Epub 2014 Feb 18.
Wadi Arar in the Northern border region of Saudi Arabia is one of the most important Wadis of the Kingdom. The present study provides an analysis of vegetation types, life forms, as well as floristic categories and species distribution. A total of 196 species representing 31 families of vascular plants were recorded. Compositae, Gramineae and Leguminosae were the most common families. Therophytes and chamaephytes are the most frequent life forms, indicating typical desert spectrum vegetation. The distribution of these species in the different sectors of the Wadi as well as the phytochoria for the recorded species is provided. Ninety-one species (46.5%) are typical bi-regional. Furthermore, about 105 species (53.5%) are mono- or pluriregional taxa. The highest number of species (136 or 69.5%) was recorded for annual plants, while the lowest number of species (60% or 30.5%) was recorded for perennial, short perennial or annual to biennial species.
沙特阿拉伯北部边境的瓦迪阿雷尔是王国最重要的瓦迪之一。本研究对植被类型、生活型以及植物区系分类和物种分布进行了分析。共记录了 196 种维管植物，代表 31 科。菊科、禾本科和豆科是最常见的科。高位芽植物和地面芽植物是最常见的生活型，表明这是典型的沙漠植被谱。提供了这些物种在瓦迪不同区域的分布以及记录物种的植物区系的分布。91 种（46.5%）是典型的双区种。此外，约 105 种（53.5%）是单区或多区种。一年生植物的物种数量最多（136 种或 69.5%），而多年生、短多年生或一年生至二年生植物的物种数量最少（60%或 30.5%）。
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