Abdulaziz M. Assaeed

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Raudhat Khuraim is a depression of extensive pans against a sand dune belt to the east of Irq Faydat Khuraim, located about 100 km north-east of Riyadh, Saudi Arabia. The Area collects water rain-flow from three watercourses draining eastwards. The area is liable for flooding. Therefore, soil water retention of the Raudhat is higher for a long time than the(More)
Naturalized populations of buffelgrass (Cencchrus ciliaris L.) grow wild in some range areas and around farms in the Kingdom of Saudi Arabia. However, no attempt was made to study forage yield potential of these populations for use in range improvement or as a forage crop with low water requirement. This study was conducted to evaluate 24 seed sources(More)
Mounds originating from wind-blown sediment accumulation beneath vegetation (nebkhas) often indicate land degradation in dry areas. Thus far, most nebkha research has focused on individual plants. Here, we aimed to explore population-scale processes (up to scales of about 100 m) that might explain an observed nebkha landscape pattern. We mapped the Rhazya(More)
Livestock grazing is one of the main causes of rangeland degradation in Saudi Arabia. Fencing to exclude grazers is one of the main management practices used to restore vegetation and conserve biodiversity. The main objectives of this study were to investigate the changes in plant diversity and abundance, floristic composition and plant groups of the major(More)
This study aimed to assess genetic variability at molecular and phytochemical levels among the four most commonly grown olive cultivars and the wild-type olive of Saudi Arabia. Sixty-six and 80 amplicons were generated from 9 random amplified polymorphic DNA (RAPD) and inter simple sequence repeats (ISSR) primers, each, producing an average of 95.9 and(More)
Salsola villosa is perhaps the most important browse species in Saudi Arabia. It was once a dominant shrub in the northern region. Now it can only be found in protected areas due to heavy grazing. Despite the importance of the species, little is known about its autecology. The objectives of this study were to determine the effects of temperature, water(More)
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