The aim of the present study was to survey and record the plant species associated with Citrullus colocynthis in different altitudinal localities in the West of Saudi Arabia. Depending on the presence of Citrullus colocynthis L. species, seven stands on the West of Saudi Arabia; expending from 25 m up to 2220 m a.s.l. height and 330 km long were selected for this study. Soil samples were collected from the studied localities and the soil properties were investigated. Also, plant species associated with C. colocynthis were collected, recorded and prepared as herbarium specimens. The studied localities were represented by different ecological, geographical and edaphic sites. A list of 127 species belonging to 41 families present in all locations was recorded. Calotropis procera was the representative species with C. colocynthis in all localities. The percentage of presence of the associated species were different between species in each location and also from location to other. Three different ecological areas could be distinguished in the study area. The area near the red sea characterized by salty sandy soil and low vegetation represented the first area. The second one was the coastal plain and West slope which characterized by low rainfall and xerophytic plants. The third one was the mountainous area which characterized by high altitude, more rainfall and high density of vegetation.
We present the analysis of photometric, spectroscopic and morphological
Properties for differently selected samples of early-type galaxies up to z=1
Extracted from the zCOSMOS-20k spectroscopic survey. This analysis intends to
Explore the dependence of galaxy properties on the selection criterion ad...
We discuss the characterisation of the gains from the new primary spectrometer,
Including a larger guide and double focussing monochromator, and present
Measurements of the energy and momentum resolution and of the neutron flux of
The instrument. We found an order of magnitude gain in intensity (at...
Physalin A (1) is a withanolide isolated from Physalis alkekengi var. franchetii. In this study, the selective growth inhibitory effects on tumor cells induced by 1 were screened, and the mechanism was investigated on 1-induced growth inhibition, including apoptosis and autophagy, in...
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