Algerian Sahara
Screening for genes coding for putative antitumor compounds, antimicrobial and enzymatic activities from haloalkalitolerant and haloalkaliphilic bacteria strains of Algerian Sahara soils
... of Algerian Sahara Desert, to our knowledge, this is the first time to use the molecular screening of these genes coding for putative antitumor compounds to analyse Algerian ...
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Isolation and Characterisation of Actinobacteria from Algerian Sahara Soils with Antimicrobial Activities
... It is worthy to mention that the crude extracts from the isolates showed antimicrobial activity against Gram-negative bacteria since, in general, they are more resistant to antimicrobial compounds than the Gram-positive ...
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Hydrochemistry and geothermometry of an Albian aquifer from Oued Righ region in northeastern Algerian Sahara
... The area is located in the northeastern Algerian Sahara. It is limited by large chotts and the piedmonts of Zab to the north, by the Mio-Pliocene and Turonien plateaus of the dorsal Mozabite and Daias ...
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DESERT TRUFFLES OF THE NORTH ALGERIAN SAHARA: DIVERSITY AND BIOECOLOGY
... The present taxonomic and bioecological study of desert truffles, conducted for the first time in Northern Algerian Sahara, has identified three species T. arenaria, T. claveryi and T. nivea. These species, ...
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Flavone and flavone glucoronide from Zillamacroptera L (Brassicaceae) Growing in Algerian Sahara
... Natural products have served as an important source of drugs since ancient times and about half of the useful drugs today have been derived from plants. Recently, the search for drugs derived from plants has accelerated. ...
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Phytochemical Composition, Antioxidant and Antimicrobial Activities of Ammodaucus Leucotrichus Fruit from Algerian Sahara
... The maximum percentage inhibition of DPPH free radical at 517 nm is exhibited by ascorbic acid about 93.56 to 99.00%; followed by methanol extract, Quercetin, BHA, essential oil and aq[r] ...
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Identification of dominant hydrogeochemical processes for groundwaters in the Algerian Sahara supported by inverse modeling of chemical and isotopic data
... Ouargla’s region and the entire lower Sahara has expe- rienced during its long geological history alternating ma- rine and continental sedimentation phases. During Secondary era, vertical movements affected the ...
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Antioxidant activities, phenolic, flavonoid and tannin contents of endemic Zygophyllum Cornutum Coss. from Algerian Sahara
... Zygophyllum cornutum Coss. is an endemic plant growing in the northern Sahara of Algeria. It is used in traditional medicine against diabetes, hypertension and dermatitis. The antioxidant activities of the crude ...
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A New Trend in Tourism Industry
... the Algerian Sahara are, among the planetary deserts, the ones which necessitate a ...the Algerian Sahara, finds in the American desert familiar ...
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Evaluation and Characterization of Black Rat (Rattus Rattus) Population in the Phoenicultural Environments of Algeria
... hangars were characterized by the weakest efforts. In an agricultural area located in the region of Souf (Algerian Sahara), Alia et al. (2015) indicated abundances ranging between 5 and 17.6%. In Morocco, ...
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Chitinozoans and the age of the Soom Shale, an Ordovician black shale Lagerstätte, South Africa
... A second species of Spinachitina, here named Spinachitina verniersi n. sp., has been recovered from the Soom Shale Member. This form has also been found (under various names, see below in the systematics section) in the ...
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Location and Characterization of Breeding Sites of Solitary Desert Locust Using Satellite Images Landsat 7 ETM+ and Terra MODIS
... In the Saharan zone, it is known that the presence of various mountain ranges proves to be crucial to the locust by the wadis networks associated [39]. These wadis concentrate rainwater and can create conditions for ...
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Algerian National Culture and TQM
... the Algerian national culture and the TQM ...the Algerian context: the collectivism dimension is appropriate, the power distance and uncertainty avoidance dimensions are not ...
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Impact of COVID-19 on Education in Sub-Saharan Africa
... The eruption of the COVID-19 pandemic has affected every sphere of life and may forever change how we have always lived and conducted our businesses, and no one can resist the wind of change that is blowing. Of all the ...
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The People of the Green Sahara
... The Southern Sahara Desert was at one time a lush wetland that supported numerous species. A change in climate about 12,000 years ago caused significant rainfall in the region (Gwin 2008). In the location of ...
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An interim evaluation of the Sahara Project
... the Sahara Project to help to break down the barriers to help- seeking by raising awareness and demonstrating that the service is open to all women (not just non- GRT women), and working with the community to ...
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Nouvelles donnees sur lesvoies de migration et les quartiers d'hiver du pouillot iberique phylloscopus ibericus
... du Sahara comme, par exemple, dans le Sahara Atlantique Marocain où l’espèce a été signalée une vingtaine de fois entre début décembre et début février (Bergier et ...le Sahara Atlantique Marocain et ...
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A macroeconomic evaluation for cost-effective lake transportation in Malawi
... the Algerian National Service of the Coast Guard CNSCG) which does not carry out any accident investigation, falls within the Navy under the Ministry of ...
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Tabibas and the Success of Procreation in Western Sahara
... The most unusual aspect of the Midnight Terror Cave faunal assemblage is that 144 of the 685 recovered elements, comprising 21% of the vertebrate fauna, have been identified a[r] ...
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The Evolution of the Algerian Banking System
... The Algerian banks have suffered from the insolvency problem that was aggravated by the critical situation of the state-owned-enterprises that failed to attain their objectives and hence impeded the banks' ...
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