نتایج جستجو برای: east and central africa
تعداد نتایج: 16930528 فیلتر نتایج به سال:
The phenology and routes of long-distance migrations European Nightjars are well described for Western individuals migrating within the East Atlantic Mediterranean flyways, while little is known about populations from other parts Eurasian breeding range. We describe route choice timing in eastern Mongolia, Asia–East Africa flyway to reach wintering destinations South-East Africa. After covering...
BACKGROUND Evidence suggests that schizophrenia may have a better outcome for individuals living in low- and middle-income countries compared with affluent settings. AIMS To determine the frequency of symptom and functional remission in out-patients with schizophrenia in different regions of the world. METHOD Using data from the Worldwide-Schizophrenia Outpatient Health Outcomes (W-SOHO) st...
A maximum parsimony tree of 21 complete mitochondrial DNA (mtDNA) sequences belonging to haplogroup X and the survey of the haplogroup-associated polymorphisms in 13,589 mtDNAs from Eurasia and Africa revealed that haplogroup X is subdivided into two major branches, here defined as "X1" and "X2." The first is restricted to the populations of North and East Africa and the Near East, whereas X2 e...
the neogene intrusion masses in the noudeh-enghelab area located to the north of sabzevar ophiolite have cut the late cretaceous ophiolitic rocks, sedimentary- volcanic and eocene volcanic rocks and have been covered by pliocene and quaternary deposits. the margin is of lava with basalt, phyric andesite-basalt and andesite and the central parts (dome shaped) composed of phyric andesite-trachyan...
Adequate nutrition is essential in early childhood to ensure healthy growth, proper organ formation and function, a strong immune system, and neurological and cognitive development. Child malnutrition – as measured by poor child growth – is an important indicator for monitoring population nutritional status and health. In 2013, about 17%, or 98 million children under five years of age in develo...
Numerous protected areas (PAs) have been created in Africa to safeguard wildlife and other natural resources. However, significant threats from anthropogenic activities and decline of wildlife populations persist, while conservation efforts in most PAs are still minimal. We assessed the impact level of the most common threats to wildlife within PAs in tropical Africa and the relationship of con...
Fresh leaves of the khat tree (Catha edulis Forsk.) are chewed for their euphoric properties in East Africa and parts of the Middle East, such as The Yemen. This review describes the history, cultivation and constituents of khat, and the social aspects of khat chewing in Yemen. The major pharmacologically active constituent of the fresh leaves is (--)-S-cathinone. The pharmacology of (--)-S-cat...
Rural Electrification in Central America and East Africa, two case studies of sustainable microgrids
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