نتایج جستجو برای: west africa
تعداد نتایج: 195736 فیلتر نتایج به سال:
Despite rampant Newcastle disease virus (NDV) outbreaks in Africa for decades, the information about the genetic characteristics of the virulent strains circulating in West and Central Africa is still scarce. In this study, 96 complete NDV fusion gene sequences were obtained from poultry sampled in Cameroon, Central African Republic, Côte d'Ivoire, and Nigeria between 2006 and 2011. Based on ra...
Urban forests have played important roles in social, cultural, economic and environmental development of urban centers in West Africa through benefits such as landscape enhancement, provision of recreational and cultural facilities, erosion control, watershed protection and supply of fruits and fuelwood. The growing population and rapid urbanization occasioned by demographic switch from rural t...
The new record of a puffer fish “Takifugu oblongus Bloch, 1786” (Tetraodontiformes, Tetraodontidae) is recorded for the first time the muddy shores of the inter-tidal zone of Bandar-e-Abbas city, in the northern Persian Gulf, Iran in March 2011. The morphological features of Takifugu oblongus are described. This species has previously been recorded from Indo-West Pacific, South Africa to Indone...
The outbreak of Ebola virus disease has caused unprecedented demands on health systems in west Africa, which were already fragile and are now at breaking point. The outbreak will be brought under control only with a massive input of money, infrastructure, and people.Crucial among the personnel needed are healthcare workers. For example,Médecins Sans Frontières (MSF), the most heavily involved c...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید