SYNOPTIC OVERVIEW OF EXOTIC ACACIA, SENEGALIA AND VACHELLIA (CAESALPINIOIDEAE, MIMOSOID CLADE, FABACEAE) IN EGYPT

Synoptic Overview of Exotic Acacia, Senegalia and Vachellia (Caesalpinioideae, Mimosoid Clade, Fabaceae) in Egypt

For the first time, an updated checklist of Acacia, Senegalia and Vachellia species in Egypt is provided, focusing on the exotic species.Taking into consideration the retypification of genus Acacia ratified at the Melbourne International Botanical Congress (IBC, 2011), a process of reclassification has taken place worldwide in recent years.The revi

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A volcanic-hazard demonstration exercise to assess and mitigate the impacts of volcanic ash clouds on civil and military aviation

Volcanic eruptions comprise an important airborne hazard for aviation.Although significant events are rare, e.g.compared to the threat of thunderstorms, they have a very high impact.The current state of tools and abilities to mitigate aviation hazards associated with an assumed volcanic cloud was tested within an international demonstration exercis

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Continuing the Conversation on the Chilean Student Movement

This current article is an interview made with Francisco Figueroa.Francisco is a Chilean university student 2649-20 who was Vice-President of Student Federation from University of Chile between 2010 and 2011.He, like other students, was leading the mass student demonstrations in 2011 who demanded a radical reform of the Chilean education system.As

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