Phylogeny of Amazona barbadensis and the Yellow-headed Amazon complex (Aves: Psittacidae): a new look at South American parrot evolution.

The Yellow-shouldered Amazon (Amazona barbadensis) is the sole parrot of the genus Amazona that inhabits only dry forests.Its population has been dropping; therefore it has been the topic of many studies and conservation efforts.However, the phylogenetic relationship of this species to potential relatives classified within the Yellow-Headed Amazon

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Field of Bitumen-Mineral Raw Material Application

Field of bitumen-mineral raw material (asphalt concrete scrap) application depends on deformational and strength characteristics that are changing in the process of asphalt concrete pavement service life due to transport load and weather Decorating Ideas and climatic factors.It is important to make a correct design of bitumen-mineral mixture with d

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