نتایج جستجو برای: west africa

تعداد نتایج: 195736  

2016
Nídia Cangi Jonathan L. Gordon Laure Bournez Valérie Pinarello Rosalie Aprelon Karine Huber Thierry Lefrançois Luís Neves Damien F. Meyer Nathalie Vachiéry

The disease, Heartwater, caused by the Anaplasmataceae E. ruminantium, represents a major problem for tropical livestock and wild ruminants. Up to now, no effective vaccine has been available due to a limited cross protection of vaccinal strains on field strains and a high genetic diversity of Ehrlichia ruminantium within geographical locations. To address this issue, we inferred the genetic di...

Journal: :American Journal of Islam and Society 1997

Journal: :The Geographical Journal 1903

1983
G. S. Jenkins

Introduction Conclusions References Tables Figures Back Close Abstract Introduction Conclusions References Tables Figures Back Close Abstract During the Northern hemisphere winter season, biomass burning is widespread in West Africa, yet the total tropospheric column ozone values (<30 DU) over much of the Tropical Atlantic Ocean (15 • N–5 • S) are relatively low. At the same time, the tro-posph...

J. MichalÌk

West Carpathian Mesozoic paleogeographic development indicates the effect of a left lateral shift of the Alpine- Carpathian microcontinent along the European shelf since the Early Jurassic. The evolution during Late Triassic/Early Jurassic was controlled by convergence along the border of the Meliata Ocean and by contemporaneous divergence along the Middle Atlantic/Penninic rift. During Mid-Cre...

Journal: :African Affairs 1901

Journal: :Travel Medicine and Infectious Disease 2014

Journal: :African Affairs 1979

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