نتایج جستجو برای: geographic region
تعداد نتایج: 600232 فیلتر نتایج به سال:
The Asian monsoon region is the most prominent moisture center of water vapor in the lower stratosphere (LS) during boreal summer. Previous studies have suggested that the transport of water vapor to the Asian monsoon LS is controlled by dehydration temperatures and convection mainly over the Bay of Bengal and Southeast Asia. However, there is a clear geographic variation of convection associat...
The stroke belt, an 8-state region in the southeastern United States, defined for its disproportionately high stroke mortality rates, has been present since at least 1940 and persists despite recent decreases in stroke mortality, overall. Differences in vascular risk factors may explain approximately half of the excess burden, yet underlying drivers in this region are not fully understood. Acce...
Understanding factors that cause species' geographic range limits is a major focus in ecology and evolution. The central marginal hypothesis (CMH) predicts that species cannot adapt to conditions beyond current geographic range edges because genetic diversity decreases from core to edge due to smaller, more isolated edge populations. We employed a population genomics framework using 24 235-33 1...
The Greater Maputaland-Pondoland-Albany (GMPA) region of southern Africa was recently designated as a centre of vertebrate endemism. The phylogeography of the vertebrate taxa occupying this region may provide insights into the evolution of faunal endemism in south-eastern Africa. Here we investigate the phylogeographic patterns of an understudied small mammal species assemblage (Amblysomus) end...
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