Browsing by Subject "Africa"
Now showing items 1-6 of 6
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Article
Character displacement of song and morphology in African tinkerbirds
(2009)Divergence in acoustic signals between populations of animals can lead to species recognition failure, reproductive isolation, and speciation. Character displacement may facilitate coexistence of species in natural ...
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Article
Global dispersal pattern of HIV type 1 subtype CRF01-AE: A genetic trace of human mobility related to heterosexual sexual activities centralized in southeast Asia
(2015)Background. Human immunodeficiency virus type 1 (HIV-1) subtype CRF01-AE originated in Africa and then passed to Thailand, where it established a major epidemic. Despite the global presence of CRF01-AE, little is known ...
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Global distribution of the CCR2-641/CCR5-59653T HIV-1 disease-protective haplotype
(2000)Objectives: Several natural polymorphisms in the genes for the human CC-chemokine receptors CCR5 and CCR2 are associated with HIV-1 disease. The CCR2-641 genetic variant [a G to A substitution resulting in a valine (V) to ...
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An improved method for the identification of areas of endemism using species co-occurrences
(2008)Aim: To develop a simple method that (1) combines the notions of biotic elements (groups of taxa with ranges significantly more similar to each other than to the ranges of other taxa) and of areas of endemism (AoE, areas ...
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Article
Migration and HIV epidemic in Greece
(2005)Background: Over the last decade, Greece has experienced a massive influx of migrants from countries in South Eastern/Central Europe, the Middle East, Asia and Africa. This study aimed to estimate the percentage and the ...
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Article
Synoptic classification and establishment of analogues with artificial neural networks
(2007)Weather charts depicting the spatial distribution of various meteorological parameters constitute an indispensable pictorial tool for meteorologists, in diagnosing and forecasting synoptic conditions and the associated ...