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Concept

Afrique

Publications associées (12)

Genome sequences of Vibrio cholerae strains isolated in the DRC between 2009 and 2012

Melanie Blokesch, Sandrine Stutzmann, Natalia Carolina Drebes Dorr, Alexandre Lemopoulos

Vibrio cholerae has caused seven cholera pandemics in the past two centuries. The seventh and ongoing pandemic has been particularly severe on the African continent. Here, we report long read-based genome sequences of six V. cholerae strains isolated in th ...

2024

Back-to-Africa introductions of Mycobacterium tuberculosis as the main cause of tuberculosis in Dar es Salaam, Tanzania

Jacques Fellay, Zhi Ming Xu

In settings with high tuberculosis (TB) endemicity, distinct genotypes of the Mycobacterium tuberculosis complex (MTBC) often differ in prevalence. However, the factors leading to these differences remain poorly understood. Here we studied the MTBC populat ...

PUBLIC LIBRARY SCIENCE2023

Comprendre la construction des périphéries urbaines à Lomé et Yaoundé

Armel Firmin Kemajou Mbianda

Urbanization in Sub-Saharan Africa is mainly marked by an extremely high speed. For a couple of decades, it has become more and more difficult to study and control the urbanization processes using the available means due to their rapidity. These conditions ...

EPFL2020

A New Approach to the Collection and Spatial Analysis of Land Values in Lomé and Yaoundé

Jérôme Chenal, Armel Firmin Kemajou Mbianda, Martí Bosch Padrós

Understanding the land market is crucial when analyzing the spatial dynamics of cities. Spatial models, which are widely used to describe the growth of cities, are underdeveloped in Africa, due in part to the lack of urban data and/or the difficulty of col ...

2020

Regional variation in the rural-urban fertility gradient in the developing world

Mathias Lerch

The study of regional trends in the rural-urban fertility gradient helps us to understand the pace of completion of the fertility transition and the geography of urban growth in the global South. We question whether the hypothesized inverted U-shaped evolu ...

2019

The Demographic History of African Drosophila melanogaster

Jeffrey David Jensen, Adamantia Kapopoulou, Stefan Jean Laurent, Susanne Petra Pfeifer

As one of the most commonly utilized organisms in the study of local adaptation, an accurate characterization of the demographic history of Drosophila melanogaster remains as an important research question. This owes both to the inherent interest in charac ...

OXFORD UNIV PRESS2018

Computational and Statistical analyses of Molecular Evolution and Demography using Large-scale Sequencing Data

Adamantia Kapopoulou

Evolution can be described as the change of allele frequencies over time. Four forces - mutation, migration, genetic drift, and selection, drive this change. The aim of my thesis was to accurately estimate and differentiate the parameters governing each of ...

EPFL2018

Evaporation from cultivated and semi-wild Sudanian Savanna in west Africa

Marc Parlange, Natalie Claire Ceperley, Theophile Mande, Nicolaas Cornelis van de Giesen

Rain-fed farming is the primary livelihood of semi-arid west Africa. Changes in land cover have the potential to affect precipitation, the critical resource for production. Turbulent flux measurements from two eddy-covariance towers and additional observat ...

European Geosciences Union2017

Promoting a Sustainable Diffusion of Solar PV Electricity in Africa: Results of the CODEV Project

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Eleonora Annigoni

In this work we present the result of a collaboration between the Polytechnic Schools of Dakar (ESP) and Lausanne (EPFL) on the testing and monitoring of solar photovoltaic modules. The collaboration has involved the exchange of knowledge, methodologies an ...

2017

Looking forward by looking back: Applying lessons from 20 years of African language technology

Martin Benjamin

This paper takes a frank look at what has and has not been achieved in African language technology during the past two decades. Several questions are addressed: What was the status of technology for African languages 20 years ago? What were the major initi ...

2015

Made by China: the transformation of an African city : a visual exploration of the Light Rail Transit in Addis Ababa, Ethiopia

Alexandra Belinesh Thorer

Over the past two decades China has become increasingly involved in Africa. From rising trade and investment capital to a rapid climb in industrial and construction activity, a new foundation has been laid for Africaâ s development. While Africaâ s econo ...

EPFL2015

Suppressed convective rainfall by agricultural expansion in southeastern Burkina Faso

Marc Parlange, Gabriel George Katul, Natalie Claire Ceperley, Theophile Mande

With the green economy being promoted as a path to sustainable development and food security within the African continent, the influx of agricultural land is proliferating at a rapid pace often replacing natural savannah forests. Where agriculture is prima ...

American Geophysical Union2015