Ce double numéro d’Unasylva se propose de sonder les relations complexes existant entre les forêts, les arbres et les catastrophes, et d’examiner comment il est possible de gérer au mieux les forêts et les arbres à la fois pour résister aux chocs et pour protéger contre les chocs. Les forêts et…
This double issue of Unasylva aims to tease out the complex interrelationship between forests, trees and disasters, and to examine the ways in which forests and trees can best be managed both to resist shocks and to protect from shocks. Forests and trees can act as natural buffers against…
De plus en plus d’éléments tendent à démontrer que l’investissement dans le secteur agricole des pays en développement est l’un des moyens les plus efficaces pour réduire la pauvreté et la faim. Les investissements agricoles peuvent produire des avantages très divers en faveur du développement.…
Land degradation and desertification are among the biggest environmental challenges of our time. In the last 40 years, we lost nearly a third of the world’s arable farmland due to erosion, just as the number of people to be fed from it almost doubled. That’s why the UN General Assembly declared…
Drought is one of the major climatic hazards impacting on the various sectors including crop and livestock in the West African Sahel. Pastoral and agro-pastoral communities in the region are regularly affected by drought, with vulnerability differing with gender, age, wealth status (access to…
This book is about the history of anthropology in Sudan. Contributors to the book represent different generations of anthropologists who at some point in time either taught at the department in Khartoum or had some sort of connection to it. They also represent different countries: Sudan, Norway…
Food aid is a critical component of the global food system, particularly when emergency situations arise. For the first time, we evaluate the water footprint of food aid. To do this, we draw on food aid data from theWorld Food Programme and virtual water content estimates from WaterStat. We find…
Crown diameter and tree density were measured in 52 communities in the Sudan-Sahel using satellite imagery to determine the relationships between rainfall and distance from community center to crown size diameter and tree density. As distance from the community center increased, tree density and…
The aim of this study was to investigate the main factors that influence smallholders' adoption decision of soil conservation measures in the Gedeb watershed. Data from 498 household heads who live in the three districts of the watershed were analysed using the binary logistic regression…
Background: Even though Plasmodium vivax has the widest worldwide distribution of the human malaria species and imposes a serious impact on global public health, the investigation of genetic diversity in this species has been limited in comparison to Plasmodium falciparum. Markers of genetic…