This article examines the structural and spatial organization of violent extremist organizations (VEOs) across the Sahara. Building on the Armed Conflict Location and Event Dataset (ACLED), a public collection of political violence data for developing states, the article investigates structural...

Cameroon has the largest forest area in africa. industrial logging operations export timber products to Europe, america and asia, and informal chainsaw milling (Csm) operations supply the domestic market and many other african countries. The Ònorthern trailÓ is an informal supply chain that...

This paper presents an economic framework and a computationalmethodology for assessing the evolution of woodfuel supply costsand the spatial distribution of biomass in a Sahelian woodlandsetting. Spatial data on standing stock and the costs oftransport to market are used to construct a supply...