PhD project 1: (summary) Biodiversity of soil macrofauna functional groups and their effects on soil structure in West and East African cropping systems, as related to organic resource management, crop rotation and tillage.

PhD project 2: (summary) Interactive effects of land management and soil macrofaunal biodiversity on physical and hydrological properties determining nitrogen and water use efficiency in West and East African agro-ecosystems.

Postdoc project: (summary) Optimizing soil aggregate turnover for enhanced soil carbon sequestration and nitrogen availability through beneficial interactions between management and soil macrofauna in West and East African cropping systems.

Sandwich PhD project: (summary) The impact of Arbuscular Mycorrhizal Fungi on agricultural management practices in Kenya – soil structure, nutrient use efficiency of crops, and interactions with soil macrofauna.