Impact of global change processes (e.g. increased nitrogen deposition, land-use change, changes in temperature and rainfall regimes) on soil processes and forest net primary production
Carbon, nitrogen dynamics and nutrient fluxes in tropical ecosystems
Soil-atmosphere exchange of trace gases (N2O, NO, CH4, CO2)
Canopy soil and epiphytes in tropical forests: trace gas exchange and nitrogen cycling
Biogeochemistry of deeply-weathered tropical soils
Interaction between vegetation diversity and soil processes