Trees in agricultural landscapes enhance provision of ecosystem services in Sub-Saharan Africa By Shem Kuyah, Ingrid Öborn, Mattias Jonsson, A. Sigrun Dahlin, Edmundo Barrios, Catherine Muthuri, Anders Malmer, John Nyaga, Christine Magaju, Sara Namirembe, Ylva Nyberg and Fergus L. Sinclair Tagged with: Agricultural productivity, Agroforestry, Biodiversity, Multi functionality, Trade-offs