The purpose of sentinel landscapes is to measure changes and understand long-term trends in socio-economic and biophysical variables across the 'forest transition curve' globally across comparative sites. Sentinel Landscapes is a cross-cutting theme of CGIAR's Research Program on Forests, Trees and Agroforestry. Read more about Bioversity International’s work on forest and tree genetic diversity: http://www.bioversityinternational.org/research-portfolio/forest-tree-genetic-diversity/