ABSTRACT
Introduction............................................................................................................125 The Challenge........................................................................................................126 A Framework for Research ...................................................................................127 Watersheds as an Organizing Unit of Study.........................................................129 Data Collection and Quality Control ....................................................................129 Multi-Institutional Alliances..................................................................................135 Community-Led Management of Watershed Resources.......................................139 A Landscape That Unites ......................................................................................140 References..............................................................................................................142
The hillside agroecosystem of tropical America covers about 1 million km
