PROGRAM TITLE: Tropical Agroforestry Program ACTIVITY STREAM: Process Studies (also relevant to assessment) SCIENCE ELEMENT:Ecological Systems and Dynamics SMITHSONIAN INSTITUTION SMITHSONIAN TROPICAL RESEARCH INSTITUTE SCIENTIFIC MERIT: Reforestation of presently cut-over areas in the tropics, together with development of sustainable agricultural systems that check the economically-driven process of deforestation, may help slow or even reverse accumulation of greenhouse gases. The objective of STRI's Tropical Agroforestry Program is development of an integrated, appropriate- technology agricultural system in order to restore the fertility of degraded soils and improve the forest cover of presently deforested areas. The system combines small-scale tree farming, horticulture, fodder production, and animal husbandry. STRI has set up a pilot project in the Panama Canal watershed, an area severely affected by deforestation and consequent erosion and soil degradation. The system represents a vast improvement over slash- and-burn farming in terms of sustainability and environmental impact. STRI plans to expand the area of its present pilot project, to explore economies of scale and to test new tree and crop species, and also plans to establish additional plots for comparative studies in other areas of Panama. STAKEHOLDERS: The program addresses goals of the IGBP Core Program GCTE, Focus 3: Global Change impact on agriculture and forestry. Links exist with the following organizations: in Panama: University of Panama; Agrarian Research Institute of Panama (IDIAP); National Agricultural Institute; Hydraulic and Electrification Institute (IRHE); and the National Institute of Natural Resources (INRENARE); in Costa Rica: Regional Agronomic Research Center (CATIE) in Turrialba; in the United States: University of North Carolina. POLICY RELEVANCE: The program is focussed on understanding one of the most sensitive areas of human impact on global change. It contributes to achieving milestones identified by the USGCRP Implementation Plan under Ecological Systems and Population Dynamics: Resource use and management relations. PROGRAM CONTACTS:SI SGCR Representative: Ted A. Maxwell NASM MRC 315 Smithsonian Institution Washington, D.C. 20560 202 357 1424 FAX: 202 786 2566 Email: tmaxwell@ceps.nasm.edu Bureau Representative: Anthony Coates Smithsonian Tropical Research Institute APO AA 34002-0948 507 27 6022 FAX: 507 32 6197