They also provide food such as sweet chestnuts, walnuts, hazelnuts and olives. Although timber production contributes only 0.25 percent of regional GDP, the broader services of forests, including production of NWFPs and regulatory and cultural services, are estimated at 6 percent of regional GDP. Tuscany's approach could have a broader application in countries where landscapes resemble complex mosaics, with tourism, environmental protection and cultural as well as production values.