Reviews and notes
Abstract
exploitation of artificial forests dominated by a resin-producing Dipterocarp (Shorea javaniea) and various fruit trees and yielding both cash money from the collection of resin and foods or material for home consumption from other trees (cultivated as well as spontaneous). The joint evolution of the agroforest and agricultural system in relation with increasing population density and regression of primary forest is analysed. The second example is in West Sumatra, where irrigated rice culture...