Integrated Considerations of Historical Establishment of Biodiversity in Irrigated Rice Fields and Strategy for Nature Restoration in Agricultural Rural Area

Abstract

  A consideration was progressed for historical establishment of agrobiodiversity in a rice field of rural area, integrating factors in biogeography, rural history and engineering, farming systems and agricultural management practices. Actually situation of conservation or restoration planning of agrobiodiversity have conducted from an only view point of agricultural management practice, especially ignoring biogeographical ones as the first historical step. For systematic planning of nature restoration in a rice field of a particular rural area, it is necessary to understand deeply integrated analysis of agrobiodiversity basing on biographical, historical and agronomical academic disciplines.