Spatial Analysis on People/Commodities/Information Flows and Subsistence Changes in Mountainous Regions of Mainland Southeast Asia

这项研究的目的是阐明各国之间的人员/商品/信息流动如何改变东南亚大陆山区人民的生活。因此，这项研究表明了五个特征的重要性。受束缚的农民试图引入非农业活动或商业性作物种植，以应对日益加速的人员/商品/信息流动。虽然偏远地区的居民点主要保持着传统的隐蔽耕作，但与此同时，居民最近也开始开展非农活动。在杂交玉米等经济作物引种方面，最早引进的边疆户对其在全区推广起到了重要作用。明确老挝北部山区农林产品对中国的交易制度。老挝的农村地区正变得越来越受欢迎，特别是对西方背包客来说，背包客旅游似乎对农村居民产生了各种社会影响。

The aim of this study was to clarify how peoples' subsistence in mountainous regions of mainland Southeast Asia have been changed by people/commodities/information flows between countries. Consequently, this study has shown the importance of five features.1. Swidden farmers attempt to introduce off-farm activities or commercial crop cultivation to cope with accelerating people/commodities/information flows.2. Although settlements in remote area have been mainly maintained their traditional swidden farming, at the same time residents have started to introduce off-farm activities recently.3. In terms of commercial crop introduction such as hybrid maize, the frontier household which early introduced it played an important role to spread it across the region.4. Trading system of agri-forest products from mountainous region in northern Laos to China can be clarified.5. Rural areas in Laos are getting popular to visit especially for western backpackers, and it seems that backpacker tourism have various social impacts on rural residents.