Institution: | 1. Research Institute of Forestry Protection, Chinese Academy of Forestry, Beijing 100091, P. R. China 2. Natural Resources Canada, Canadian Forest Service, Sault Ste. Marie, ON, Canada 3. Aviation and Forest Fire Management Branch, Ontario Ministry of Natural Resources Sault Ste. Marie, ON, Canada 4. Beijing Forestry Bureau, Beijing 100029, P. R. China |