Abstract

Based upon the prevalent number of species and varieties of trees and important shrubs occurring in different regions and the characteristic growth habit of woody plants in various habitats and correlating them to the c1imatic, edaphic, especially soil condition, and biotic factors of the country, the woody plants of China may be divided into the following eight regions (and two grassland regions ): 1. The North-east Montane Forest Region. 2. The North China Boreal Coniferous and Deciduous Mixed Forest Region. 3. The North China Deciduous Forest Region. 4. The Central China Laurel-Fagaceae Forest Region. 5. The South China Sub-tropica l Evergreen and Deciduous Mixed Forest Region. 6. The Upper Yangtze River Evergreen Forest Region. 7. The Oceanic Sub-tropical Evergreen and Tropical Rain Forest Region. 8. The Sikong-Yunnan Evergreen Broad-leaved Forest Region. 9. The Mongolian Desert and Grassland Region. 10. The Tsin-T sang Grassland Region.