Foundation project: The National Natural Science Foundation of China (No. 39900019, 30070129)
In sandy forest with a forest canopy gap for a period of over 30 years, the spruce(Picea mongolica) seedlings were monitored on two 5-m- wide transects from the center of a large gap into the surrounding forest. The...
Chinese Academy of Sciences;National Natural Science Foundation of China!(No. 39900019).
Based on data from 210 meteorological stations in Northeast China and survey on zonal climax vegetation, the Kira's warmth index (W l), coldness index (C l), and Xu Wenduo's humidity index (H l) were adopted to simula...
Chinese Academy of Sciences and National Nature Science Foundation of China!(No.39900019)
The research was carried out on sandy natural forest ecosystems in sandy forest-steppe ecotone in the northern area of China from 1980’s. In this paper, we introduced the concept and origin, distribution and actu- al...