胶东半岛与辽东半岛现代植被发展趋势研究

Study of vegetation developing on Jiaodong Peninsule and Liaodong Peninsula

通过胶东半岛、辽东半岛及庙岛群岛５２个样地乔木更新层情况的调查，采用主成分分析方法进行样地资料分析，指出现代植被发展趋势的两个阶段：松类—栎类混交林阶段与栎类—松类混交林阶段；生境变化趋势由庙岛群岛的温湿向辽东半岛略暖温和胶东半岛的暖干过渡．

The renew layar of arbor of 52 samples on the Jiaodong and Liaodong Peninsula and Miaodao Islands are investigated and analyzed by principal component analysis.It is pointed out that there exist two stages of contemporary vegetation developing:Pinus mixed Quercus forest and Quercus mixed Pinus forest.The change of the habitat is from the temperate and demp on the Miaodao Islands to the light warm and damp on the Liaodong Peninsula and the warm and dry on the Jiaodong Peninsula.