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The preliminary study on the seed plant flora of the natural sharptooth oak forest communities in Qinling Mountain

KANG Yong xiang 1,ZHANG Jing qun 1,CHEN Tie shan 1,CHEN Ya ping 2 (1.Forest Resources College,NWFU,Yangling,Shaanxi 712100;2.Shaanxi Water Conservancy School,Yangling,Shaanxi 712100)  
Qinling Mountain is situated in the middle of China.Sharptooth oak forest is one of main forest types in the area.From the investigation of the sharptooth oak communities in this region,it is reported in the paper that there are 60 families,131 genera and 183 species in the community flora.Based on these data the paper analyzes the nature of the commnity flora.Results of analysis as follows:1.The nature of the community flora is the obviously temperate zone;2.The community flora had formed gradually from the ancient flora of Mt.Qinling;3.Sharptooth oak that may origin pliocene is not an ancient species.
【Fund】: 国家林业局重点课题
【CateGory Index】: Q948.15
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