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《Acta Botanica Boreali-occidentalia Sinica》 1983-02
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A PRELIMINARY STUDIES ON THE QUERCUS ALIENA VAR. ACUTESERRATA FORESTS IN THE QINLING MOUTAIN

Zhu Zhicheng (Department of Biology, Northwest University)  
The characteristic of Quereus aliens var. acuteserata forests indicate in the f loristic composition, stratification and structure of synusia as well as ecological type and so on that this forest is part of typical mesophtic deciduous broad-leaf. Quercus aliena var. acuteserrata are not old population, it happened when Qinling rised to 1000-2000 m. above sea level and formed in the Pleistocene, initial stage do not overstep last stage of the Tertiary Period. Quercus aliena var. acuteserrata forests were happenning and formming in the same time that constructive species, this is basic characteristic of syngenetic succession.
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