Classification and ordination of plant communities in Jingsong Forestry Farm,Changbai Mountain

Chinese Journal of Applied Ecology ›› 1995, Vol. 6 ›› Issue (3): 237-242.

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Classification and ordination of plant communities in Jingsong Forestry Farm,Changbai Mountain

Zhai Yonghua¹, Wang Qingli¹, Yu Zhenliang¹, Dai Limin¹, Zhao Shidong¹

Institute of Applied Ecology, Academia Sinica, Shenyang 110015

Received:1995-04-17 Revised:1995-05-18 Online:1995-07-25 Published:1995-07-25

Abstract

Abstract: Based on cluster analysis, 54 sample plots surveyed in Jingsong Forestry Farm, Changbai Mountian are classified into 6 vegetation groups.Then, by means of an modified Braun Blanquet vegetation tabular analysis presented in computer programs, PC-VTAB, a diagnostic summary table is obtained and diagnostic species are determined for each group.Inaddition,to evaluate the efficiency of diagnostic species, a principal component analysis(PCA) is conducted using the available diagnostic species.It is proved that vegetationtabular analysis in PC-VTAB is an efficient way to select diagnostic species, and diagnostic species can significantly imporve the classfication and ordination of plant communities.

Key words: Plant Communities, Vegetation tabular analysis, Diagnostic species, PCA

Zhai Yonghua, Wang Qingli, Yu Zhenliang, Dai Limin, Zhao Shidong. Classification and ordination of plant communities in Jingsong Forestry Farm,Changbai Mountain[J]. Chinese Journal of Applied Ecology, 1995, 6(3): 237-242.

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Classification and ordination of plant communities in Jingsong Forestry Farm,Changbai Mountain

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