Communities and Protection Strategy of Endangered Species Wild Taxus cuspidata

doi:10.7525/j.issn.1673-5102.2020.03.013

Abstract

Abstract: With the wild Taxus cuspidata communities in Changbai Mountain as the research object, we set up the four standard areas(50 m×50 m), then analyzed the tree characteristics(height, DBH, crown width, etc.), site conditions, stand status by forest mensuration and population statistics, and studied the species diversity characteristics of T.cuspidata community in the distribution area. The four communities contained 32 woody species belonging to 17 families and 24 genera, 53 herbaceous species belonging to 23 families and 41 genera. And the changes of Simpson index and Shannon index are consistent, as for Pielou index in four communities were herb layer > shrub layer > arbor layer, and another sample areas were shrub layer > arbor layer > herb layer. The highest Margalef index in four community was herb layer, and in the rest of the plots was arbor layer. Besides, the important value of T.cuspidata was lower in each community. T.cuspidata were mainly composed of mixed forests of Pinus koraiensis Sieb. et Zucc., Picea jezoensis Carr. var. komarovii and Tilia amurensis Rupr.. Thus, the effective measures and countermeasures for the conservation, breeding and utilization of wild T.cuspidata resources were provided.

Key words: Taxus cuspidata, species composition, diversity index, protection strategy

CLC Number:

S791.49

DONG Ming-Zhu, WANG Li-Tao, Lü Mu-Jie, MENG Dong, YANG Chun-Yu, ZHAO Chun-Jian, FU Yu-Jie, YANG Qing. Communities and Protection Strategy of Endangered Species Wild Taxus cuspidata[J]. Bulletin of Botanical Research, 2020, 40(3): 416-423.

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