紫金县和惠东县典型人工桉树林植物多样性研究

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Abstract

Eucalyptus is fast-growing species, and is widely planted in some provinces in China. Its ecological impacts have attracted widespread attention. The understory plant species, quantity, coverage and frequency were investigated in artificial eucalyptus plantation planted from 2003 to 2008 at 32 sample plots in Zijin County, and Huidong County in Guangdong Province. Species diversity index, the Margalef index, Simpson index and Shannon-Wiener index were chosen to evaluate and analyze the plant diversity. The results indicated that a total of 194 species, belonging to 141 genera and 65 families were found, among which 81 species grew in both artificial eucalyptus plantation and its control forest. The Margalef index of shrub layer under annual planting eucalyptus plantation was 0.416-6.005 and that of the control forest was 0.541-4.492. The Simpson indexes of shrub layer and herbaceous layer under eucalyptus plantation were 0.563-0.892 and 0.544-0.833, respectively, and those of the control forests were 0.547-0.939 and 0.621-0.866, correspondingly. The Shannon-Wiener indexes of shrub and herbaceous layers under eucalyptus plantation were 0.954-3.013 and 0.927-2.188 respectively, and those of the control forests were 1.027-2.458 and 1.028-2.101, correspondingly. Margalef index, Simpson index and Shannon-Wiener index of shrub and herbaceous layers were not significantly different between the eucalyptus plantation and the control forest(P＞0.05).

Key words： Eucalyptus plantation Margalef index Simpson index Shannon-Wiener index

Received: 25 December 2012

Q948.12+2.1

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	Articles by authors
	LIU Xu-cheng
	HONG Bin
	WU Wen-cheng
	JIANG Yan-yun
	ZHANG Yu-huan

Cite this article:

LIU Xu-cheng,HONG Bin,WU Wen-cheng, et al. Study on the plant diversity under typical eucalyptus plantation in Zijin and Huidong, Guangdong province[J]. , 2012, 31(6): 619-624.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2012/V31/I6/619

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