浙西南地区沉水植物的区系分布与物种多样性

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Abstract

The species composition, floristic distribution, and characteristics of submerged plant community in Wu River, Qu River and Ou River in the southwest of Zhejiang Province were surveyed during 2007 and 2008.The results showed that:(1) There were 19 species belonging to 6 families and 8 genera.Three areal-types were classified from these genera, and 7 areal-types were classified from species, and the main distribution types between these two levels were different.(2) Thirteen submerged plant communities in 9 typical sites were analyzed by β- and γ- diversity indexes.The β- diversity Jaccard index showed the species comparability of 89.2% communities was lower than 0.5.The highest γ- diversity index(14 species) was found in Qu River, while the lowestγ-diversity index(9 species) was observed in Ou River, which was consistent with the community distribution in other different rivers.It suggests that the low diversity of submerged plants in this area is due to interaction of environment factors and disturbance of human activities.

Key words： southwest of Zhejiang Province submerged macrophyte floristic distribution species diversity

Received: 25 October 2009

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	Articles by authors
	QIAO Ning-ning
	LI Ming-hong
	WANG Yu
	ZHU Dan-ting

Cite this article:

QIAO Ning-ning,LI Ming-hong,WANG Yu, et al. The Floristic Distribution and Species Diversity of Submerged Plant in the Southwest of Zhejiang Province[J]. , 2009, 28(5): 404-409.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2009/V28/I5/404

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