广西木论自然保护区掌叶木种群结构与分布格局

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Abstract

Handeliodendron bodinieri is an epibiotic single-species of plant unique to China in limestone regions.Because of destructive human activities,its peculiar habitat and its own characteristic,this rare species is endangered,and hence it has been listed as one of the first-level preservation plant species under state protection.Handeliodendron bodinieri population in Mulun Nature Reserve was investigated based on sampling plot and sampling line in order to clarify its population structure,dynamic character and distribution pattern.Size structure and height structure of Handeliodendron bodinieri population were analyzed.Point pattern analysis was applied and the spatial characteristics were described effectively by Ripley s K(d) function in this paper.The results showed that population of Handeliodendron bodinieri was declining due to lack of its seedlings,and distribution pattern of population was mainly random.Distribution pattern of Handeliodendron bodinieri population was primarily affected by the factors including its reproduction characteristics,habitat feature of limestone region,intraspecific and interspecific competition and so on.

Key words： Handeliodendron bodinieri population population structure spatial pattern point pattern Mulun Nature Reserve

Received: 25 December 2009

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	Articles by authors
	ZHANG Jian-liang
	LI Xian-kun
	HAN Wen-heng
	YOU Ye-ming
	JIAO Ji-fei
	LV Shi-hong

Cite this article:

ZHANG Jian-liang,LI Xian-kun,HAN Wen-heng, et al. Population structure and distribution pattern of Handeliodendron bodinieri in Mulun Natural Reserve, Guangxi[J]. , 2009, 28(6): 495-502.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2009/V28/I6/495

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