丰林自然保护区阔叶红松林粗木质残体研究

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Abstract

Coarse woody debris(CWD)is an important component in forest ecosystems and has a significant contribution to the maintenance of forest ecosystem health.A total of 17 plots each with 20 m×20 m in size were typically located and sampled throughout the Fenglin National Nature Reserve.Storage,diameter,length,and decay rank of CWD in broadleaved-Korean pine forest were investigated.The results are as follows.(1)The CWD storage of broadleaved-Korean pine forest amounted to 75.61 m³·hm^-2,of which down logs,snags,stumps were 66.24 m³·hm^-2,2.03 m³·hm^-2,and 7.34 m³·hm^-2,respectively.(2)The dominant diameter classes of down logs and snags were 11-20 cm(46%,of total CWD in quantity) and 0-10 cm(45%),respectively;the dominant length classes of down logs and snags were 0-5 m(66%) and 6-10 m(49%),respectively.(3)The distribution of decay classes of CWD presented approximately normal distribution,and mainly concentrated on classes Ⅱ(28%),Ⅲ(35%),and Ⅳ(26%).

Key words： coarse woody debris broadleaved-Koreari pine forest Fenglin National Natural Reserve

Received: 25 April 2011

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	Articles by authors
	WU ZHi-wei
	HE Hong-shi
	LIU Xiao-mei
	WU Zhi-feng
	LIANG Yu
	ZHANG Pei-feng
	LI Shu-hua

Cite this article:

WU ZHi-wei,HE Hong-shi,LIU Xiao-mei, et al. Study on coarse woody debris in broadleaved-Korean pine forest of Fenglin National Natural Reserve[J]. , 2011, 30(2): 150-155.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2011/V30/I2/150

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