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Study on coarse woody debris in broadleaved-Korean pine forest of Fenglin National Natural Reserve
WU ZHi-wei1,2, HE Hong-shi1, LIU Xiao-mei1, WU Zhi-feng1, LIANG Yu1, ZHANG Pei-feng1, LI Shu-hua3, SONG Guo-hua3, WANG Quan-bo3
1. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; 2. Graduate School of Chinese Academy of Sciences, Beijing 100039, China; 3. National Nature Protection Area of FengLin, Heilongjiang, Wuying 153033, China
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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 wordscoarse woody debris      broadleaved-Koreari pine forest      Fenglin National Natural Reserve     
Received: 25 April 2011     
:  S718.5  
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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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