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Chinese Journal of Applied Ecology ›› 2009, Vol. 20 ›› Issue (08): 1805-1810.

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Characteristics of coarse woody debris |in Huzhong area of Great Xing’an Mountains.

WANG Wen-juan1,2;CHANG Yu1;LIU Zhi-hua1,2;Chen Hong-wei1,2;JING Guo-zhi3;ZHANG Hong-xin3;ZHANG Chang-meng3   

  1. 1Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China;2Graduate University of Chinese Academy of Sciences, Beijing 100049, China;3Huzhong Forestry Bureau of the Great Xing’an Mountains, Huzhong 165036, Heilongjiang, China
  • Received:2008-11-05 Online:2009-08-20 Published:2009-08-20

Abstract: An investigation was made on the coarse woody debris (CWD) in burned f
orestlands in Huzhong area of Great Xing’an Mountains. The loading capacity of
CWD in the burned forestlands was 249〖KG-*2〗-〖KG-*7〗1810 m3·hm-2
, among which, snag and log occupied 243%〖KG-*2〗-〖KG-*7〗859% and 14.
0%〖KG-*2〗-〖KG-*7〗757%, being 60〖KG-*2〗-〖KG-*7〗939 m3·hm-2
 and 153〖KG-*2〗-〖KG-*7〗1384 m3·hm-2, respectively. Significan
t differences were observed among burned forestlands and among years. The predom
inant DBH class of snag and log was 25〖KG-*2〗-〖KG-*7〗20 c
m and 15〖KG-*2〗-〖KG-*7〗15 m, and the height of most snags and logs was
25〖KG-*2〗-〖KG-*7〗15 m and 5〖KG-*2〗-〖KG-*7〗20 cm, respectively. The loa
ding capacity of CWD had no obvious change with the recovery of forest vegetatio
n. The characteristics of CWD had a close relationship with pre-fire forest sta
nd conditions and burn intensity.

Key words: coarse woody debris (CWD),  , loading capacity, burned forestland, Great Xing’an Mountains, scale effect., lake, water quality, buffer zone, landscape composition and configuration