Storage of coarse woody debris in three typical forests in Tianbaoyan National Nature Reserve, Fujian Province of eastern China.

The storage of coarse woody debris（CWD）in three typical forests (Tsuga longibracteata, Rhododendron simiarum, Crytomeria fortunei) at Tianbaoyan National Nature Reserve, Fujian Province of eastern China was investigated． The results were as follows:1）the storage of CWD in the three typical forests was 33.6, 45.3 and 31.8 t/hm2, which was at the middle level of tropical and subtropical regions in China．2）In different decay classes, CWD forms made greater contribution to the CWD storage differences．3）In R. simiarum and T. longibracteata forests, CWD storage distribution was found highest in fallen trees, middle level in snags, and lowest in stumps; while in C. fortunei forests, the distribution was highest in snags, middle level in stumps and with the lowest level in fallen trees．4）In the middle and high decay classes, this study indicated that the CWD storage in R. simiarum forests was higher than that in T. longibracteata forests, and the storage in C. fortunei forests stayed the lowest; in the low decay class, the CWD storage was highest in T. longibracteata forests, lowest in C. fortunei forests, R. simiarum forests lied in middle．5）The ratio of snags and stumps in forests, which was free from human interference, was apparently higher than that in C. fortunei forests, but the proportion of fallen trees was very low．