Concept and classification of coarse woody debris in forest ecosystems
森林粗死木质残体的概念及其分类

Coarse woody debris (CWD) is generally considered as dead woody material, in various stages of decomposition, including sound and rotting logs, snags, stumps and large branches. CWD is an important functional and structural component of forested ecosystems and plays an important role in nutrient cycling, long-term carbon storage, tree regeneration and maintenance of heterogeneous environmental and biological diversity. However, The definition and classification of CWD have been the subject of long debate in...