高寒森林倒木在不同分解阶段的质量变化

常晨晖, 吴福忠, 杨万勤, 谭波, 肖洒, 李俊, 苟小林

Changes in log quality at different decay stages in an alpine forest

CHANG Chen-Hui,WU Fu-Zhong,YANG Wan-Qin,TAN Bo,XIAO Sa,LI Jun,GOU Xiao-Lin

表2 岷江冷杉倒木在不同分解阶段C:N:P的变化特征

Table 2 Variation characteristics of C:N:P in logs of Abies faxoniana at different decay stages

分解阶段 Decay stage 心材 Heartwood 边材 Sapwood 树皮 Bark I 6 553:16:1 43 974:116:1 1 829:27:1 II 7 084:19:1 19 762:30:1 3 022:53:1 III 14 052:100:1 4 840:21:1 2 724:35:1 IV 7 041:19:1 5 210:18:1 1 394:38:1 V 5 757:29:1 3 453:26:1 1 609:71:1