四个典型温带树种不同根序细根分解速率及其主要影响因素

顾伟平,刘瑞鹏,李兴欢,孙涛,张子嘉,昝鹏,温璐宁,马鹏宇,毛子军

Decomposition of different root branch orders and its dominant controlling factors in four temperate tree species

GU Wei-Ping,LIU Rui-Peng,LI Xing-Huan,SUN Tao,ZHANG Zi-Jia,ZAN Peng,WEN Lu-Ning,MA Peng-Yu,MAO Zi-Jun

表1 4种森林类型的林分特征

Table 1 Stand characteristics of the four forest types

林型 Forest type T10 (℃) W10 (g·g-1) 林龄 Age (a) 密度 Density (trees·hm-2) DBH (cm) 主要树种 Dominant tree species 落叶松人工林 Larix gmelinii plantation 11.6 0.396 40 1 682 18.7 落叶松 Larix gmelinii 红松人工林 Pinus koraiensis plantation 10.8 0.458 46 2 904 16.1 红松 Pinus koraiensis 杨-桦林 Aspen-birch forest 12.9 0.552 58 2 381 12.9 山杨、白桦 Populus davidiana, Betula platyphylla 阔叶林 Hardwood forest 12.3 0.579 49 2 017 15.6 水曲柳、胡桃楸 Fraxinus mandschurica, Juglans mandshurica