典型阔叶红松林干扰历史重建及干扰形成机制

朱良军, 金光泽, 王晓春

Reconstruction of disturbance history of a typical broad-leaved Pinus koraiensis forest and mechanisms of disturbance occurrence

ZHU Liang-Jun,JIN Guang-Ze,WANG Xiao-Chun

表1 红松和臭冷杉生长释放特征统计

Table 1 Statistics of characteristics in growth release in Pinus koraiensis and Abies nephrolepis

项目 Items 臭冷杉 Abies nephrolepis 红松 Pinus koraiensis 中等以上释放 Moderate and major releases 主要释放 Major releases 中等以上释放 Moderate and major releases 主要释放 Major releases 释放样芯所占比例(%) Percentage of cores with release (%) 93.8 67.6 89.4 51.0 单个样芯平均释放次数(平均值(最小值-最大值)) No. of release per core (mean (Min - Max) ) 2.16 (0-6) 1.05 (0-4) 2.85 (0-9) 0.87 (0-7) 单个林窗平均释放次数(次) No. of release per gap 7.11 3.45 29.89 9.16 生长释放期的平均长度(年)(平均值(最小值-最大值)) Mean release length (a)(mean (Min - Max) ) 6.54 (5-11) 6 (5-11) 5.87 (5-19) 5.57 (5-13) 初次释放平均年龄(年)(平均值(最小值-最大值)) Mean age of the first release (a) (mean (Min - Max)) 32.14 (15-116) 41.21 (15-128) 41.97 (12-190) 60.59 (13-223) 平均间隔期(年)(平均值(最小值-最大值)) Mean interval of releases per core (a) (mean (Min - Max) ) 16.56 (2-67) 18.02 (2-63) 27.78 (2-162) 31.85 (2-168) 每10 a生长释放比例(%) Percentage of release per 10 a (%) 17.23 8.79 11.61 3.13 每10 a干扰强度(%) Disturbance intensity per 10 a (%) 7.98 8.37 4.07 3.60 干扰间隔(年) Disturbance interval (a) 125 119 245 278