uneven-aged forests异龄林
uneven-aged forest异龄林
Uneven-aged stand异龄林分
Mixed uneven-aged forest混交异龄林
uneven-aged forest stand异龄林
normal uneven-aged forest法正异龄林
uneven-aged and mixed异龄混交林
natural uneven-aged forests天然异龄林
Compound storied uneven-aged forests复层异龄天然林