南京林业大学学报(自然科学版) ›› 2014, Vol. 38 ›› Issue (02): 169-174.doi: 10.3969/j.issn.1000-2006.2014.02.033
张彦雷1,康峰峰1,韩海荣1*,尹学哲1,程小琴1,李 勇1,周 彬1,刘 可1,孙敬军2
出版日期:
2014-03-10
发布日期:
2014-03-10
基金资助:
ZHANG Yanlei1,KANG Fengfeng1,HAN Hairong1*,YIN Xuezhe1,CHENG Xiaoqin1,LI Yong1, ZHOU Bin1,LIU Ke1, SUN Jingjun2
Online:
2014-03-10
Published:
2014-03-10
摘要: 为了揭示林分冠层结构和林内光环境特征的关系,利用冠层分析仪(WinScanopy)对比分析了山西省太岳山马泉林场油松人工林(幼龄林和中龄林)冠层结构及林分光环境特征。结果表明:在林分密度逐步增大情况下,林分开度呈现下降趋势,总体分布范围为9.68%~16.20%; 叶面积指数随林分密度的增大相应增加,总体分布范围为2.000~3.784。林分冠上总辐射分布范围为25.37~29.10 MJ/(m2·d),林下总辐射为4.22~11.07 MJ/(m2·d)。林下总辐射随林分密度的增大而降低,表明林分对光辐射的截获能力随之增强。幼龄林消光系数为0.27,中龄林消光系数为0.59,中龄林林分消光能力大于幼龄林林分。林下直射是林下总辐射的主要组成部分。
中图分类号:
张彦雷,康峰峰,韩海荣,等. 太岳山油松人工林冠下光环境特征与冠层结构[J]. 南京林业大学学报(自然科学版), 2014, 38(02): 169-174.
ZHANG Yanlei,KANG Fengfeng,HAN Hairong,YIN Xuezhe,CHENG Xiaoqin,LI Yong, ZHOU Bin,LIU Ke, SUN Jingjun. Measurement and analysis on understory light environment and canopy structure of Pinus tabulaeformis plantation in the Taiyue Mountain [J].Journal of Nanjing Forestry University (Natural Science Edition), 2014, 38(02): 169-174.DOI: 10.3969/j.issn.1000-2006.2014.02.033.
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