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当前位置: 首页 > 文章 > 川西亚高山原始云杉林内降雨分配研究 林业科学 2005,41 (1) 198-201
Position: Home > Articles > Throughfall and Stemflow in a Primary Spruce Forest in the Subalpine of Western Sichuan Scientia Silvae Sinicae 2005,41 (1) 198-201

川西亚高山原始云杉林内降雨分配研究

作  者：
巩合德;王开运;杨万勤;王乾;张远彬
单  位：
山东省林业科学研究院资源与环境研究所;华东师范大学城市化过程和生态恢复重点实验室;中国科学院成都生物研究所
关键词：
穿透雨;茎流;林冠截留;云杉林
摘  要：
The characteristics of throughfall and stemflow over one growing season were studied in a dark coniferous forest in the subalpine of the Western Sichuan. The results indicated that: 1) The distribution of precipitation by canopy was more relative to the rainfall, the higher the rainfall was, the more the throughfall and stemflow were, and the less the interception was; 2) The relationships between throughfall (T) and total rainfall (P) could be described significantly by a linear function (T=0.744P-0.937, R 2=0.954, p<0.001), while the reationship between crown interception (I) and total rainfall by a power function (I=0.759P 0.666, R 2=0.763, p<0.001); 3) The average canopy interception accounted for 35.8% of total rainfall and the average throughfall for 64.2%, and the average stemflow for 0.01%; 4) High water_hold capacity of moss on the surface of tree trunk and low rainfall intensity were the main reasons that the stemflow of the coniferous forest in the subalpine of Western Sichuan was less than other forests.
译  名：
Throughfall and Stemflow in a Primary Spruce Forest in the Subalpine of Western Sichuan
作  者：
Gong Hede1 Wang Kaiyun2 Yang Wanqin3 Wang Qian3 Zhang Yuanbin3 (1.Institute of Reseurces and Environment, Shandong Academyof Forestry Jinan250014; 2.Urbanization Process and Ecological Restoration Key Laboratory, =East China Normal University Shanghai200062; 3.Chengdu Institute of Biology, Chinese Academy of Science Chengdu610041)
关键词：
throughfall; stemflow; canopy interception; spruce forest
摘  要：
The characteristics of throughfall and stemflow over one growing season were studied in a dark coniferous forest in the subalpine of the Western Sichuan. The results indicated that: 1) The distribution of precipitation by canopy was more relative to the rainfall, the higher the rainfall was, the more the throughfall and stemflow were, and the less the interception was; 2) The relationships between throughfall (T) and total rainfall (P) could be described significantly by a linear function (T=0.744P-0.937, R 2=0.954, p<0.001), while the reationship between crown interception (I) and total rainfall by a power function (I=0.759P 0.666, R 2=0.763, p<0.001); 3) The average canopy interception accounted for 35.8% of total rainfall and the average throughfall for 64.2%, and the average stemflow for 0.01%; 4) High water_hold capacity of moss on the surface of tree trunk and low rainfall intensity were the main reasons that the stemflow of the coniferous forest in the subalpine of Western Sichuan was less than other forests.

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