川西亚高山原始云杉林内降雨分配研究

doi:10.11707/j.1001-7488.20050133

林业科学 ›› 2005, Vol. 41 ›› Issue (1): 198-201.doi: 10.11707/j.1001-7488.20050133

川西亚高山原始云杉林内降雨分配研究

巩合德¹ 王开运² 杨万勤³ 王乾³ 张远彬³

1.山东省林业科学研究院资源与环境研究所,济南250014；2.华东师范大学城市化过程和生态恢复重点实验室,上海200062；3.中国科学院成都生物研究所,成都610041

收稿日期:2003-01-20 修回日期:1900-01-01 出版日期:2005-01-25 发布日期:2005-01-25

Throughfall and Stemflow in a Primary Spruce Forest in the Subalpine of Western Sichuan

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

Received:2003-01-20 Revised:1900-01-01 Online:2005-01-25 Published:2005-01-25

摘要/Abstract

关键词: 穿透雨, 茎流, 林冠截留, 云杉林

Abstract:

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, R²=0.954, p<0.001), while the reationship between crown interception (I) and total rainfall by a power function (I=0.759P 0.666, R²=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.

Key words: throughfall, stemflow, canopy interception, spruce forest

巩合德王开运杨万勤王乾张远彬. 川西亚高山原始云杉林内降雨分配研究[J]. 林业科学, 2005, 41(1): 198-201.

Gong Hede;Wang Kaiyun;Yang Wanqin;Wang Qian;Zhang Yuanbin. Throughfall and Stemflow in a Primary Spruce Forest in the Subalpine of Western Sichuan[J]. Scientia Silvae Sinicae, 2005, 41(1): 198-201.

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川西亚高山原始云杉林内降雨分配研究

Throughfall and Stemflow in a Primary Spruce Forest in the Subalpine of Western Sichuan

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