Throughfall and stemflow in a Betula platyphylla forest at the subalpine of Western Sichuan

Abstract

Abstract: The characteristics of throughfall and stemflow over one growing season were studied in a 30 year old Betula platyphylla secondary forest at the subalpine of Western Sichuan.The results indicated that The relationships between canopy interception,stemflow and total rainfall could be described significantly by a power function,while the relationship between throughfall and total rainfall is linear. The average canopy interception accounted for 18.9% of total rainfall,and the average throughfall accounted for 80.9%,while the average stemflow accounted for 0.3% of total rainfall in the forest in the measuring period.

Key words: Brassica parachinensis, Clletotrichum higginsianum, Nitrogen nutrition, Endogenous hormones

CLC Number:

S718

GONG Hede, WAMG Kaiyun, YANG Wanqin, WANG Qian, ZHANG Yuanbin. Throughfall and stemflow in a Betula platyphylla forest at the subalpine of Western Sichuan[J]. cje, 2004, (4): 17-20.

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