Interception and Distribution Effects of Mixed Artificial Pinus tabulaeformis and Pinus armandi Forests on Precipitation in the Upper Reaches of Minjiang River

CHANG Zhi-yong; BAO Wei-kai; HE Bing-hui; YANG Yi-cui; HE Qi-hua

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Interception and Distribution Effects of Mixed Artificial Pinus tabulaeformis and Pinus armandi Forests on Precipitation in the Upper Reaches of Minjiang River

更新时间：2024-11-07

- Interception and Distribution Effects of Mixed Artificial Pinus tabulaeformis and Pinus armandi Forests on Precipitation in the Upper Reaches of Minjiang River
- Vol. 20, Issue 6, Pages: 37-40(2006)
- 作者机构：
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  CLC： S715.1S715.2
- Published：2006
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CHANG Zhi-yong, BAO Wei-kai, HE Bing-hui, et al. Interception and Distribution Effects of Mixed Artificial Pinus tabulaeformis and Pinus armandi Forests on Precipitation in the Upper Reaches of Minjiang River[J]. 2006, 20(6): 37-40.
DOI：

CHANG Zhi-yong, BAO Wei-kai, HE Bing-hui, et al. Interception and Distribution Effects of Mixed Artificial Pinus tabulaeformis and Pinus armandi Forests on Precipitation in the Upper Reaches of Minjiang River[J]. 2006, 20(6): 37-40. DOI：

摘要

人工油松与华山松混交林是岷江上游区域主要的群落类型，采用水量平衡的方法，研究了混交林林冠截留量、穿透量、树干茎流量等指标。通过混交林对24场降雨分配的定位观测，结果表明林冠截留量83．47mm、穿透量81．43mm、茎流量2．00mm，分别占同期降雨量的50．o％，48．8％，1．2％；幂函数方程能较好地拟合林冠截留量与林外降雨量之间的关系，而线性方程能较好地拟合穿透雨量、树干茎流量和林外降雨量之间的关系。结果表明恢复重建后的人工油松与华山松混交林生态系统在水源涵养、水土保持上效果明显。

Abstract

The mixed artificial Pinus tabulaeformis and Pinus armandi forests are the main community type in the upper reaches of Minjiang river. By using the method of water balance

the contents of crown-interception

throughfall

stemflow are studied. Through 24 precipitation located observation in the forests distribution

the results shows that the canopy interception

throughfall and stemflow of the mixed forest are 83.47 mm

81.43mm and 2.00 mm

respectively. Which accounts for 11.4%

69.0%

19.6% of rainfall in the same time. The relationships between canopy interception and rainfall could be described significantly by a power function

while the relationship between tbroughfall

stemfall and rainfall is linear. The results indicate the effects of the mixed forest ecosystem on water preserving capability and soil and water conservation is significant.

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