nterception capability in an evergreen broad-leaved forest of Ailaoshan，Yunnan Province

GONG He-de; ZHANG Yi-ping; LIU Yu-hong; YANG Guo-ping; LU Zhi-yun; LU Hua-zheng

Volume 25 Issue 4

Aug. 2008

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Article Navigation > Journal of Zhejiang A&F University > 2008 > 25(4): 469-474

GONG He-de, ZHANG Yi-ping, LIU Yu-hong, YANG Guo-ping, LU Zhi-yun, LU Hua-zheng. nterception capability in an evergreen broad-leaved forest of Ailaoshan，Yunnan Province[J]. Journal of Zhejiang A&F University, 2008, 25(4): 469-474.

Citation:

GONG He-de, ZHANG Yi-ping, LIU Yu-hong, YANG Guo-ping, LU Zhi-yun, LU Hua-zheng. nterception capability in an evergreen broad-leaved forest of Ailaoshan，Yunnan Province[J]. Journal of Zhejiang A&F University, 2008, 25(4): 469-474.

nterception capability in an evergreen broad-leaved forest of Ailaoshan，Yunnan Province

1.
Xishuangbanna Tropical Botanical Garden，Chinese Academy of Sciences，Kunming 650223，Yunnan，China;
2.
Ailaoshan Station for Subtropical Forest Ecosystem Studies，Jingdong 676209，Yunnan，China;
3.
Graduate School，Chinese Academy of Sciences，Beijing 100039，China

More Information

Corresponding author: GONG He-de
Publish Date: 2008-08-20

Abstract

An experiment was conducted in the evergreen broad-leaved forest （the primitive tree species were Castanopsis wattii and Lithocarpus xylocarpus） of Ailaoshan，Yunnan Province to evaluate its water interception capability and accumulate basic data for forest hydrology. A total of 144 precipitation events from May 2005 to May 2006 were monitored，and a correlation analysis was used to determine the redistribution and interception effects of the tree canopy on precipitation. The total of 1 707.8 mm of precipitation，consisted of throughfall，1 421.8 mm （83.3%）；stemflow，15.4 mm （0.9%）；and canopy interception，270.6 mm （15.8%）. However，throughfall and stemflow could only be recorded when precipitation was over 3.7 mm. A “funnel” shaped canopy structure and duration of rainfall sometimes caused recorded rainfall to be greater than real precipitation；meanwhile a low stemflow of tree with greater diameter at breast height and crowns sometimes resulted from large branch angles and lots of epigrowth. Total throughfall，stemflow，and canopy interception were positively correlated（P＜0.01） with precipitation，whereas the canopy interception rate was negatively correlated（P＜0.01） with precipitation. Thus，precipitation and forest structure mainly determined interception capability. ［Ch，3 fig. 3 tab. 20 ref.］
- forest ecology,
- evergreen broad-leaved forest,
- throughfall,
- stemflow,
- canopy interception

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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nterception capability in an evergreen broad-leaved forest of Ailaoshan，Yunnan Province

1. Xishuangbanna Tropical Botanical Garden，Chinese Academy of Sciences，Kunming 650223，Yunnan，China;

2. Ailaoshan Station for Subtropical Forest Ecosystem Studies，Jingdong 676209，Yunnan，China;

3. Graduate School，Chinese Academy of Sciences，Beijing 100039，China

Corresponding author: GONG He-de

Publish Date: 2008-08-20

Key words:

Abstract: An experiment was conducted in the evergreen broad-leaved forest （the primitive tree species were Castanopsis wattii and Lithocarpus xylocarpus） of Ailaoshan，Yunnan Province to evaluate its water interception capability and accumulate basic data for forest hydrology. A total of 144 precipitation events from May 2005 to May 2006 were monitored，and a correlation analysis was used to determine the redistribution and interception effects of the tree canopy on precipitation. The total of 1 707.8 mm of precipitation，consisted of throughfall，1 421.8 mm （83.3%）；stemflow，15.4 mm （0.9%）；and canopy interception，270.6 mm （15.8%）. However，throughfall and stemflow could only be recorded when precipitation was over 3.7 mm. A “funnel” shaped canopy structure and duration of rainfall sometimes caused recorded rainfall to be greater than real precipitation；meanwhile a low stemflow of tree with greater diameter at breast height and crowns sometimes resulted from large branch angles and lots of epigrowth. Total throughfall，stemflow，and canopy interception were positively correlated（P＜0.01） with precipitation，whereas the canopy interception rate was negatively correlated（P＜0.01） with precipitation. Thus，precipitation and forest structure mainly determined interception capability. ［Ch，3 fig. 3 tab. 20 ref.］

nterception capability in an evergreen broad-leaved forest of Ailaoshan，Yunnan Province

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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