哀牢山常绿阔叶林林冠的截留特征

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哀牢山常绿阔叶林林冠的截留特征

巩合德,张一平,刘玉洪,杨国平,鲁志云,卢华正

文章导航> 浙江农林大学学报> 2008> 25(4): 469-474

巩合德, 张一平, 刘玉洪, 等. 哀牢山常绿阔叶林林冠的截留特征[J]. 浙江农林大学学报, 2008, 25(4): 469-474.

引用本文:

巩合德, 张一平, 刘玉洪, 等. 哀牢山常绿阔叶林林冠的截留特征[J]. 浙江农林大学学报, 2008, 25(4): 469-474.

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

哀牢山常绿阔叶林林冠的截留特征

巩合德^1,2,3,,
张一平^1,2,
刘玉洪^1,2,
杨国平^1,2,
鲁志云^1,2,
卢华正^1,3

1.
中国科学院西双版纳热带植物园，云南昆明 650223;
2.
哀牢山亚热带森林生态系统研究站，云南景东 676209;
3.
中国科学院研究生院，北京 100039

详细信息

通信作者:巩合德

中图分类号:S715.2

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

摘要:为了评估亚热带常绿阔叶林的水源涵养服务功能，选择哀牢山典型的原始常绿阔叶林，定位监测了林冠层对1 a 中共144次降雨的截留分配效应。观测期间降水总量为1 707.8 mm，穿透雨量、茎流量和林冠截留量分别是1 421.8，15.4和270.6 mm，穿透雨率、茎流率和截留率分别为83.3%，0.9%和15.8%。总降雨量大于3.7 mm时才观测到林内穿透雨和树干茎流，“漏斗”状的林冠结构和持续的降雨，均可造成穿透雨量大于林外大气总降水量，而树木较大分枝角度和较多附生物，可能使有些胸径和冠幅较大树木的树干茎流量反而更小；穿透雨量和茎流量、林冠截留量与降水量均呈显著的线性正相关（P＜0.01），而林冠截留率随降水量增大而减少；降雨特征和林分特征是影响林冠截留的主要因素。图3表3参20
- 森林生态学/
- 常绿阔叶林/
- 穿透雨/
- 树干茎流/
- 林冠截留
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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https://zlxb.zafu.edu.cn/article/zjnldxxb/2008/4/469

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哀牢山常绿阔叶林林冠的截留特征

1. 中国科学院西双版纳热带植物园，云南昆明 650223;
2. 哀牢山亚热带森林生态系统研究站，云南景东 676209;
3. 中国科学院研究生院，北京 100039

通信作者:巩合德

刊出日期: 2008-08-20

中图分类号:S715.2

关键词:

摘要:为了评估亚热带常绿阔叶林的水源涵养服务功能，选择哀牢山典型的原始常绿阔叶林，定位监测了林冠层对1 a 中共144次降雨的截留分配效应。观测期间降水总量为1 707.8 mm，穿透雨量、茎流量和林冠截留量分别是1 421.8，15.4和270.6 mm，穿透雨率、茎流率和截留率分别为83.3%，0.9%和15.8%。总降雨量大于3.7 mm时才观测到林内穿透雨和树干茎流，“漏斗”状的林冠结构和持续的降雨，均可造成穿透雨量大于林外大气总降水量，而树木较大分枝角度和较多附生物，可能使有些胸径和冠幅较大树木的树干茎流量反而更小；穿透雨量和茎流量、林冠截留量与降水量均呈显著的线性正相关（P＜0.01），而林冠截留率随降水量增大而减少；降雨特征和林分特征是影响林冠截留的主要因素。图3表3参20

English Abstract

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

Keywords:

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.］

巩合德, 张一平, 刘玉洪, 等. 哀牢山常绿阔叶林林冠的截留特征[J]. 浙江农林大学学报, 2008, 25(4): 469-474.

引用本文:

巩合德, 张一平, 刘玉洪, 等. 哀牢山常绿阔叶林林冠的截留特征[J]. 浙江农林大学学报, 2008, 25(4): 469-474.

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

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哀牢山常绿阔叶林林冠的截留特征

通信作者:巩合德

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

Corresponding author:GONG He-de

计量

出版历程

哀牢山常绿阔叶林林冠的截留特征

1. 中国科学院 西双版纳热带植物园，云南 昆明 650223;2. 哀牢山亚热带森林生态系统研究站，云南 景东 676209;3. 中国科学院 研究生院，北京 100039

通信作者:巩合德

English Abstract

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

全文HTML

目录

1. 中国科学院西双版纳热带植物园，云南昆明 650223;
2. 哀牢山亚热带森林生态系统研究站，云南景东 676209;
3. 中国科学院研究生院，北京 100039

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