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Position: Home > Articles > Microclimate edge effects of evergreen broad-leaved forest fragments in Jinyun Mountain:A preliminary study. Chinese Journal of Applied Ecology 2006,17 (1) 17-21

缙云山片断常绿阔叶林小气候边缘效应的初步研究

作  者：
闫明;钟章成;乔秀红
单  位：
西南师范大学生命科学学院;山西师范大学生物技术与工程学院
关键词：
常绿阔叶林;片断;小气候;边缘效应
摘  要：
对缙云山5个片断常绿阔叶林和1个连续常绿阔叶林林缘附近的小气候要素水平梯度分布进行测定.结果表明,各片断阔叶林斑块边缘均存在明显的小气候边缘效应.林缘与林内最高和最低气温、光合有效辐射、最小相对湿度均为干季高于或大于雨季,而地表最高温度则为雨季高于干季;各阔叶林斑块的小气候边缘效应以最大斑块波及林内的深度最浅、最小斑块波及林内的深度最深.
译  名：
Microclimate edge effects of evergreen broad-leaved forest fragments in Jinyun Mountain:A preliminary study.
作  者：
YAN Ming~(1,2,3),ZHONG Zhangcheng~(1,2),QIAO Xiuhong~4 (()~1College of Life Science,Southwest China Normal University,Chongqing 400715,China;()~2Key Laboratory of Eco-Environments in Three Gorges Reservoir Region,Chongqing 400715,China;()~3Institute of Diversity,Shanxi Teachers University,Linfen 041000,China;()~4College of Biological Technology and Engineering,Shanxi Teachers University,Linfen 041000,China).
关键词：
Evergreen broad-leaved forest,Fragmentation,Microclimate,Edge effect.
摘  要：
This paper studied the microclimate of continuous and fragmental evergreen broadleaved forests in Jinyun Mountain by determining the horizontal gradient distribution of microclimate elements near forest edges.The results showed that there existed clear edge effects of microclimate in every edge of fragmental forests.The distinctions of maximum and minimum air temperature,photosynthetic active radiation,and minimum relative humidity between edge forest and interior forest were higher or greater,while that of maximum ground surface temperature was lower or smaller in dry season than in rain season.The edge effect was the smallest in the biggest fragmental patch,but the greatest in the smallest fragmental patch in interior forest.

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