| 胡杨融雪漏斗现象及生态作用 |
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| 引用本文： | 杨晓东,吕光辉,常顺利.胡杨融雪漏斗现象及生态作用[J].干旱区研究,2011,28(5):768-774. |
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| 作者姓名： | 杨晓东 吕光辉 常顺利 |
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| 作者单位： | 绿洲生态教育部重点实验室，新疆 乌鲁木齐 830046;新疆大学 资源与环境科学学院，新疆 乌鲁木齐 830046 |
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| 基金项目： | 国家自然基金项目(31060061); 博士点基金项目(20106501110001) |
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| 摘 要： | 杜加依林春季积雪融化时,存在以胡杨根部为中心的融雪漏斗。通过调查比较胡杨林冠和融雪漏斗的形状相关性,测定漏斗区与林隙地表区温度的不同,分析漏斗区与林隙区表层土壤有机质和总盐的差异。结果表明：胡杨林冠下由于主干的存在,使林冠下土壤能得到较多的太阳辐射能量,并且林冠下枯落物的富集作用和胡杨的＂肥岛＂效应,使林冠下土壤的有机...
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| 关 键 词： | 融雪漏斗 肥岛效应 胡杨 杜加依林 有机质 总盐 艾比湖湿地 |
| 收稿时间： | 2010-07-11; |
Mechanism and Ecological Role of Snowmelt Funnel of Populus euphratica |
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| YANG Xiao-dong,LV Guang-hui,CHANG Shun-li.Mechanism and Ecological Role of Snowmelt Funnel of Populus euphratica[J].Arid Zone Research,2011,28(5):768-774. |
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| Authors: | YANG Xiao-dong LV Guang-hui CHANG Shun-li |
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| Institution: | Key Laboratory of Oasis Ecology, Ministry of Education, Urumqi 830046, China;College of Resources and Environment Sciences, Xinjiang University, Urumqi 830046, China |
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| Abstract: | There is a snowmelt funnel around a Populus euphratica trunk in Tugai forest.This paper analyzes the relationship between P.euphratica crown and the shape of snowmelt funnel,and the difference of soil temperature,organic matter content and salt content in soil between the funnel area and the ground of forest gap.The results show that the salt content and organic matter content in soil under P.euphratica crown was higher than that of the ground of forest gap,which resulted in a higher soil temperature under ... |
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| Keywords: | snowmelt funnel fertile island effect Populus euphratica Tugai forest organic matter content salt content Ebinur Lake wetland |
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