| 干扰格局下额济纳绿洲胡杨林生态用水机理研究 |
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| 引用本文： | 孙非,王伟峰,都玉光,张景波.干扰格局下额济纳绿洲胡杨林生态用水机理研究[J].安徽农业科学,2011,39(29):18090-18093. |
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| 作者姓名： | 孙非 王伟峰 都玉光 张景波 |
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| 作者单位： | 1. 中国林业科学研究院沙漠林业实验中心,内蒙古磴口,015200
2. 江西农业大学园林与艺术学院,江西南昌,330045 |
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| 基金项目： | 林业公益性行业科研专项(201004010-03) |
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| 摘 要： | 目的]探讨干扰格局下额济纳天然胡杨林生态用水的机理。方法]分别在额济纳绿洲七道桥、二道桥和戈壁滩设立试验点,根据不同地形、不同林型、不同林龄等设固定样地,用土钻取不同土层深度的土样,用CMP管状土壤水分仪测量不同深度土壤含水量,研究干扰格局下胡杨林生态用水机理。结果]随着土壤深度的增加,土壤含水量逐渐增加,且不同深度内不同样地的变化趋势都不同;小径级胡杨林与大径级胡杨林土壤含水量相对较高,而中径级胡杨林的土壤含水量相对较低;苦豆子-胡杨林土壤含水量明显高于沙枣-胡杨林土壤含水量;土壤含水量随时间有逐年下降的趋势,全球气候变化影响下,胡杨的生存环境越来越严峻。结论]该研究为今后额济纳绿洲胡杨林的恢复与保护以及该区域的可持续发展提供了科学依据。
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| 关 键 词： | 额济纳 干扰格局 胡杨林 土壤水分变化 |
Research on the Mechanism of Ecological Water-using of Populus euphratica under the Interference Pattern in Ejina Oasis |
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| SUN Fei et al.Research on the Mechanism of Ecological Water-using of Populus euphratica under the Interference Pattern in Ejina Oasis[J].Journal of Anhui Agricultural Sciences,2011,39(29):18090-18093. |
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| Authors: | SUN Fei |
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| Institution: | SUN Fei et al(China Academy of Forestry,Experimental Center of the Forestry in Desert,Dengkou,Inner Mongolia 015200) |
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| Abstract: | Objective] The mechanism of the ecological water-using of natural Populus euphratica under interference pattern in Ejina region was investigated.Method] The pilot site of the experiment was set up at Qiedaoqiao,Erdaoqiao and Gobi Desert of Ejina Oasis.The soil sample at different soil depth was taken according to the different terrain,the different forest type,different forestry age,etc and the content of moisture in the soil sample was measured with the CMP tubular moisture analyzer at different depths o... |
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| Keywords: | Ejina Interference pattern Populus Moisture in soil |
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