| 不同结皮破坏对退化梭梭林地土壤水分及梭梭生长的影响 |
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| 引用本文： | 王方琳,张锦春,纪永福,陈芳,丁峰,刘有军,王吉金.不同结皮破坏对退化梭梭林地土壤水分及梭梭生长的影响[J].草原与草坪,2011,31(4):56-59,63. |
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| 作者姓名： | 王方琳 张锦春 纪永福 陈芳 丁峰 刘有军 王吉金 |
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| 作者单位： | 1. 甘肃省荒漠化防治重点实验室甘肃省治沙研究所,甘肃兰州,730070
2. 天祝县林业局,甘肃天祝,733300 |
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| 基金项目： | 国家科技支撑计划项目(2007BAD46B02)资助 |
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| 摘 要： | 在甘肃民勤对20世纪60年代建植的人工梭梭林进行植被恢复研究试验,结果表明,结皮破坏可以增加林地水分入渗深度,降低地表径流,提高土壤含水率,对退化梭梭有恢复作用。3种改造措施中,土壤水分储存效果以处理Ⅰ和处理Ⅱ较好;结皮的存在易造成坡面径流,而结皮破坏则阻止了坡面径流的产生,并增加了土壤水分入渗;退化梭梭恢复以处理Ⅰ和处理Ⅱ梭梭的枝条成活率最大,达到6.67%,新枝枝数、枝长、基部粗度以处理Ⅰ占优势;新结皮形成方面,处理Ⅰ不易形成新结皮,处理Ⅰ,处理Ⅱ和处理Ⅲ形成的新结皮厚度分别为0.22 cm,0.27 cm和0.38 cm。
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| 关 键 词： | 甘肃民勤 结皮破坏 退化人工梭梭林 植被恢复 |
Effects of soil crust breaking on soil moisture and growth of degraded Haloxylon ammodendron community |
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| WANG Fang-lin,ZHANG Jin-chun,JI Yong-fu,CHEN Fang,DING Feng,LIU You-jun,WANG Ji-jin.Effects of soil crust breaking on soil moisture and growth of degraded Haloxylon ammodendron community[J].Grassland and Turf,2011,31(4):56-59,63. |
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| Authors: | WANG Fang-lin ZHANG Jin-chun JI Yong-fu CHEN Fang DING Feng LIU You-jun WANG Ji-jin |
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| Institution: | WANG Fang-lin1,ZHANG Jin-chun1,JI Yong-fu1,CHEN Fang1,DING Feng1,LIU You-jun1,WANG Ji-jin2(1.Key Laboratory for Desertification Combating of Gansu Province,Gansu Desert Control Research Institute,Lanzhou 730070,China,2.Forestry Bureau of Tianzhu County,Tianzhu 733300,China) |
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| Abstract: | The restoration experiment of degraded Haloxylon ammodendron community was conducted with the Haloxylon ammodendron community established in Minqin County in 1960s.The result showed that the soil crust could be broken to increase the depth of water infiltration,reduce the run-off,increase the soil moisture.The best treatment was 100% crust-removed,and it was followed by the treatment of 50% crust-removed.The effect of water infiltration tends to be greater with the increased precipitation.The branches survi... |
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| Keywords: | Minqin crust breaking degraded Haloxylon ammodendron community vegetation restoration |
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