| 围栏封育改良荒漠化草地的效果 |
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| 引用本文： | 安耕,王天河.围栏封育改良荒漠化草地的效果[J].草业科学,2011,28(5):874-876. |
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| 作者姓名： | 安耕 王天河 |
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| 作者单位： | 甘肃省古浪县草原工作站,甘肃古浪,733100;甘肃省古浪县草原工作站,甘肃古浪,733100 |
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| 基金项目： | 甘肃省农牧厅“天然草原恢复与建设”项目(2005345) |
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| 摘 要： | 2004-2006年,对古浪县北部腾格里沙漠南缘荒漠化草地进行为期3年的围栏封育改良试验.结果表明,围栏封育措施对恢复草地植被效果明显.围栏封育后草地中植物的高度、盖度、多度、冠幅、地上生物量和可食牧草产量等生产性能明显提高;牧草成分显著变化,优良莎草科、禾本科牧草产量与种类增加,杂类草种类与产量下降;围栏封育区区域生...
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| 关 键 词： | 围栏封育 改良 荒漠化 退化草地 |
Effect of enclosure on restoration of degraded grassland |
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| AN Geng,WANG Tian-he.Effect of enclosure on restoration of degraded grassland[J].Pratacultural Science,2011,28(5):874-876. |
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| Authors: | AN Geng WANG Tian-he |
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| Institution: | AN Geng,WANG Tian-he(Grassland Workstation of Gulang County,Gansu Province,Gansu Gulang 733100,China) |
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| Abstract: | To improve degraded grassland,a fenced experiment from 2004 to 2006 was conducted in southern edge of Tengger Desert in Gulang County.The results showed that the plant height,coverage,abundance,crown width of vegetation,the total biomass aboveground and yield of edible forage were significantly improved.The vegetation structure also changed with a increasing sedge and grass,but decreasing weeds.The regional ecological environment was improved and the ability of sand-fixing from vegetation was enhanced.The e... |
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| Keywords: | enclosure improvement desertification degraded grassland |
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