吉林省水土流失现状及防治措施--《吉林水利》2009年04期

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吉林省水土流失现状及防治措施

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【摘要】:吉林省现有水土流失总面积为31519.6km2,占总土地面积的16.5%,其中水蚀面积17575.5km2,风蚀面积13944.1km2。根据不同地形地貌和气候条件全省可划分为四个生态区域。东部中低山区应加强对现有林草的全面保护,搞好高效小流域和生态沟建设。中东部低山丘陵区要以保护水源地为中心,建立完整的坡面、沟道拦蓄工程体系。中部漫川漫岗台地区重点是改造坡耕地、建设小型蓄排等水土保持工程。西部平原风沙区采取封禁措施,进行水土保持生态修复及退耕还草,并营造防风林网,对流动沙丘和半流动沙丘采用沙障固沙。水利论文)NGG3nuUl

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【作者单位】:

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X!P)OP8o9Cm0吉林省榆树市水利局;长春市净月开发区土地收储中心;水利论文-zxg)ioD(jn5F/S1k

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【关键词】:

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6k7C yB!@%})]$w0吉林省 生态区域 水土流失 防治措施

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【分类号】:S157.1

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EY9EK5Q"T0【正文快照】:

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%uK(m'r(sVdv0吉林省位于中纬度欧亚大陆的东侧,是东北黑土区的一部分,总土地面积19·18万km2,约占全国国土面积的2%。吉林省属于温带季风气候,四季分明,雨热同季。降水量的季节和区域差异较大,80%集中在夏季,由东部向西部降水量逐渐减少。气候地域差异明显,从东南向西北由湿润气候过渡到

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