在“四化”建设中人为水土流失的类型
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Types of Soil and Water Loss by Human Activity in Constructions of Four Modernizations
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    摘要:

    在“四化”建设中,人为水土流失的类型主要有山原区筑路造成的水土流失;开矿和采石造成的水土流失;兴修水利水电工程,乱弃沙石废土造成的水土流失;山原区建厂盖楼等基建工程和修建民房造成的水土流失;城乡工业企业排放大量粉尘、废渣、污染水源,加剧水土流失;毁林毁草开荒,陡坡开荒,造成人为水土流失;广种薄收、顺坡耕种、经济林垦复等旧的生产习惯,加速了水土流失;山原区居民发展木耳、天麻等副业生产,破坏了植被,加重了水土流失;城市垃圾、炉灰乱堆乱倒造成的水土流失。这9种类型,随着建设的蓬勃发展,有日益严重的趋势。

    Abstract:

    In the construction of the Four Modernizations, there are nine types of soil erosion and water loss by human. It is mainly caused by road buil ding and construction of factories houses in mountain and plain or table areas in the loess plateau, by mining and exploiting and by massed spoils in the development for conservancy and hydroelectric construction. For the more, a great quantity of industry dust and waste from town-run enterprises pollutes water resourse and increases Sediment concentration of rivers and channels. Deforestation for farming and cultivating on grass land and steeper slopes leads to erosion. And it is accelerated by the old traditional faming system which is extensive seeding and worse harvesting, planting along a slope recultivating on economic forest land and so on. People in mountain and table region sin the loess plateau develop the sideline production such as Fungus, the tuber of elevated gastrodia (gastrodia elate), which destroys vegetation and results in more severe erosion. And rubbish and coal ash piled and placed any where in a city increases sediment concentratiou of rivers and channels. Such nine mentioned above would become more worse as the construction develops rapidly.

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向立,同新奇.在“四化”建设中人为水土流失的类型[J].水土保持通报,1987,(4):48-53

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  • 在线发布日期: 2014-12-01
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