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改变以往用边坡植草方式进行高速公路边坡生物防护,而代之以乔、灌、草复合群落或人工灌丛进行生物防护已成为近年来国内外高速公路生物防护的发展趋势。然而,如何在立地条件相对恶劣的高速公路边坡上快速营建一个结构合理、稳定性强的人工灌丛或灌草复合群落,是目前高速公路(以及矿山、堤坝等)边坡生物防护工程中亟待解决的大难题,高速公路的成功实践无疑为以人工灌丛为主的植被恢复和生物防护技术提供了许多可以借鉴的经验。
In the past, biological protection of highway slopes by means of slope grass planting has been carried out, and biological protection has been replaced by Qiao, Shrub and grass compound communities or artificial shrubs. It has become the development trend of biological protection of expressways at home and abroad in recent years. However, how to quickly build a well-structured and stable artificial shrub or shrub-grass composite slope on highway slopes with relatively poor site conditions is one of the key issues in the current slope (such as mine, dyke, etc.) slope protection project Undoubtedly solve the big problem, the successful practice of the highway undoubtedly for artificial vegetation-based vegetation restoration and biological protection technology provides many lessons to be learned.