Screening of Noise Reduction Plant Species and Configuration Modes in Urban Road Green Belts
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摘要: 为寻求减噪效果好的植物配置模式，实地测定成都市16种常见绿化植物的减噪能力，选出乔木和灌木各3种，购置大苗并模拟测试多种组合方式的减噪能力。结果显示：①实地实验中，山玉兰、银杏、天竺桂、洒金桃叶珊瑚、金丝桃及红花檵木的减噪能力较强。②模拟实验中，银木+洒金桃叶珊瑚，天竺桂+红花檵木，杜英+洒金桃叶珊瑚的减噪效果最佳。绘制行道绿带植物规划示意图，为成都市绿化设计和人居环境改善提供参考。Abstract: The noise-reducing capability of 16 species of greening plants was measured in order to find the plant configuration mode with good noise reduction effect in Chengdu,and three tree species and three shrub species were selected. Then, the seedlings of six plants were purchased and simulation tests were carried out to test the noise-reducing capability of various combinations. The result suggested that ① in the field experiment, Magnolia delavayi, Cinnamomum japonicum, Cinnamomum japonicum, Aucuba japonica, Hypericum monogynum and Loropetalum chinense showed strong noise-reducing capability. ② In simulation test, C. austrosinense + A. japonica, C. japonicum + L. chinense and Elaeocarpus decipiens + A. Japonica represented the best noise-reducing effect. A schematic diagram to the road greening was drawn to provide reference for the greening design and the improvement of human living environment in Chengdu.
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