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三维植被网作为一种新型的坡面防护材料 ,具有很好的使用性能和推广价值。本文详细介绍其特点、优点以及施工工艺。并给出运用实例 相似文献
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This research evaluated the status of vegetation cover at right of way locations. Site factors that contributed to low and high ground cover along roadsides and medians were identified. Twenty-nine roadside and median study sites incorporated variability in soil type, elevation, vegetation establishment and cover, seed mixture, slope, aspect, time since planting, and climate. Vegetation cover was measured, and species distribution was identified. Slopes, aspects of the sloping face, and elevations were recorded. Soil samples were tested for nutrients, minerals, texture, and pH. Approximately 50% of the test sites met the 70% cover criteria. Locations of the worst cover (<50%) had soils with high soluble salt content (0.36–1.54 mmhos/cm) or low organic matter values (<1.7%). Vegetation cover was dominated by tall fescue (Festuca arundinacea) and crownvetch (Coronilla varia L.), two species that were included in the current seeding mixture and are considered invasive. To further promote revegetation success and persistence, both maintenance and site specific seed mixtures are needed. 相似文献
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公路边坡灌木化植被建植技术研究 总被引:1,自引:0,他引:1
针对我国公路边坡植被持续性效果不佳的问题,提出了边坡灌木化植被建植技术概念,从植被建植目标选择、草灌竞争调节机制、植物组合混播模式以及植被验收评价指标等几方面建立了边坡灌木化综合技术体系,最后对可持续植被的发展思路进行了展望。 相似文献
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错峰出行是解决出行时间集中引起交通拥堵问题的重要措施. 本文以节假日游客错峰出行行为为研究对象,探究心理潜变量对其错峰出行意向及行为的影响机理. 基于计划行为理论,同时考虑节假日旅游满意度,构建节假日游客错峰旅游出行行为的结构方程模型. 定量研究了态度、主观规范、知觉行为控制、节假日旅游满意度4 个心理因素对游客节假日错峰旅游行为意向及行为的影响. 最后通过问卷调查数据进行了实例分析. 研究结果表明,4 个潜在变量对节假日错峰旅游出行行为意向具有显著影响,其中知觉行为控制是关键因素且影响最大,节假日旅游满意度对节假日错峰出行行为意向及行为有显著负向影响. 本研究可为节假日游客错峰旅游出行措施的制定提供参考依据. 相似文献
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针对易发生崩塌、泻溜的砂性土质坡面和半风化的石质挖方边坡 ,新台高速公路的边坡防护采用一种新型三维植被网植草护坡试验 ,对成型边坡及时支护能有效改善公路沿线的景观 相似文献
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三维植被网护坡技术在哈同公路的应用 总被引:1,自引:0,他引:1
介绍了边坡生态防护技术和三维植被网护坡技术在哈同公路的应用。 相似文献