Studies On Slope Plants Project And Landscape On Ning--Hang Expressway

The construction of expressway does a great passive effect on environment, to resist this effect, it is the trend that plants project should replace building project. The article focus on the slope plants projects based on Ning--Hang Expressway. With analyzing the natural environment of Ning--Hang Expressway, 19 testing points are built on typical slopes from 5 to 7, February, 2004, and observed regularly, these points are settled down on 8 kinds of plants projects, being studied as follows: The soil quality of slope. With 18 soil samples, the article emphasizes to analyze the soil anti-erosion quality, and mature the soil thick. The result points out that there is a great fluctuation in the soil anti-erosion quality and the thick. The study on the adaptable plants and effect of plants projects. Through one year regular observation, with the plant investigation of plant project on Ning--Hang Expressway, these show clearly that in eight kinds of plants projects, Sowing by Duster on Steel Net and Sowing by Duster are best for the stone slope of expressway in the climate in south of Jiangsu province, and Straw Stick Technique is the second; however, Bag Technique, Tire Technique, Bamboo Planting don't satisfy the purpose of slope protection in this climate, so they should be eliminate; and 17 plants that are adaptable to grow on slopes of Ning--Hang Expressway are tabulated. Appraisal on the landscape of plants projects. Two questionnaires (experts questionnaire and public questionnaire) are designed to appraise landscape effect of plants projects. The result of investigation points out that no matter the experts or public; drivers or passengers ; male or female experts; they have similar opinion on landscape of Ning-Hang Expressway in Jiangsu, only the administers of expressway give a higher appraisal than other experts'. Based on this investigation, the slope landscape on Ning-Hang Expressway has many stains. To appraise economic profits of plants projects, the article tabulates the invest of plant projects on slopes of Ning-Hang Expressway; assuming the building projects on the slopes, the invest of building projects is tabulated also, it can be concluded that the plants project can conserve much invest. At last, the article discusses the plants projects in following aspects: (1) The artificial maintenance management on plants projects.(2) Persistence of the plants projects...