| Urban mountain is a special and precious natural resource of the city,and it is also an important landscape background and constituent element of the urban landscape,which exists as the symbol,background and independent scenic spot of the city skyline and the city.Huancheng Mountain in Fuquan City,Guizhou Province is not only an important ecological function area,ecological barrier and natural space resources,but also a constituent element of Fuquan City landscape.Entrusted by the people’s government of fuquan city,this paper takes the visible mountain body around the city of fuquan city as the research object,from the perspective of ecological landscape restoration,and puts forward its landscape restoration plan through detailed field investigation and internal industry analysis.(1)Based on the detailed analysis of soil environment,water environment,atmosphere environment,forest vegetation characteristics and ArcGIS software,the results show that most of the mountain body is covered by shrubs,a few are exposed,and the forest is single.The concentration of pollutants in mountain soil is low,and the soil quality still maintains the natural level value.The mean values of soil organic matter and TN、quick-effect potassium in Huancheng mountain are 23.157 g/kg、1.55g/kg、201mg/kg,which indicates that the soil environment in Huancheng mountain is beneficial to plant growth and growth in one.To a certain extent,the soil is affected at a moderate level;in the Huancheng mountain,the effective Cu、Zn、Fe、Mn content of trace elements is abundant,which is 5.38 mg/kg、1.91mg/kg、40.90mg/kg、24.56mg/kg,which greatly increases the metabolic activity of soil microorganisms and contributes to plant growth;in the soil heavy metals in the region,the cadmium content is slightly higher,0.61 mg/kg,lead,mercury and arsenic are all lower than the national standard value,61.07 mg/kg、0.296mg/kg、20.53m,respectively.g/kg.Overall,soil quality is good,should be maintained in the case of high levels of cadmium treatment.The monitoring results of 8 water quality monitoring points show that the seasonal variation is obvious.For the detection of total phosphorus and fluoride,the quality of water quality inspection is better in summer and not up to standard in winter.Heavy metal elements were not detected,and all indexes reached or exceeded the national standard of surface water class III water quality,the water quality was stable and the water environment was protected properly.The overall air quality of Fuquan City is excellent throughout the year,of which the air quality in February,May and June is the best,and the comprehensive index is 2.56-2.88,and the air quality in September is relatively poor With a composite index of 4.07-4.33,atmospheric regulation should be strengthened in August and September.In a word,the quality of water and air in the soil and city area of Huancheng Mountain in Fuquan City is good,and it is suitable to be used in industry.In the use of landscape types around the city,comprehensive evaluation of soil fertility in different stands should be considered to fully improve the utilization of landscape types,maintain the pollution-free degree of water quality,strengthen supervision,minimize the harm caused by human intervention to vegetation in the region,realize the utilization of multiple landscape structures and promote sustainable development.(2)It is pointed out that ecological restoration of mountain landscape around Fuquan city must adhere to the principle of ecological benefit,social benefit and economic benefit,and protect the principle of priority,moderate development and sustainable development,and the principle of coordination between landscape construction and local natural environment and regional culture.Landscape restoration optimization strategies and ideas are to adapt to natural ecology,build suitable landscape space;enrich landscape elements,construct landscape optimization strategies such as different mountain topography,plant landscape,water body,road and other artificial facilities;pay attention to highlight regional culture,retain the continuity of site history and culture;through the integration of natural elements and artificial facilities,scientific management,shape Into a stable ecosystem,beautiful natural scenery,strong cultural connotation around the mountain area.Based on the unique Taoist culture and human resources of Fuquan City,as well as the field investigation and experimental data,this paper puts forward the urban construction function layout plan with "Xiwen(culture)east residence(residence)south work(industry)north business(commerce)" and the spatial structure of" five districts and multi-nodes"around the city mountain body.The five elements of tai chi are used as the overall layout of the mountain around the city,with five functional areas,namely,gold(natural education area),wood(cultural experience area),water(pastoral recreation area),fire(ecological leisure area)and earth(mountain conservation area),covering a total area of 154 0.48 hectares,reflecting the same line,ancient and modern principles.Plant landscape planning,plant selection corresponding to the five elements,the use of local plants to create a four-season landscape,restoration and reconstruction of typical subtropical vegetation community. |
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