Abstract
Ecological suitability evaluation is an important prerequisite for rational distribution of tourism. Take Xi’an as an example, selecting six factors as evaluation indexes: elevation, slope, vegetation coverage, river, landscape quality and traffic. After using RS, GIS techniques and resorting to factor weighted super-position method and obtaining the results. The results show that the most suitable, suitable, basic suitable, unsuitable and unavailable land of Xi’an rural tourism respectively account for 17.5%, 25.4%, 20.63%, 22.12% and 14.35%. According to the distribution pattern of different suitability, the corresponding land use measures are put forward for development of rural tourism in Xi’an city, which provides a theoretical basis for Xi’an to explore the coordinated path of ecological protection and economic development.
Highlights
Man-land relationship has always been an important scientific issue in geography, ecology, urban planning and other fields
In the formula, i is the raster number; k is the evaluation factor number; n is the total number of evaluation factors; S is the comprehensive evaluation value of the first grid, and w is the weight of the k factor; C k is the value of the evaluation factor suitability for the K of the first grid
(1) Elevation According to the DEM analysis of Xi'an digital elevation model, the lowest elevation of Xi'an is 207 meters and the highest elevation is 3754 meters
Summary
Man-land relationship has always been an important scientific issue in geography, ecology, urban planning and other fields. The relationship between man and land is mainly the “mutual inductance” [1] relationship between human socio-economic activities and ecological resources such as land and spaces. Rural tourism is a new growth point of rural economic development under the “New Normal”. It can help effectively solve the “three-agriculture” issue and promote the construction of beautiful rural and ecological civilization [2]. Based on the perspective of human-land relationship, sensing rural ecological environment is significant for providing exploration path for rural tourism. Relying on the above humanistic and ecological resources, rural tourism in the suburban area of Xi’an is developing rapidly, and facing the problems of declining environmental quality, dislocation of land use and low utilization of resources. Land use in the study area is divided into farmland, garden land, forest land, water area and construction land. (2) Digital elevation model data (DEM), obtained by Geospatial Data Cloud
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