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Advances in Engineering Research, volume 184 2nd International Conference on Sustainable Energy, Environment and Information Engineering (SEEIE 2019) Evaluation of Available Land Resources Based on Three Types of Space: Town, Agriculture and Ecology —Taking Panzhou City, Guizhou Province as an Example Weiyi Tan1,3, Zhongfa Zhou1,3,*, Yuting Hou1,2 and Quan Chen1,2 1School of Karst Science/School of Geography & Environmental Science, Guizhou Normal University, Guiyang, Guizhou 550001, China 2The State Key Laboratory Incubation Base for Karst Mountain Ecology Environment of Guizhou Province, Guiyang Guizhou 550001, China 3State Engineering Technology Institute for Karst Desertification Control, Guiyang, Guizhou 550001, China *Corresponding author Abstract—The rational use of limited land resources is of environment lead to the shortage of land resources and the great importance to the division of land space and the contradiction between man and land, which determines that the coordination of man land relationship, strictly implement the land use in Karst areas must be highly efficient and intensive[2]. ecological function orientation of Karst mountain area, on the When evaluating the available land resources, the main basis of scientifically defining three kinds of space: Town, functions of the region should be fully considered, the guidance agriculture and ecology, supported by RS and GIS means, and binding power of space should be emphasized, and the combining the three kinds of spatial division results of town, allocation of land resources should be planned accordingly[3]. agriculture and ecology, the optimal allocation of land resources The division of the three categories of urban, agricultural and is realized, using ArcGIS spatial overlay analysis, according to ecological space is based on the requirements of the "National the evaluation model of available land resources and the Development and Reform Commission's Guiding Opinions on classification standard of available land resources, the evaluation of the three kinds of space available land resources was carried Reform and Innovation of Economic and Social Development out. It is beneficial to control and deploy land resources in the Planning in Cities and Counties for the Thirteenth Five-year three types of space, realize the protection and restoration of the Plan", strictly implementing the functional orientation of cities environment, maintain the structure of the ecosystem, and and counties and scientifically dividing . Evaluating the guarantee the ecological security of the region. The results show available land resources in the three types of space is that, the available land resource is 204.79 km2, overall conducive to further strengthening the differentiated distribution characteristics are more in the South than in the management and control measures in the three types of urban, north and the East, more in the west, and lower in the terrain agricultural and ecological spaces and effectively integrating than in the terrain, per capita available resources is only 0.12 development with layout, development and protection. acres, the abundance of available land resources can be divided into three levels: rich, medium and relatively deficient, the area The available land is an important index in the provincial of available land resources in each functional space is sorted into main functional zoning. With the contradictions of resources, ecological space, agricultural space and urban space. There is a environment, population and socio-economic development certain spatial consistency between the three types of spatial becoming increasingly prominent, the contradiction between scope and the available land resource evaluation results. The supply and demand of land also tends to be fierce[4]. The land resources use situation is relatively coordinated, and predatory exploitation of land in the Karst region has caused intensive use and protection should be strengthened. serious damage to resources and undermined the structure and function of resources, environment and ecosystems[5]. Keywords—main functional areas; towns, agriculture and Government departments and academia have conducted ecology; available land resources; GIS and remote sensing extensive research on land resource assessment. At present, it mainly includes two aspects of evaluation research: land I. INTRODUCTION suitability evaluation[6-9] and land resource sustainable use Different regions have different features and different evaluation[10-12]. The former evaluation system, evaluation natural conditions. The problems of resources, environment, methods and methods have formed a wealth of experience in economy, society and population are different, and land use all aspects, and the latter from the index system and evaluation patterns are often different. The regional characteristics of land methods of the theoretical framework has made numerous resources distribution and socio-economic development make achievements, but mostly small space for one or several of the land resources in the process of functional zoning In the appropriate land Way of research. In general, there is still not analysis, we must pay attention to the regional[1]. The poor much research on the multi-objective and quantitative study on natural conditions in Karst mountains and the fragile ecological Copyright © 2019, the Authors. Published by Atlantis Press. This is an open access article under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/). 15 Advances in Engineering Research, volume 184 the complex Karst mountainous areas in the evaluation of III. RESEARCH METHODS available land resources using 3S technology. A. Data Source and Pretreatment Nowadays, as the era of data information has entered, with According to the main function orientation of Panzhou City, the development of big data technology, computers can easily using the standard unified geospatial basic data and access and process valid data through the Internet, Internet of geographical census results, using ArcGIS and ENVI software Things and sensors. The remote sensing-based survey method platform to prepare the spatial planning basemap, delineating has the characteristics of large-area synchronous observation, the scope of the negative list of space development, and timeliness, high data comprehensiveness and economy. The integrating the results of the evaluation and the status quo research uses the 3S technology to synthesize various elements Surface subdivision, through image interpretation verification, and uses the spatial analysis method to scientifically and field verification and coordination, and ultimately determine objectively evaluate the available land in the Karst mountains the spatial distribution of urban, agricultural and ecological The spatial distribution, the quantitative characteristics and the boundaries and the specific boundaries. The research data classification of resources are compared. The comparative mainly include l: l0000 regional topographic maps. In 2016, the analysis of the available land resources abundance in the three ALOS remote sensing image data come from the geospatial types of space is made to clarify the rules and causes of the data cloud (http://www.gscloud.cn/). The population-related available land resources in each functional area. In the context data mainly come from all counties and cities in 2016 of the booming development of "big data" , Relying on the "Statistical Yearbook "and" Statistical Bulletin of National quantitative real operation index system is conducive to the Economic and Social Development." Through the implementation of the national main functional zone strategy to interpretation of remote sensing images, combined with field promote multi-disciplinary integration. In order to strengthen surveys and sample site monitoring, derived derived data of the environmental protection and management of the main land use types, development suitability, current status of functional zones in the country, realize the allocation of surface subareas in Panzhou City. Using digital topographic optimized space resources in the Karst mountainous areas and map, land use status map and administrative map and other regulate the spatial development order Provide scientific basis maps, after spatial processing and spatial superposition, the and decision support. data extraction and spatial analysis are performed according to the calculation formula, and the abundance of available land II. RESEARCH AREA OVERVIEW resources is graded according to the grading standards. Located in the west of Guizhou Province and southwestern Liupanshui City, Panzhou is located in the junction of Yunnan, B. Three Types of Space Delineation Guizhou and Guangxi. It is known as the Throat of Yunnan and Panzhou City, agriculture and ecology of the three types of Guizhou and the Fortress of Chuanqian and is the west gate of space division mainly by field surveys, satellite mapping, GIS Guizhou. Between 104 °17'46-"104°57'46" longitude and spatial analysis and database construction and other 25°19'36 "-26°17'36" north latitude, with Pu'an County in the technologies, based on the first National Geographic census east, Xingyi City in the south, Fuyuan County, Yunnan data and mapping results delineated. Determine the technical Province, Xuanwei City, north Shuicheng County. Throughout process include: scientific research and demarcation of the territory of 107 km long from north to south, east-west program identification, field research,