基于GIS的陕西省苹果种植区域适宜性评价OA

The blessed natural conditions in Shaanxi Province have a significant impact on the development of the apple industry.Conducting an assessment of the suitability of apple planting land throughout the province is of great significance to the local apple industry development.This study takes the entire Shaanxi Province as the research area,relevant indicators were selected,and the analytic hierarchy process(AHP)and geographic information system(GIS)multi-factor weighted average are comprehensively applied to evaluate the land suitability of apple cultivation in Shaanxi Province.The results show that the suitability of apple cultivation in Shaanxi Province is generally good,but regional differences are quite significant.The areas of highly suitable,suitable and unsuitable planting areas in Shaanxi Province were 743,200 hm2,1,840,400 hm2 and 2,696,600 hm2,respectively,accounting for 14.08%,34.85%and 51.07%of the total evaluated area.The areas in Shaanxi Province that are highly suitable for apple cultivation are mainly concentrated in northern Shaanxi and the northern part of the Guanzhong Plain.Northern Shaanxi mainly includes the eastern part of Yulin City and the central and southern part of Yan'an City,while the Guanzhong Plain is mainly concentrated in the northern part of Xianyang City and Tongchuan City.Suitable planting areas are mainly distributed in northern Shaanxi and the northern part of the Guanzhong Plain.Northern Shaanxi mainly includes the western part of Yulin City and the eastern part of Yan'an City,and the Guanzhong Plain is mainly concentrated in the southern part of Tongchuan City,Baoji City,Xianyang City,Weinan City and the northern part of Shangluo City.Unsuitable planting areas are mainly concentrated in the Guanzhong Plain,southern Shaanxi and parts of northern Shaanxi.The Guanzhong Plain mainly includes the central and eastern parts of Baoji City,the southern part of Xianyang City,the central and southern parts of Weinan City and Xi'an City.The southern Shaanxi area mainly includes Hanzhong City,the entire Ankang City and the central and southern parts of Shangluo City.The northern Shaanxi area mainly includes the western and northern parts of Yulin City.The study conclusion can provide a scientific basis for the layout and development of the apple industry within the territory of Shaanxi Province.