Ecological restoration zoning of cultivated land in Tacheng City based on soil quality and landscape pattern
Taking Tacheng City,Xinjiang as the research object,an evaluation index system was constructed from the perspective of soil quality and landscape pattern to evaluate the soil quality and landscape pattern of cultivated land.The results showed that the soil quality of cultivated land in Tacheng City was divided into four levels.Grade Ⅰ cultivated land accounted for 9.95％,Grade Ⅱ cultivat-ed land accounted for 27.99％,Grade Ⅲ cultivated land accounted for 37.04％,and Grade IV cultivated land accounted for 25.02％.Grade Ⅰ cultivated land could be used as a selection object for high standard cultivated land construction,while Grade Ⅳ cultivated land was not suitable for development and required soil remediation;the landscape pattern of cultivated land in Tacheng City was divid-ed into four levels.Grade I cultivated land accounted for 34.6％,Grade Ⅱ cultivated land accounted for 40.1％,Grade Ⅲ cultivated land accounted for 21.6％,and Grade Ⅳ cultivated land accounted for 3.7％;based on the soil quality and landscape pattern,the eco-logical restoration areas of cultivated land in Tacheng City were divided into 6 categories:218 km2 of high-quality protection area,279 km2 of soil quality improvement area,196 km2 of soil quality restoration area,192 km2 of landscape pattern improvement area,58 km2 of landscape pattern restoration area,and 70 km2 of farmland restoration area.Overall,the key direction for ecological restora-tion of cultivated land in Tacheng City was soil quality improvement and restoration.
万方数据
维普
