Construction of Border Demonstration Village and Ecological Environment Monitoring Based on GF-1 Data : A Case Study of Yumai Township

The construction scale and ecological environment of Yumai were studied by using ENVI and ArcGIS based on GF-1 and GF-2 data. The results showed that the building area and road length of Yumai increased by 0.25km² and 1.18km from 2015 to 2019. Winter snow cover area reduced by 80.17km². Compared with 2015, the vegetation in the eastern region was relatively good in 2019, and the area of medium and high coverage vegetation increased by 79.00km² and 147.52km², respectively.