TY - Acta Prataculturae Sinica A1 - Yang-jing XIU, Meng-jing HOU, Jiao-yang TIAN, Tian-gang LIANG, Qi-sheng FENG T1 - Characteristics of temporal and spatial variation in landscape ecological risk in Gansu Province based on land use and cover Y1 - 2023-01-20 JF - Acta Prataculturae Sinica JO - Acta Prataculturae Sinica SP - 1 EP - 15 VL - 32 IS - 1 UR - http://cyxb.magtech.com.cn N1 - 10.11686/cyxb2021298 ER -