TY - Journal of Changjiang River Scientific Research Institute A1 - HE Xiao-qian, LIU Ce T1 - Spatial Accessibility of National Nature Reserves in the Yangtze River Economic Belt and Its Influencing Factors Y1 - 2022-11-01 JF - Journal of Changjiang River Scientific Research Institute JO - Journal of Changjiang River Scientific Research Institute SP - 9 EP - 16 VL - 39 IS - 11 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.202111682022 ER -