EN中文
The Land Use Change and Its Eco-environmental Effects in Transitional Agro-pastoral Region ——A Case Study of Yulin City in Northern Shaanxi Province
YANG Shuhe, YAN Haili, GUO Liying
PROGRESS IN GEOGRAPHY . 2004, (6): 49 -55 .  DOI: 10.11820/dlkxjz.2004.06.006