河套绿洲土地覆盖类型变化特征及驱动因素

刘立平, 刘良旭, 连杰, 卢建男, 王国林

Land cover type change characteristics and driving factors in Hetao oasis

Liping Liu, Liangxu Liu, Jie Lian, Jiannan Lu, Guolin Wang

图7 牲畜头数与耕地面积变化拟合曲线

Fig.7 The fitting curve between livestock and cultivated land area