Scale effects of landscape research in Kerqin Sandy Land
科尔沁沙地景观研究中的尺度效应

There is highest heterogeneous on sandy land landscape due to the faci le changing of topography and land cover in Kerqin Sandy Land. The main causes, which induce the landscape changing, include unsuitable human economic activity, precipitation fluctuation, and wind erosion under huge Quaternary sand sediment condition in this area. Therefore, what are relation between the landscape char acters and research scales in different levels is a principal threshold for the landscape study. According to studie...