PDF(816 KB)
Temporal and Spatial Variation of Erosion Gullies in Kebai Black Soil Region of Heilongjiang during the Past 50 Years
YAN Yechao, ZHANG Shuwen, LI Xiaoyan, YUE Shuping
Acta Geographica Sinica ›› 2005, Vol. 60 ›› Issue (6) : 1015-1020.
PDF(816 KB)
PDF(816 KB)
Temporal and Spatial Variation of Erosion Gullies in Kebai Black Soil Region of Heilongjiang during the Past 50 Years
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