TY - CONF AU - Hiroyuki Miyazaki AU - Wanglin Yan BT - 8th Geospatial Information Student Forum CY - Yokohama, Japan DA - 2006 LA - eng PP - Yokohama, Japan PY - 2006 T2 - 8th Geospatial Information Student Forum TI - Assessment of the grazing pressure to pasture in plateau region: a case study in Maduo Xian, Qinghai Province ER -