Effect of competition on spatial patterns of oak forests on the Chinese Loess Plateau
KANG Di1, 2 , DENG Jian2, 3 , QIN Xiaowei4 , HAO Fei5 , GUO Shujuan2, 3 , HAN Xinhui2, 3, * 
, YANG Gaihe2, 3, *
, YANG Gaihe 