Effects of slope aspect and altitude on the soil seed bank under different vegetations in Laji Mountains of Qinghai Province, Northwest China.
	
	
		HUANG Rui-ling1,2, ZHOU Hua-kun1**, LIU Ze-hua2, LEI Zhan-lan2, YAO Bu-qing1, WANG Xin-chuan3, WANG Wen-ying2, ZHAO Xin-quan1
	
	
	cje
	. 
	
	2013, (10): 2679
	
	-2686
	
	
	.