Variations of soil organic nitrogen fractions during degradation succession in the Gahai Wetland, Northwest China
	
	
		TANG Yan-mei, MA Wei-wei, LI Guang, XU Guo-rong, ZHANG Yue, PAN Ping-xin, SONG Liang-cui, LONG Yong-chun, CHANG Wen-hua
	
	
	Chinese Journal of Applied Ecology
	. 
	
	2021, (11): 4077
	
	-4084
	
	
	. 
	
	DOI: 10.13287/j.1001-9332.202111.035