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藏北高寒草地土壤有机质化学组成对土壤蛋白酶和脲酶活性的影响
马书琴1, 汪子微2,3, 陈有超4, 鲁旭阳2,*()
Effect of soil organic matter chemical compositions on soil protease and urease activity in alpine grassland soils in Northern Xizang, China
MA Shu-Qin1, WANG Zi-Wei2,3, CHEN You-Chao4, LU Xu-Yang2,*()

图4. 藏北不同高寒草地类型土壤有机质化学成分相对丰度。AD, 高寒荒漠; ADS, 高寒荒漠草原; AM, 高寒草甸; AMS, 高寒草甸草原; AS, 高寒草原。

Fig. 4. Relative abundance of soil organic matter chemical compositions in different grassland soils in Northern Xizang, China. AD, alpine desert; ADS, alpine desert steppe; AM, alpine meadow; AMS, alpine meadow steppe; AS, alpine steppe.