Response of soil enzyme activity to long-term restoration of desertified land

doi:10.1016/j.catena.2015.04.012

	Response of soil enzyme activity to long-term restoration of desertified land
	Zhang, Y. L.3; Chen, L. J.3; Chen, X. H.1; Tan, M. L.1; Duan, Z. H.1; Wu, Z. J.3; Li, X. J.1; Fan, X. H.2
刊名	CATENA
	2015-10-01
卷号	133 页码:64-70
关键词	Desert Restoration Desert Vegetation Succession Space-for-time Substitution Microsites Desert Soils Soil Enzyme Activities
ISSN号	0341-8162
DOI	10.1016/j.catena.2015.04.012
英文摘要	Low extracellular enzyme activity in desert soil can be recovered during the succession of re-vegetation, especially in soils forming under shrubs (microsite soil), which closely reflects desert restoration conditions. However, not much is known about the restoration of soil enzyme activity at these microsites. By using the space-for-time substitution method, soils on moving sand dunes that had been stabilized at different dates over a fifty year period at the southeastern fringe of the Tengger Desert were selected to investigate the enzyme activities in the surface soil crust and three other soil depths at microsites to demonstrate the evolution of enzymatic activity at different stages from bare soil to complex vegetation over a fifty year sequence. The results showed that organic C and total and available N, P, and enzyme activities (dehydrogenase, catalase, alpha- and beta- glucosidase, protease, and phosphatase) were progressively enhanced in each microsite soil in the 50-year chronosequence and had effect down to 35 cm depth. Soil enzyme activities of the crust and the 0-5 cm soil layer were higher than in deeper soil layers. The observed increase over time of the values of the measured soil properties, such as organic C, total and available N, was much larger in the crust and the 0-5 cm soil layer in comparison to the deeper layers. The improvement of desert soil quality indicated that desertification can be mitigated to a certain extent under human controls. (C) 2015 Elsevier B.V. All rights reserved.
WOS研究方向	Geology ; Agriculture ; Water Resources
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000359960600007
内容类型	期刊论文
源URL	[http://210.72.129.5/handle/321005/122163]
专题	中国科学院沈阳应用生态研究所
通讯作者	Zhang, Y. L.
作者单位	1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730009, Peoples R China 2.Univ Florida, Trop Res & Educ Ctr, Homestead, FL USA 3.Chinese Acad Sci, Inst Appl Ecol, State Key Lab Forest & Soil Ecol, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Y. L.,Chen, L. J.,Chen, X. H.,et al. Response of soil enzyme activity to long-term restoration of desertified land[J]. CATENA,2015,133:64-70.
APA	Zhang, Y. L..,Chen, L. J..,Chen, X. H..,Tan, M. L..,Duan, Z. H..,...&Fan, X. H..(2015).Response of soil enzyme activity to long-term restoration of desertified land.CATENA,133,64-70.
MLA	Zhang, Y. L.,et al."Response of soil enzyme activity to long-term restoration of desertified land".CATENA 133(2015):64-70.