Effects of age and land-use changes on soil carbon and nitrogen sequestrations following cropland abandonment on the Loess Plateau, China
Deng, Lei1,2; Wang, Guo-liang1; Liu, Guo-bin1; Shangguan, Zhou-ping1
2016-05-01
发表期刊ECOLOGICAL ENGINEERING
卷号90期号:2016页码:105-112
文章类型Article
摘要Vegetation restoration and revegetation on land abandonment of cropland has a major impact on the landscape of the Loess Plateau in China. Such processes can alter soil carbon (C) and nitrogen (N) pools and cycling. However, few studies have examined the effect of cropland abandonment on soil C and N sequestration in various land-use types over time. We studied the effects of age and land-use change types on soil C and N sequestration in top 1-m soil depth in the transition from forest to grassland in the center of the Loess Plateau. The results show that age as well as land-use change types had a significant effect on soil C and N sequestrations. Soil C and N sequestrations in the surface soils (0-10 cm) had always increased since cropland abandonment. In the first 10 years, the orchard (OL) and man-made grassland (alfalfa) had higher soil C and N sequestrations than the other types of land uses, such as natural grassland (NG), shrubland (SL), orchard (OL) and woodland (WL). Moreover, in the later stage since cropland abandonment (>20 years), the SL had the high soil C and N sequestrations followed by WL and NG. In addition, the correlations between soil C and N sequestrations were greater in surface soil layers than that in deeper layers, and soil C sequestration was approximately 8-10 times that of soil N sequestration after cropland abandonment. Our study suggests that to get long-term (>20 years) soil C and N sequestration benefits, planting shrubs is a better restoration type in the transition from forest to grassland than natural grassland and woodland on the Loess Plateau, and orchard and man-made grassland (alfalfa) influenced by fertilization also have a good soil C and N sequestration benefits in the short time (<20 years). (C) 2016 Elsevier B.V. All rights reserved.
关键词Dynamics Land-use Change Restoration And Revegetation Soil Depth Carbon-nitrogen Correlation
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.ecoleng.2016.01.086
关键词[WOS]ORGANIC-CARBON ; AGRICULTURAL SOILS ; EXPERIMENTAL FOREST ; SCOTS PINE ; AFFORESTATION ; ACCUMULATION ; PHOSPHORUS ; VEGETATION ; STOCKS ; CHRONOSEQUENCE
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology ; Engineering
WOS类目Ecology ; Engineering, Environmental ; Environmental Sciences
WOS记录号WOS:000373376700015
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5748
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China
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Deng, Lei,Wang, Guo-liang,Liu, Guo-bin,et al. Effects of age and land-use changes on soil carbon and nitrogen sequestrations following cropland abandonment on the Loess Plateau, China[J]. ECOLOGICAL ENGINEERING,2016,90(2016):105-112.
APA Deng, Lei,Wang, Guo-liang,Liu, Guo-bin,&Shangguan, Zhou-ping.(2016).Effects of age and land-use changes on soil carbon and nitrogen sequestrations following cropland abandonment on the Loess Plateau, China.ECOLOGICAL ENGINEERING,90(2016),105-112.
MLA Deng, Lei,et al."Effects of age and land-use changes on soil carbon and nitrogen sequestrations following cropland abandonment on the Loess Plateau, China".ECOLOGICAL ENGINEERING 90.2016(2016):105-112.
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