Arid
DOI10.1016/j.ecoleng.2019.06.023
The effect of artificial vegetation recovery on the soil nutrients and enzyme activities in subhumid desert land on the southeast Qinghai-Tibetan Plateau, China
Gou, Xiaolin1,2; Hu, Jian2; Chen, Youjun1,2; Wei, Xiaoxing1; Du, Zhong2; Zhou, Qingping1,2
通讯作者Zhou, Qingping
来源期刊ECOLOGICAL ENGINEERING
ISSN0925-8574
EISSN1872-6992
出版年2019
卷号139
英文摘要Revegetation is an effective strategy for enhancing soil quality, but the impact of revegetation on soil processes is currently not well understood, especially in subhumid desert lands across a chronosequence of recovery. Therefore, this study aims to assess the soil nutrients and enzyme activities under successive (from 2013 to 2016) revegetation by Avena sativa, Festuca sinensis and Elymus nutans in subhumid desert on the southeast Qinghai-Tibetan Plateau. The soil organic carbon (SOC), total nitrogen (STN), total phosphorus (STP), ammonium nitrogen (SAN), nitrate nitrogen (SNN), available phosphorus (SAP), saccharase, alkaline phosphatase and urease activities were measured in the 0-10 cm and 10-20 cm soil layers during the growing season in 2016. The results indicated that the restoration by grasses promoted soil nutrients and enzyme activities, but there was a sharp decrease in soil nutrients and enzyme activities after one-year of recovery in the subhumid desert. Compared to the control, revegetation significantly decreased the SOC (36.5%), STN (40.8%), STP (31.5%), saccharase (44.7%), urease (38.5%) and alkaline phosphatase (18.0%) activities in the 0-10 cm soil layer (P < 0.05) after one-year restoration. Recovering by grasses was an efficient way to restore the subhumid desert. However, this process might consume large amounts of soil nutrients and limit soil enzyme activities at the beginning succession stage, which was different from dry or semiarid desert land. Choosing a suitable mixing ratio of artificial grasses and adding fertilizer to the soil at the beginning stage of revegetation are advised for restoring desert lands in alpine areas.
英文关键词Alpine area Degraded grassland Artificial recovery Soil nutrients Enzyme activities
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000487810100017
WOS关键词TENGGER DESERT ; AEOLIAN DESERTIFICATION ; PERENNIAL GRASSES ; XEROPHYTIC SHRUBS ; SPECIES-DIVERSITY ; GROWING-SEASON ; ZOIGE PLATEAU ; PLANT-GROWTH ; SANDY LAND ; RESTORATION
WOS类目Ecology ; Engineering, Environmental ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology ; Engineering
EI主题词2019-11-01
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/310703
作者单位1.Qinghai Univ, Inst Anim & Vet Sci, Xining 810016, Qinghai, Peoples R China;
2.Southwest Minzu Univ, Inst Qinghai Tibetan Plateau, 16,South 4th Sect First Ring Rd, Chengdu 610041, Sichuan, Peoples R China
推荐引用方式
GB/T 7714
Gou, Xiaolin,Hu, Jian,Chen, Youjun,et al. The effect of artificial vegetation recovery on the soil nutrients and enzyme activities in subhumid desert land on the southeast Qinghai-Tibetan Plateau, China[J],2019,139.
APA Gou, Xiaolin,Hu, Jian,Chen, Youjun,Wei, Xiaoxing,Du, Zhong,&Zhou, Qingping.(2019).The effect of artificial vegetation recovery on the soil nutrients and enzyme activities in subhumid desert land on the southeast Qinghai-Tibetan Plateau, China.ECOLOGICAL ENGINEERING,139.
MLA Gou, Xiaolin,et al."The effect of artificial vegetation recovery on the soil nutrients and enzyme activities in subhumid desert land on the southeast Qinghai-Tibetan Plateau, China".ECOLOGICAL ENGINEERING 139(2019).
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