Microclimate response of soil to plateau pika's disturbance in the northeast Qinghai-Tibet Plateau
Ma, Y. J.1,2,3; Wu, Y. N.2; Liu, W. L.2; Li, X. Y.1,2; Lin, H. S.3,4,5
2018-03-01
发表期刊EUROPEAN JOURNAL OF SOIL SCIENCE
卷号69期号:2页码:232-244
文章类型Article
摘要The plateau pika (Ochotona curzoniae) is one of the main native soil faunas on the Qinghai-Tibet Plateau and plays a key role in the terrestrial ecosystem there. To understand how and why the soil microclimate changes after the plateau pika's disturbance, this study measured soil, vegetation, hydrologic and thermal properties and investigated soil moisture and soil temperature dynamics from 2014 to 2015 at the plot scale of four types of land surface: original grassland, new mound, old mound and bald patch. Our results showed that the average coefficients of surface runoff of original grassland, new mound, old mound and bald patch were 0.6, 3.0, 4.3 and 10.0%, respectively (P<0.05). Evapotranspiration was largest for original grassland, especially under wet conditions, and was similar among the other three types of land surface during the growing season (P<0.01). During varying precipitation events, the soil moisture content of new mound increased first, followed by old mound, original grassland and bald patch. Meanwhile, the increasing magnitude of soil moisture content had the same order. At the seasonal timescale, soil moisture content at 5-cm depth was largest for old mound and smallest for bald patch (P<0.01). The mean daily soil temperature at 5-cm depth of new mound was approximately 0.8 degrees C higher than that of old mound (P<0.01) because of the smaller land surface reflectance of the former. The daily range of soil temperature at 5-cm depth of original grassland and bald patch was about 2.7 and 4.7 degrees C higher than the average value of new and old mounds, respectively, because of the larger soil thermal conductivity of the former two. A conceptual framework is suggested in this study to synthesize the evolution of soil microclimate under disturbance by the plateau pika. Overall, results indicated that new and old mounds accelerate soil hydrologic processes and have a better soil temperature buffer.
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1111/ejss.12540
关键词[WOS]OCHOTONA-CURZONIAE ; LAND-USE ; CHINA ; RUNOFF ; BIODIVERSITY ; DYNAMICS ; COVER ; INFILTRATION ; TEMPERATURE ; EVAPORATION
收录类别SCI
语种英语
WOS研究方向Agriculture
WOS类目Soil Science
WOS记录号WOS:000426727100002
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5224
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Beijing Normal Univ, State Key Lab Earth Surface Proc & Resource Ecol, Xinjiekouwai St 19, Beijing 100875, Peoples R China
2.Beijing Normal Univ, Sch Nat Resources, Xinjiekouwai St 19, Beijing 100875, Peoples R China
3.Penn State Univ, Dept Ecosyst Sci & Management, University Pk, PA 16802 USA
4.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Shaanxi, Peoples R China
5.Xian AMS Ctr, Shaanxi Key Lab Accelerator Mass Spectrometry Tec, Yanxiang Rd 97, Xian 710061, Shaanxi, Peoples R China
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Ma, Y. J.,Wu, Y. N.,Liu, W. L.,et al. Microclimate response of soil to plateau pika's disturbance in the northeast Qinghai-Tibet Plateau[J]. EUROPEAN JOURNAL OF SOIL SCIENCE,2018,69(2):232-244.
APA Ma, Y. J.,Wu, Y. N.,Liu, W. L.,Li, X. Y.,&Lin, H. S..(2018).Microclimate response of soil to plateau pika's disturbance in the northeast Qinghai-Tibet Plateau.EUROPEAN JOURNAL OF SOIL SCIENCE,69(2),232-244.
MLA Ma, Y. J.,et al."Microclimate response of soil to plateau pika's disturbance in the northeast Qinghai-Tibet Plateau".EUROPEAN JOURNAL OF SOIL SCIENCE 69.2(2018):232-244.
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