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Earthworm Burrowing Activity and Its Effects on Soil Hydraulic Properties under Different Soil Moisture Conditions from the Loess Plateau, China
Wen, Shuhai1,2; Shao, Ming'an1,2,3,4; Wang, Jiao1,4
2020-11-01
Source PublicationSUSTAINABILITY
Volume12Issue:21Pages:13
Corresponding AuthorShao, Ming'an(shaoma@igsnrr.ac.cn) ; Wang, Jiao(wangjiao@igsnrr.ac.cn)
AbstractEarthworm activity has become more important in the Loess Plateau, where hydrological processes are crucial for ecosystem sustainability. In this study, we conducted a laboratory microcosm experiment to determine the various burrowing activities of Eisenia fetida and their impact on the soil hydraulic properties in response to different levels of soil moisture (50%, 70%, 90% of field capacity) in two common soil types (loessial and Lou soil) obtained from the Loess Plateau. Burrowing activity of E. fetida increased with higher soil moisture and was greater in loessial than in Lou soil. Most burrowing activities occurred within the top 5 cm and decreased with increasing soil depth. Macropores and burrow branching, which are highly related to the earthworm burrowing, were more prevalent in wetter soil. Earthworms significantly altered the formation of large soil aggregates (AG(L), diameter >2 mm) under different soil moistures and depths. Distinct earthworm burrowing activities, controlled by soil moisture, altered soil hydraulic properties. However, soil saturated hydraulic conductivity (Ks) showed little differences between different treatments due to the horizontal and high-branched burrows of E. fetida, although higher burrowing activities were found in wetter soil. Soil field capacity was highest in drier soil due to the less macropores and burrowing activities.
Keywordearthworm burrows soil moisture soil aggregates hydraulic properties Loess Plateau
DOI10.3390/su12219303
WOS KeywordMACROPORE CHARACTERISTICS ; APORRECTODEA-CALIGINOSA ; ORGANIC-MATTER ; WATER ; CASTS ; LUMBRICIDAE ; TEMPERATURE ; AGGREGATION ; PARAMETERS ; STABILITY
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA23070202]
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences
WOS Research AreaScience & Technology - Other Topics ; Environmental Sciences & Ecology
WOS SubjectGreen & Sustainable Science & Technology ; Environmental Sciences ; Environmental Studies
WOS IDWOS:000589327100001
PublisherMDPI
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/156724
Collection中国科学院地理科学与资源研究所
Corresponding AuthorShao, Ming'an; Wang, Jiao
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modelling, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
3.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
4.11A Datun Rd, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Wen, Shuhai,Shao, Ming'an,Wang, Jiao. Earthworm Burrowing Activity and Its Effects on Soil Hydraulic Properties under Different Soil Moisture Conditions from the Loess Plateau, China[J]. SUSTAINABILITY,2020,12(21):13.
APA Wen, Shuhai,Shao, Ming'an,&Wang, Jiao.(2020).Earthworm Burrowing Activity and Its Effects on Soil Hydraulic Properties under Different Soil Moisture Conditions from the Loess Plateau, China.SUSTAINABILITY,12(21),13.
MLA Wen, Shuhai,et al."Earthworm Burrowing Activity and Its Effects on Soil Hydraulic Properties under Different Soil Moisture Conditions from the Loess Plateau, China".SUSTAINABILITY 12.21(2020):13.
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