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Camponotus japonicus ant mounds indirectly accelerate leaf litter decomposition by altering soil temperature and moisture
Li, Tongchuan1,2; Jia, Yuhua3; Shao, Ming'an1,2,3,4,5; Shen, Nan1,5
2019-11-01
Source PublicationSOIL & TILLAGE RESEARCH
ISSN0167-1987
Volume194Pages:7
Corresponding AuthorShao, Ming'an(shaoma@igsnrr.ac.cn) ; Shen, Nan(shennansilence@163.com)
AbstractAs ecosystem engineers, soil-inhabiting ants can influence soil properties in different ways. However, limited attention has been directed toward the role of Camponotus japonicus on litter decomposition in the Loess Plateau. This study quantified the impact of C. japonicus mounds on soil evaporation, temperature and litter decomposition. The distribution and physical properties of C. japonicus mounds in four slopes (61 m x 5 m) under different vegetation types [Korshinsk peashrub (Caragana korshinskii K.), KOP; purple alfalfa (Medicago saliva L.), ALF; natural fallow, NAF; and millet, MIL] were studied. The density of ant mounds in grass and shrublands was considerably higher than that in croplands. Farming activities and intense soil erosion in the crop slope could play a negative role in mound density. On average, half-ellipsoid ant mounds were 2.48 cm in height and 755 cm(2) in basal area with 0.75 g/cm(3) bulk density. The size distribution of the ant mounds was as follows: 2-3 (6.9%), 1-2 (27.3%), 0.5-1 (16.9%), 0.28-0.5 (18.2%) and < 0.28 nun (30.7%). Porous ant mounds that covered the leaf litter of ALF reduced soil evaporation, increased soil temperature and indirectly accelerated leaf litter decomposition. Concentrations of soil organic matter (SOC), total N, ammonium N, nitrate N, available P and available K were higher in soil under ant mounds than those in surrounding soil under KOP, ALF and NAF. High soil moisture and temperature in the leaf litter and enhanced contact area between the soil particles and the leaf litter promoted litter decomposition and contributed to the formation of a 'fertile island'. These findings may enrich our understanding on the effects of ant activity on soil ecosystems in semiarid areas.
KeywordBioturbation Loess Plateau Soil evaporation
DOI10.1016/j.still.2019.104312
WOS KeywordFORMICA-RUFA GROUP ; RED WOOD ANTS ; HARVESTER ANT ; PLANT DIVERSITY ; LOESS PLATEAU ; CUTTING ANTS ; WATER LOSSES ; SIZE ; FOREST ; NEST
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41530854] ; National Natural Science Foundation of China[41807011] ; National Natural Science Foundation of China[41571130081] ; National Natural Science Foundation of China[41571221]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000486360400022
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/69514
Collection中国科学院地理科学与资源研究所
Corresponding AuthorShao, Ming'an; Shen, Nan
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dtyland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
3.Shenyang Agr Univ, Coll Water Conservancy, Shenyang 110866, Liaoning, Peoples R China
4.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Shaanxi, Peoples R China
5.26 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Li, Tongchuan,Jia, Yuhua,Shao, Ming'an,et al. Camponotus japonicus ant mounds indirectly accelerate leaf litter decomposition by altering soil temperature and moisture[J]. SOIL & TILLAGE RESEARCH,2019,194:7.
APA Li, Tongchuan,Jia, Yuhua,Shao, Ming'an,&Shen, Nan.(2019).Camponotus japonicus ant mounds indirectly accelerate leaf litter decomposition by altering soil temperature and moisture.SOIL & TILLAGE RESEARCH,194,7.
MLA Li, Tongchuan,et al."Camponotus japonicus ant mounds indirectly accelerate leaf litter decomposition by altering soil temperature and moisture".SOIL & TILLAGE RESEARCH 194(2019):7.
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