兰州大学机构库
Coastal soil texture controls soil organic carbon distribution and storage of mangroves in China
Wang, Q(王强)1; Wen, Yangxue1; Zhao, Bo1; Hong, Hualong2; Liao, Ran3; Li, Junwei4; Liu, Jingchun2; Lu, Haoliang2; Yan, Chongling2
2021-12
Online publication date2021-09
Source PublicationCATENA   Impact Factor & Quartile Of Published Year  The Latest Impact Factor & Quartile
ISSN0341-8162
EISSN1872-6887
Volume207
page numbers9
AbstractMangroves are among the most carbon-rich forests in the tropics, but the spatial variation in soil organic carbon (SOC) storage and the mechanisms controlling their stability remain contentious. Here, we proposed a new framework based on distinct coastal soil textures (muddy, sandy, and mud-sand mixed soil) and found that coastal soil texture exhibits regional-scale variations in mangrove soil C:N:P stoichiometry and SOC storage. Using this soil texture classification framework, we identified the important role of mud-sand mixed soil, which functions as a blue carbon hotspot in coastal wetlands. We showed that mangrove SOC storage was underestimated by approximately 37% in mud-sand mixed soil and overestimated by approximately 54% in muddy soil. We further revealed that the chemical composition of SOC and clay mineralogy are responsible for SOC stability by combining physical and chemical characterizations. As a microbial-derived C, glomalin-related soil protein (GRSP) contained higher alkyl C (similar to 58%) and lower O-alkyl C (similar to 17%) than mangrove soils, indicating that GRSP contributes to the stable SOC pool by its recalcitrant structure. We further found that the C:N:P stoichiometric signature of GRSP can capture variations in mangrove SOC storage compatible with distinct coastal soil textures. These results highlight the role of GRSP in regulating SOC stabilization mechanisms, potentially attenuating coastal blue carbon-climate feedback. Regional-scale variation in SOC linked to coastal soil textures can provide more robust estimates of the contribution of mangrove SOC to global C dynamics.
KeywordMangrove soil Carbon stabilization mechanism C:N:P stoichiometry Coastal soil texture Glomalin-related soil protein
PublisherELSEVIER
DOI10.1016/j.catena.2021.105709
Indexed BySCOPUS ; SCIE
Language英语
WOS Research AreaGeology ; Agriculture ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS IDWOS:000703268900122
Original Document TypeArticle
Citation statistics
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/470402
Collection兰州大学
草地农业科技学院
Corresponding AuthorYan, Chongling
Affiliation
1.Lanzhou Univ, Coll Pastoral Agr Sci & Technol, State Key Lab Grassland Agroecosyst, Lanzhou 730000, Peoples R China;
2.Xiamen Univ, Key Lab Minist Educ Coastal & Wetland Ecosyst, Xiamen 361102, Peoples R China;
3.Tsinghua Int Grad Sch Shenzhen, Guangdong Res Ctr Polarizat Imaging & Measurement, Shenzhen 518055, Peoples R China;
4.Guangxi Normal Univ, Key Lab Minist Ecol Rare & Endangered Species & E, Guilin 541004, Peoples R China
First Author AffilicationCollege of Pastoral Agriculture Science and Technology
First Signature AffilicationCollege of Pastoral Agriculture Science and Technology
Recommended Citation
GB/T 7714
Wang, Qiang,Wen, Yangxue,Zhao, Bo,et al. Coastal soil texture controls soil organic carbon distribution and storage of mangroves in China[J]. CATENA,2021,207.
APA Wang, Qiang.,Wen, Yangxue.,Zhao, Bo.,Hong, Hualong.,Liao, Ran.,...&Yan, Chongling.(2021).Coastal soil texture controls soil organic carbon distribution and storage of mangroves in China.CATENA,207.
MLA Wang, Qiang,et al."Coastal soil texture controls soil organic carbon distribution and storage of mangroves in China".CATENA 207(2021).
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