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Response of density-related fine root production to soil and leaf traits in coniferous and broad-leaved plantations in the semiarid loess hilly region of China
Sun, Meimei1,2; Zhai, Bo-Chao1,2; Chen, Qiu-Wen1,2; Li, Guoqing1,3; Du, Sheng1,3
2021-06-06
Source PublicationJOURNAL OF FORESTRY RESEARCH
ISSN1007-662X
Pages12
Corresponding AuthorDu, Sheng(shengdu@ms.iswc.ac.cn)
AbstractFine roots are the most active and functional component of root systems and play a significant role in the acquisition of soil resources. Density is an important structural factor in forest plantations but information on changes in fine roots along a density gradient is limited. In this study, plantations of black locust (Robinia pseudoacacia L.) and Chinese pine (Pinus tabuliformis Carr.) with four density classes were analyzed for the influence of soil and leaf traits on fine root growth. Fine root biomass increased with stand density. High fine root biomass was achieved through increases in the fine root production and turnover rate in the high-density black locust plantations and through an increase in fine root production in the pine plantations. In the high-density Chinese pine stand, there was a high fine root turnover which, coupled with high fine root production, contributed to a high fine root biomass. Overall, fine root production and turnover rate were closely related to soil volumetric water content in both kinds of plantations, while fine root biomass, especially the component of necromass, was related to soil nutrient status, which refers to phosphorous content in black locust plantations and nitrogen content in Chinese pine plantations. There was a close linkage between leaf area index and fine root dynamics in the black locust plantations but not in the pine plantations.
KeywordFine roots Black locust Chinese pine Semiarid Soil moisture Leaf area index
DOI10.1007/s11676-021-01358-0
WOS KeywordPRECIPITATION GRADIENT ; RESOURCE-ACQUISITION ; PINUS-TABULIFORMIS ; BIOMASS PRODUCTION ; FOREST ECOSYSTEMS ; SPECIES-DIVERSITY ; STAND DEVELOPMENT ; BOREAL FORESTS ; BEECH FORESTS ; BLACK LOCUST
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2017YFC0504601]
Funding OrganizationNational Key R&D Program of China
WOS Research AreaForestry
WOS SubjectForestry
WOS IDWOS:000658270500001
PublisherNORTHEAST FORESTRY UNIV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/164002
Collection中国科学院地理科学与资源研究所
Corresponding AuthorDu, Sheng
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Northwest A&F Univ, Coll Forestry, Yangling 712100, Shaanxi, Peoples R China
3.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Sun, Meimei,Zhai, Bo-Chao,Chen, Qiu-Wen,et al. Response of density-related fine root production to soil and leaf traits in coniferous and broad-leaved plantations in the semiarid loess hilly region of China[J]. JOURNAL OF FORESTRY RESEARCH,2021:12.
APA Sun, Meimei,Zhai, Bo-Chao,Chen, Qiu-Wen,Li, Guoqing,&Du, Sheng.(2021).Response of density-related fine root production to soil and leaf traits in coniferous and broad-leaved plantations in the semiarid loess hilly region of China.JOURNAL OF FORESTRY RESEARCH,12.
MLA Sun, Meimei,et al."Response of density-related fine root production to soil and leaf traits in coniferous and broad-leaved plantations in the semiarid loess hilly region of China".JOURNAL OF FORESTRY RESEARCH (2021):12.
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