Arid
DOI10.1007/s11258-021-01218-1
Close linkages between leaf functional traits and soil and leaf C:N:P stoichiometry under altered precipitation in a desert steppe in northwestern China
Li, Chunhuan; Yu, Hailong; Xu, Yixin; Zhu, Wanwan; Wang, Pan; Huang, Juying
Corresponding AuthorHuang, JY (corresponding author),Ningxia Univ, Sch Ecol & Environm, Yinchuan 750021, Ningxia, Peoples R China. ; Huang, JY (corresponding author),Breeding Base State Key Lab Land Degradat & Ecol, Yinchuan 750021, Ningxia, Peoples R China. ; Huang, JY (corresponding author),Minist Educ, Key Lab Restorat & Reconstruct Degraded Ecosyst N, Yinchuan 750021, Ningxia, Peoples R China.
JournalPLANT ECOLOGY
ISSN1385-0237
EISSN1573-5052
Year Published2022-01
Abstract in EnglishLeaf functional traits are important for characterizing plant nutrient strategies. The C:N:P stoichiometric balance in soils and plants, which could indicate types of nutrient limitation, is altered under changing precipitation patterns. However, whether such alterations affect leaf functional traits remains unclear. We conducted a three-year simulated precipitation experiment in a desert steppe in northwestern China to determine changes in leaf photosynthetic traits and nutrient conservation traits in five plant species and tested the relationships of these traits with soil and leaf C:N:P stoichiometry. The five species showed few changes in their leaf traits under drought conditions, but they adjusted these traits (especially P traits) under extremely wet conditions (50% increase in precipitation). Improved leaf photosynthetic N and P use, lowered leaf P uptake, and enhanced leaf N resorption might help Lespedeza potaninii to rely less on soil nutrients in extremely wet environments than other species do. Leaf photosynthetic traits were regulated primarily by soil and leaf C:N:P stoichiometry. Leaf nutrient conservation traits were controlled by both leaf C:N:P stoichiometry and soil properties (i.e., enzyme activity and microbial biomass), a condition especially true for P traits. The results suggest that precipitation-induced alteration in the C:N:P stoichiometric balance might have important influences on plant nutrient use strategies and even on the nutrient cycling of desert steppes.
Keyword in EnglishArid and semiarid regions Changing precipitation pattern Elemental stoichiometric balance Nutrient conservation Photosynthesis
SubtypeArticle ; Early Access
Language英语
Indexed BySCI-E
WOS IDWOS:000750433200001
WOS KeywordNUTRIENT RESORPTION ; NITROGEN ; DROUGHT ; PHOTOSYNTHESIS ; TEMPERATURE ; PHOSPHORUS ; RESPONSES ; PATTERNS ; LEAVES ; VARIABILITY
WOS SubjectPlant Sciences ; Ecology ; Forestry
WOS Research AreaPlant Sciences ; Environmental Sciences & Ecology ; Forestry
Document Type期刊论文
Identifierhttp://119.78.100.177/qdio/handle/2XILL650/377067
Affiliation[Li, Chunhuan; Xu, Yixin; Huang, Juying] Ningxia Univ, Sch Ecol & Environm, Yinchuan 750021, Ningxia, Peoples R China; [Li, Chunhuan; Huang, Juying] Breeding Base State Key Lab Land Degradat & Ecol, Yinchuan 750021, Ningxia, Peoples R China; [Li, Chunhuan; Huang, Juying] Minist Educ, Key Lab Restorat & Reconstruct Degraded Ecosyst N, Yinchuan 750021, Ningxia, Peoples R China; [Li, Chunhuan; Yu, Hailong; Zhu, Wanwan; Wang, Pan] Ningxia Univ, Sch Geog & Planning, Yinchuan 750021, Ningxia, Peoples R China
Recommended Citation
GB/T 7714
Li, Chunhuan,Yu, Hailong,Xu, Yixin,et al. Close linkages between leaf functional traits and soil and leaf C:N:P stoichiometry under altered precipitation in a desert steppe in northwestern China[J],2022.
APA Li, Chunhuan,Yu, Hailong,Xu, Yixin,Zhu, Wanwan,Wang, Pan,&Huang, Juying.(2022).Close linkages between leaf functional traits and soil and leaf C:N:P stoichiometry under altered precipitation in a desert steppe in northwestern China.PLANT ECOLOGY.
MLA Li, Chunhuan,et al."Close linkages between leaf functional traits and soil and leaf C:N:P stoichiometry under altered precipitation in a desert steppe in northwestern China".PLANT ECOLOGY (2022).
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