Leaf nitrogen and phosphorus stoichiometry of plant communities in geochemically phosphorus-enriched soils in a subtropical mountainous region, SW China
Yan, K; Duan, CQ; Fu, DG; Li, J; Wong, MHG; Qian, L; Tian, YX
2015
Source PublicationENVIRONMENTAL EARTH SCIENCES
ISSN1866-6280
Volume74Issue:5Pages:3867-3876
AbstractLeaf nitrogen (N) and phosphorus (P) stoichiometry might reflect the biogeochemical features of ecosystems, yet the potential range of stoichiometric flexibility under geochemically P-enriched soils (GPES) is still unclear. Leaf N and P of 126 plant species in 70 vegetation plots in GPES were investigated in central Yunnan, southwestern China, and leaf P fractions (i.e., inorganic vs. organic P) of the dominant species were examined. Our objectives were to improve the understanding of the role of soil N and P variability in controlling leaf N and P stoichiometry of plant communities in GPES. We found that plants in GPES had higher mean leaf P (4.07 mg/g) and lower N:P ratios (4.94) than average plant values that have been recorded in other parts of the world so far. Some fast-growing plants had extremely high leaf P (> 10 mg/g). Community leaf N and P contents increased as soil N availability increased, but soil N variability was unrelated to community leaf N:P. Instead, community leaf P and N:P ratios were primarily determined by soil P; as soil P availability increased, leaf P increased and leaf N:P significantly decreased. Greater accumulation of inorganic P relative to organic P in leaf was the direct driving factor for community leaf P and N:P ratio patterns in GPES. Although soil P availability was the main controlling factor of leaf N:P patterns, community composition could be manipulated to restore the balance of N and P stoichiometry based on the different responses across species and plant types.
SubtypeJournal
KeywordSpecies-specific responses Leaf inorganic phosphorus Leaf organic phosphorus Geochemically P-enriched soils (GEES) Central Yunnan
Subject AreaEnvironmental Sciences & Ecology ; Geology ; Water Resources
WOS Subject ExtendedEnvironmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS KeywordN-P RATIOS ; FUNCTIONAL-SIGNIFICANCE ; TERRESTRIAL ECOSYSTEMS ; NUTRIENT RESORPTION ; PATTERNS ; FORESTS ; PHYTOREMEDIATION ; SUCCESSION ; LIMITATION ; WORLDWIDE
Indexed BySCI
Language英语
WOS IDWOS:000360401400018
PublisherSPRINGER
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/44367
Collection生态系统网络观测与模拟院重点实验室_生态网络实验室
Recommended Citation
GB/T 7714
Yan, K,Duan, CQ,Fu, DG,et al. Leaf nitrogen and phosphorus stoichiometry of plant communities in geochemically phosphorus-enriched soils in a subtropical mountainous region, SW China[J]. ENVIRONMENTAL EARTH SCIENCES,2015,74(5):3867-3876.
APA Yan, K.,Duan, CQ.,Fu, DG.,Li, J.,Wong, MHG.,...&Tian, YX.(2015).Leaf nitrogen and phosphorus stoichiometry of plant communities in geochemically phosphorus-enriched soils in a subtropical mountainous region, SW China.ENVIRONMENTAL EARTH SCIENCES,74(5),3867-3876.
MLA Yan, K,et al."Leaf nitrogen and phosphorus stoichiometry of plant communities in geochemically phosphorus-enriched soils in a subtropical mountainous region, SW China".ENVIRONMENTAL EARTH SCIENCES 74.5(2015):3867-3876.
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