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240222s2024 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.17201
|2 doi
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|a pubmed24n1303.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Lai, Yuan
|e verfasserin
|4 aut
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|a Global change progressively increases foliar nitrogen-phosphorus ratios in China's subtropical forests
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 23.02.2024
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|a Date Revised 23.02.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © 2024 John Wiley & Sons Ltd.
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|a Globally increased nitrogen (N) to phosphorus (P) ratios (N/P) affect the structure and functioning of terrestrial ecosystems, but few studies have addressed the variation of foliar N/P over time in subtropical forests. Foliar N/P indicates N versus P limitation in terrestrial ecosystems. Quantifying long-term dynamics of foliar N/P and their potential drivers is crucial for predicting nutrient status and functioning in forest ecosystems under global change. We detected temporal trends of foliar N/P, quantitatively estimated their potential drivers and their interaction between plant types (evergreen vs. deciduous and trees vs. shrubs), using 1811 herbarium specimens of 12 widely distributed species collected during 1920-2010 across China's subtropical forests. We found significant decreases in foliar P concentrations (23.1%) and increases in foliar N/P (21.2%). Foliar N/P increased more in evergreen species (22.9%) than in deciduous species (16.9%). Changes in atmospheric CO2 concentrations ( P CO 2 $$ {\mathrm{P}}_{{\mathrm{CO}}_2} $$ ), atmospheric N deposition and mean annual temperature (MAT) dominantly contributed to the increased foliar N/P of evergreen species, while P CO 2 $$ {\mathrm{P}}_{{\mathrm{CO}}_2} $$ , MAT, and vapor pressure deficit, to that of deciduous species. Under future Shared Socioeconomic Pathway (SSP) scenarios, increasing MAT and P CO 2 $$ {\mathrm{P}}_{{\mathrm{CO}}_2} $$ would continuously increase more foliar N/P in deciduous species than in evergreen species, with more 12.9%, 17.7%, and 19.4% versus 6.1%, 7.9%, and 8.9% of magnitudes under the scenarios of SSP1-2.6, SSP3-7.0, and SSP5-8.5, respectively. The results suggest that global change has intensified and will progressively aggravate N-P imbalance, further altering community composition and ecosystem functioning of subtropical forests
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|a Journal Article
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|a N-P imbalance
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|a foliar N:P ratios
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|a global change
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|a herbarium specimens
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|a subtropical forests
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 650 |
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|a Phosphorus
|2 NLM
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| 650 |
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|a 27YLU75U4W
|2 NLM
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| 700 |
1 |
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|a Tang, Songbo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lambers, Hans
|e verfasserin
|4 aut
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| 700 |
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|a Hietz, Peter
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tang, Wenguang
|e verfasserin
|4 aut
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| 700 |
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|a Gilliam, Frank S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Xiankai
|e verfasserin
|4 aut
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| 700 |
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|a Luo, Xianzhen
|e verfasserin
|4 aut
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| 700 |
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|a Lin, Yutong
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Shu
|e verfasserin
|4 aut
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| 700 |
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|a Zeng, Feiyan
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Qi
|e verfasserin
|4 aut
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| 700 |
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|a Kuang, Yuanwen
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 30(2024), 2 vom: 22. Feb., Seite e17201
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:30
|g year:2024
|g number:2
|g day:22
|g month:02
|g pages:e17201
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|u http://dx.doi.org/10.1111/gcb.17201
|3 Volltext
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