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DOI10.1111/1365-2745.14261
Long-term stability of sapling dynamics is regulated by soil phosphorus availability in subtropical forest
Liang, Minxia; Zheng, Yi; Johnson, David; Burslem, David F. R. P.; Shi, Liuqing; Zhang, Juanjuan; Yu, Shixiao; Liu, Xubing
发表日期2024
ISSN0022-0477
EISSN1365-2745
起始页码112
结束页码3
卷号112期号:3
英文摘要The abiotic and biotic factors that regulate stability in species-rich forests are poorly resolved, and this limits the ability to predict how climate change and other perturbations impact forest dynamics. Phosphorus limitation and nitrogen deposition are important factors affecting the dynamics and functioning of tropical and subtropical forests, but how long-term temporal stability of tree communities is affected by availability and heterogeneity of soil phosphorus and nitrogen remains unclear.We collected annual dynamic data of 20,768 regenerating saplings, which were censused from 2008 to 2019 in a subtropical forest, to investigate how soil nutrients affect the temporal stability of productivity at both population and community levels.We found that concentrations of soil inorganic phosphorus were significantly and positively correlated with sapling richness and phylogenetic diversity, leading to significantly higher species asynchrony and community temporal stability. By contrast, higher concentrations of organic phosphorus weakened community stability via a negative effect on species richness. Structural equation models provide further strong evidence that increasing concentrations of soil inorganic phosphorus strongly promoted community temporal stability via increased species diversity, species asynchrony and population stability, while organic phosphorus displayed opposite effects. Meanwhile, soil concentrations of available and unavailable forms of nitrogen showed much weaker and negative associations with community stability.Synthesis. Using a 12-year data set of sapling demography from a subtropical forest of south China, our study demonstrates that soil phosphorus is an important determinant of the long-term stability of sapling dynamics and consequently the whole-community structure, and the composition of soil phosphorus pools predicts the temporal stability and diversity of tree communities in phosphorus-limited forests. Using a 12-year field monitoring on the demography of over 20,000 individual seedlings in a subtropical forest, this study demonstrates that soil phosphorus availability is an important determinant of the long-term stability of sapling dynamics and consequently the whole-community structure, which highlights the importance of considering different forms of soil nutrients when predicting the temporal stability and diversity of tree communities.image
英文关键词biodiversity; community stability; nitrogen; phosphorus; seedling dynamics; subtropical forest
语种英语
WOS研究方向Plant Sciences ; Environmental Sciences & Ecology
WOS类目Plant Sciences ; Ecology
WOS记录号WOS:001143885600001
来源期刊JOURNAL OF ECOLOGY (IF:5.687[JCR-2018],6.817[5-Year])
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/305095
作者单位Sun Yat Sen University; Chinese Academy of Sciences; South China Botanical Garden, CAS; University of Manchester; University of Aberdeen
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GB/T 7714
Liang, Minxia,Zheng, Yi,Johnson, David,et al. Long-term stability of sapling dynamics is regulated by soil phosphorus availability in subtropical forest[J],2024,112(3).
APA Liang, Minxia.,Zheng, Yi.,Johnson, David.,Burslem, David F. R. P..,Shi, Liuqing.,...&Liu, Xubing.(2024).Long-term stability of sapling dynamics is regulated by soil phosphorus availability in subtropical forest.JOURNAL OF ECOLOGY,112(3).
MLA Liang, Minxia,et al."Long-term stability of sapling dynamics is regulated by soil phosphorus availability in subtropical forest".JOURNAL OF ECOLOGY 112.3(2024).
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