2019
DOI: 10.3389/fpls.2019.01596
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The Accumulated Response of Deciduous Liquidambar formosana Hance and Evergreen Cyclobalanopsis glauca Thunb. Seedlings to Simulated Nitrogen Additions

Abstract: Nitrogen depositions in the Yangtze River Delta have is thought to shift the coexistence of mixed evergreen and deciduous species. In this study, the seedlings of the dominant evergreen species Cyclobalanopsis glauca Thunb. and the deciduous species Liquidambar formosana Hance from the Yangtze River Delta were chosen to test their responses to simulated N additions using an ecophysiological approach. N was added to the tree canopy at rates of 0 (CK), 25 kg N ha −1 year −1 (N25), and 50 kg N ha −1 year −1 (N50)… Show more

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Cited by 6 publications
(9 citation statements)
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“…However, the coupling relation of these functional traits in the subtropical regions might be quite different, since the evergreen trees tend to invest more N in the durable leaves that can persist through disturbances (Pringle et al., 2011). In a pot experiment, the strong decoupling between foliage hydraulic traits and photosynthesis in evergreen species was evident, but not in deciduous species (Z. Zhang, Wu, et al., 2019; Z. Zhang, Zhao, et al., 2019). Besides, since P was limited in the subtropical forests, the fertilization effects on the photosynthesis might also be counteracted due to the imbalanced stoichiometry (Huang et al., 2013; Liu et al., 2018; Lu et al., 2018), which weakens the decoupling relations (Jiang et al., 2019; F. Zhu et al., 2014).…”
Section: Introductionmentioning
confidence: 95%
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“…However, the coupling relation of these functional traits in the subtropical regions might be quite different, since the evergreen trees tend to invest more N in the durable leaves that can persist through disturbances (Pringle et al., 2011). In a pot experiment, the strong decoupling between foliage hydraulic traits and photosynthesis in evergreen species was evident, but not in deciduous species (Z. Zhang, Wu, et al., 2019; Z. Zhang, Zhao, et al., 2019). Besides, since P was limited in the subtropical forests, the fertilization effects on the photosynthesis might also be counteracted due to the imbalanced stoichiometry (Huang et al., 2013; Liu et al., 2018; Lu et al., 2018), which weakens the decoupling relations (Jiang et al., 2019; F. Zhu et al., 2014).…”
Section: Introductionmentioning
confidence: 95%
“…In a pot experiment, the strong decoupling between foliage hydraulic traits and photosynthesis in evergreen species was evident, but not in deciduous species (Z. Zhang, Wu, et al, 2019;Z. Zhang, Zhao, et al, 2019).…”
mentioning
confidence: 94%
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“…By contrast, pot experiments are very enlightening to the field experiment, because they have great advantages in controlling exogenous conditions, such as light, soil, water, and genetic uniformity, but these experimental conclusions often ignore the interaction between canopy and understory plants and their adaptation feedback. Recently, there has been accumulating evidence that the effect of fertilization on plant functional traits differs in the field [24,25] and in artificial controlled (pot) experiments [26,27] because there are unavoidable differences in the abiotic and biotic factors between lab and field experiments [28]. In addition, some evidence for strong responses in lab experiments and unapparent responses in field experiments under fertilization has been verified in many manipulative experiments [8,29,30].…”
Section: Introductionmentioning
confidence: 99%