Institut for Biologi

Aarhus University Seal / Aarhus Universitets segl

J.-C. Svenning

Changes in plant diversity and its relationship with productivity in response to nitrogen addition, warming and increased rainfall

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Changes in plant diversity and its relationship with productivity in response to nitrogen addition, warming and increased rainfall. / Yue, Kai; Jarvie, Scott; Senior, Alistair M.; Van Meerbeek, Koenraad; Peng, Yan; Ni, Xiangyin; Wu, Fuzhong; Svenning, Jens Christian.

I: Oikos, Bind 129, Nr. 7, 2020, s. 939-952.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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Author

Yue, Kai ; Jarvie, Scott ; Senior, Alistair M. ; Van Meerbeek, Koenraad ; Peng, Yan ; Ni, Xiangyin ; Wu, Fuzhong ; Svenning, Jens Christian. / Changes in plant diversity and its relationship with productivity in response to nitrogen addition, warming and increased rainfall. I: Oikos. 2020 ; Bind 129, Nr. 7. s. 939-952.

Bibtex

@article{e2016700d9da444780494f9aae656400,
title = "Changes in plant diversity and its relationship with productivity in response to nitrogen addition, warming and increased rainfall",
abstract = "Human-induced global changes such as nitrogen (N) deposition, climatic warming and rainfall changes have been determined to be common drivers of current plant community dynamics. However, it is unclear if and how the individual and combined effects of these drivers differently influence plant diversity and its relationship with productivity at the global scale. Here, we performed meta-analyses with data compiled from 133 articles, comprising >2000 effect sizes, to assess the individual and combined effects of N addition, warming and increased rainfall on plant diversity and its relationship with productivity (using aboveground biomass as a proxy). We found that N addition decreased species richness, Shannon–Wiener index (H′) and evenness, while it increased aboveground biomass. In contrast, warming and increased rainfall had no effect on diversity although both also increased aboveground biomass. The combined effects of N addition + warming and N addition + increased rainfall showed significant negative effects on plant diversity, with additive and synergistic interactions, respectively. Warming + increased rainfall did not influence plant diversity. Both the individual and combined effects on plant diversity were influenced by several moderator variables, with negative impacts of the magnitude and experimental duration on N addition effects and of latitude on N addition + warming effects. Importantly, our results showed that the greater the increase in plant productivity with long-term N addition, the greater the decline in plant diversity, and vice versa, indicating that the commonly observed positive diversity–productivity relationship would be reduced under long-term N addition. Our study provides new insights for the development of predictive models of plant diversity dynamics in response to multiple concurrent global change drivers, while also highlighting a consistent, strong negative effect of N addition, pointing to a clear need for reducing N deposition.",
keywords = "Bayesian meta-analysis, combined effect, evenness, individual effect, Shannon–Wiener index, species richness",
author = "Kai Yue and Scott Jarvie and Senior, {Alistair M.} and {Van Meerbeek}, Koenraad and Yan Peng and Xiangyin Ni and Fuzhong Wu and Svenning, {Jens Christian}",
year = "2020",
doi = "10.1111/oik.07006",
language = "English",
volume = "129",
pages = "939--952",
journal = "Oikos",
issn = "0030-1299",
publisher = "Wiley-Blackwell Publishing Ltd.",
number = "7",

}

RIS

TY - JOUR

T1 - Changes in plant diversity and its relationship with productivity in response to nitrogen addition, warming and increased rainfall

AU - Yue, Kai

AU - Jarvie, Scott

AU - Senior, Alistair M.

AU - Van Meerbeek, Koenraad

AU - Peng, Yan

AU - Ni, Xiangyin

AU - Wu, Fuzhong

AU - Svenning, Jens Christian

PY - 2020

Y1 - 2020

N2 - Human-induced global changes such as nitrogen (N) deposition, climatic warming and rainfall changes have been determined to be common drivers of current plant community dynamics. However, it is unclear if and how the individual and combined effects of these drivers differently influence plant diversity and its relationship with productivity at the global scale. Here, we performed meta-analyses with data compiled from 133 articles, comprising >2000 effect sizes, to assess the individual and combined effects of N addition, warming and increased rainfall on plant diversity and its relationship with productivity (using aboveground biomass as a proxy). We found that N addition decreased species richness, Shannon–Wiener index (H′) and evenness, while it increased aboveground biomass. In contrast, warming and increased rainfall had no effect on diversity although both also increased aboveground biomass. The combined effects of N addition + warming and N addition + increased rainfall showed significant negative effects on plant diversity, with additive and synergistic interactions, respectively. Warming + increased rainfall did not influence plant diversity. Both the individual and combined effects on plant diversity were influenced by several moderator variables, with negative impacts of the magnitude and experimental duration on N addition effects and of latitude on N addition + warming effects. Importantly, our results showed that the greater the increase in plant productivity with long-term N addition, the greater the decline in plant diversity, and vice versa, indicating that the commonly observed positive diversity–productivity relationship would be reduced under long-term N addition. Our study provides new insights for the development of predictive models of plant diversity dynamics in response to multiple concurrent global change drivers, while also highlighting a consistent, strong negative effect of N addition, pointing to a clear need for reducing N deposition.

AB - Human-induced global changes such as nitrogen (N) deposition, climatic warming and rainfall changes have been determined to be common drivers of current plant community dynamics. However, it is unclear if and how the individual and combined effects of these drivers differently influence plant diversity and its relationship with productivity at the global scale. Here, we performed meta-analyses with data compiled from 133 articles, comprising >2000 effect sizes, to assess the individual and combined effects of N addition, warming and increased rainfall on plant diversity and its relationship with productivity (using aboveground biomass as a proxy). We found that N addition decreased species richness, Shannon–Wiener index (H′) and evenness, while it increased aboveground biomass. In contrast, warming and increased rainfall had no effect on diversity although both also increased aboveground biomass. The combined effects of N addition + warming and N addition + increased rainfall showed significant negative effects on plant diversity, with additive and synergistic interactions, respectively. Warming + increased rainfall did not influence plant diversity. Both the individual and combined effects on plant diversity were influenced by several moderator variables, with negative impacts of the magnitude and experimental duration on N addition effects and of latitude on N addition + warming effects. Importantly, our results showed that the greater the increase in plant productivity with long-term N addition, the greater the decline in plant diversity, and vice versa, indicating that the commonly observed positive diversity–productivity relationship would be reduced under long-term N addition. Our study provides new insights for the development of predictive models of plant diversity dynamics in response to multiple concurrent global change drivers, while also highlighting a consistent, strong negative effect of N addition, pointing to a clear need for reducing N deposition.

KW - Bayesian meta-analysis

KW - combined effect

KW - evenness

KW - individual effect

KW - Shannon–Wiener index

KW - species richness

UR - http://www.scopus.com/inward/record.url?scp=85083968604&partnerID=8YFLogxK

U2 - 10.1111/oik.07006

DO - 10.1111/oik.07006

M3 - Journal article

AN - SCOPUS:85083968604

VL - 129

SP - 939

EP - 952

JO - Oikos

JF - Oikos

SN - 0030-1299

IS - 7

ER -