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Biodiversity effects on ecosystem functioning respond unimodally to environmental stress

(2018) ECOLOGY LETTERS. 21(8). p.1191-1199
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Abstract
Understanding how biodiversity (B) affects ecosystem functioning (EF) is essential for assessing the consequences of ongoing biodiversity changes. An increasing number of studies, however, show that environmental conditions affect the shape of BEF relationships. Here, we first use a game-theoretic community model to reveal that a unimodal response of the BEF slope can be expected along environmental stress gradients, but also how the ecological mechanisms underlying this response may vary depending on how stress affects species interactions. Next, we analysed a global dataset of 44 experiments that crossed biodiversity with environmental conditions. Confirming our main model prediction, the effect of biodiversity on ecosystem functioning tends to be greater at intermediate levels of environmental stress, but varies among studies corresponding to differences in stress-effects on species interactions. Together, these results suggest that increases in stress from ongoing global environmental changes may amplify the consequences of biodiversity changes.
Keywords
Stress, biodiversity, community model, meta-analysis, plant communities, PLANT-COMMUNITIES, SPECIES RICHNESS, PRODUCTIVITY RELATIONSHIP, GLOBAL BIODIVERSITY, CURRENT KNOWLEDGE, DIVERSITY, FACILITATION, HYPOTHESIS, DYNAMICS, COMPLEMENTARITY

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Citation

Please use this url to cite or link to this publication:

Chicago
Baert, Jan, Nico Eisenhauer, Colin Janssen, and Frederik De Laender. 2018. “Biodiversity Effects on Ecosystem Functioning Respond Unimodally to Environmental Stress.” Ecology Letters 21 (8): 1191–1199.
APA
Baert, Jan, Eisenhauer, N., Janssen, C., & De Laender, F. (2018). Biodiversity effects on ecosystem functioning respond unimodally to environmental stress. ECOLOGY LETTERS, 21(8), 1191–1199.
Vancouver
1.
Baert J, Eisenhauer N, Janssen C, De Laender F. Biodiversity effects on ecosystem functioning respond unimodally to environmental stress. ECOLOGY LETTERS. 2018;21(8):1191–9.
MLA
Baert, Jan, Nico Eisenhauer, Colin Janssen, et al. “Biodiversity Effects on Ecosystem Functioning Respond Unimodally to Environmental Stress.” ECOLOGY LETTERS 21.8 (2018): 1191–1199. Print.
@article{8564128,
  abstract     = {Understanding how biodiversity (B) affects ecosystem functioning (EF) is essential for assessing the consequences of ongoing biodiversity changes. An increasing number of studies, however, show that environmental conditions affect the shape of BEF relationships. Here, we first use a game-theoretic community model to reveal that a unimodal response of the BEF slope can be expected along environmental stress gradients, but also how the ecological mechanisms underlying this response may vary depending on how stress affects species interactions. Next, we analysed a global dataset of 44 experiments that crossed biodiversity with environmental conditions. Confirming our main model prediction, the effect of biodiversity on ecosystem functioning tends to be greater at intermediate levels of environmental stress, but varies among studies corresponding to differences in stress-effects on species interactions. Together, these results suggest that increases in stress from ongoing global environmental changes may amplify the consequences of biodiversity changes.},
  author       = {Baert, Jan and Eisenhauer, Nico and Janssen, Colin and De Laender, Frederik},
  issn         = {1461-023X},
  journal      = {ECOLOGY LETTERS},
  keyword      = {Stress,biodiversity,community model,meta-analysis,plant communities,PLANT-COMMUNITIES,SPECIES RICHNESS,PRODUCTIVITY RELATIONSHIP,GLOBAL BIODIVERSITY,CURRENT KNOWLEDGE,DIVERSITY,FACILITATION,HYPOTHESIS,DYNAMICS,COMPLEMENTARITY},
  language     = {eng},
  number       = {8},
  pages        = {1191--1199},
  title        = {Biodiversity effects on ecosystem functioning respond unimodally to environmental stress},
  url          = {http://dx.doi.org/10.1111/ele.13088},
  volume       = {21},
  year         = {2018},
}

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