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Soil biotic legacy effects of extreme weather events influence plant invasiveness

Meisner, Annelein LU ; De Deyn, Gerlinde B.; de Boer, Wietse and van der Putten, Wim H. (2013) In Proceedings of the National Academy of Sciences 110(24). p.9835-9838
Abstract
Climate change is expected to increase future abiotic stresses on ecosystems through extreme weather events leading to more extreme drought and rainfall incidences [Jentsch A, et al. (2007) Front Ecol Environ 5(7): 365-374]. These fluctuations in precipitation may affect soil biota, soil processes [Evans ST, Wallenstein MD (2012) Biogeochemistry 109: 101-116], and the proportion of exotics in invaded plant communities [Jimenez MA, et al. (2011) Ecol Lett 14: 1277-1235]. However, little is known about legacy effects in soil on the performance of exotics and natives in invaded plant communities. Here we report that drought and rainfall effects on soil processes and biota affect the performance of exotics and natives in plant communities. We... (More)
Climate change is expected to increase future abiotic stresses on ecosystems through extreme weather events leading to more extreme drought and rainfall incidences [Jentsch A, et al. (2007) Front Ecol Environ 5(7): 365-374]. These fluctuations in precipitation may affect soil biota, soil processes [Evans ST, Wallenstein MD (2012) Biogeochemistry 109: 101-116], and the proportion of exotics in invaded plant communities [Jimenez MA, et al. (2011) Ecol Lett 14: 1277-1235]. However, little is known about legacy effects in soil on the performance of exotics and natives in invaded plant communities. Here we report that drought and rainfall effects on soil processes and biota affect the performance of exotics and natives in plant communities. We performed two mesocosm experiments. In the first experiment, soil without plants was exposed to drought and/or rainfall, which affected soil N availability. Then the initial soil moisture conditions were restored, and a mixed community of co-occurring natives and exotics was planted and exposed to drought during growth. A single stress before or during growth decreased the biomass of natives, but did not affect exotics. A second drought stress during plant growth resetted the exotic advantage, whereas native biomass was not further reduced. In the second experiment, soil inoculation revealed that drought and/or rainfall influenced soil biotic legacies, which promoted exotics but suppressed natives. Our results demonstrate that extreme weather events can cause legacy effects in soil biota, promoting exotics and suppressing natives in invaded plant communities, depending on the type, frequency, and timing of extreme events. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
invaded ecosystems, nitrogen cycle, plant invasion, plant-soil, interaction, soil microbes
in
Proceedings of the National Academy of Sciences
volume
110
issue
24
pages
9835 - 9838
publisher
National Acad Sciences
external identifiers
  • wos:000320930100058
  • scopus:84878962627
ISSN
1091-6490
DOI
10.1073/pnas.1300922110
language
English
LU publication?
yes
id
6cf05817-4df7-404f-b0bc-bf34d35bb722 (old id 3979101)
date added to LUP
2013-08-23 12:23:16
date last changed
2019-09-17 01:14:04
@article{6cf05817-4df7-404f-b0bc-bf34d35bb722,
  abstract     = {Climate change is expected to increase future abiotic stresses on ecosystems through extreme weather events leading to more extreme drought and rainfall incidences [Jentsch A, et al. (2007) Front Ecol Environ 5(7): 365-374]. These fluctuations in precipitation may affect soil biota, soil processes [Evans ST, Wallenstein MD (2012) Biogeochemistry 109: 101-116], and the proportion of exotics in invaded plant communities [Jimenez MA, et al. (2011) Ecol Lett 14: 1277-1235]. However, little is known about legacy effects in soil on the performance of exotics and natives in invaded plant communities. Here we report that drought and rainfall effects on soil processes and biota affect the performance of exotics and natives in plant communities. We performed two mesocosm experiments. In the first experiment, soil without plants was exposed to drought and/or rainfall, which affected soil N availability. Then the initial soil moisture conditions were restored, and a mixed community of co-occurring natives and exotics was planted and exposed to drought during growth. A single stress before or during growth decreased the biomass of natives, but did not affect exotics. A second drought stress during plant growth resetted the exotic advantage, whereas native biomass was not further reduced. In the second experiment, soil inoculation revealed that drought and/or rainfall influenced soil biotic legacies, which promoted exotics but suppressed natives. Our results demonstrate that extreme weather events can cause legacy effects in soil biota, promoting exotics and suppressing natives in invaded plant communities, depending on the type, frequency, and timing of extreme events.},
  author       = {Meisner, Annelein and De Deyn, Gerlinde B. and de Boer, Wietse and van der Putten, Wim H.},
  issn         = {1091-6490},
  keyword      = {invaded ecosystems,nitrogen cycle,plant invasion,plant-soil,interaction,soil microbes},
  language     = {eng},
  number       = {24},
  pages        = {9835--9838},
  publisher    = {National Acad Sciences},
  series       = {Proceedings of the National Academy of Sciences},
  title        = {Soil biotic legacy effects of extreme weather events influence plant invasiveness},
  url          = {http://dx.doi.org/10.1073/pnas.1300922110},
  volume       = {110},
  year         = {2013},
}