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Forest understorey communities respond strongly to light in interaction with forest structure, but not to microclimate warming

Karen De Pauw (UGent) , Pieter Sanczuk (UGent) , Camille Meeussen, Leen Depauw (UGent) , Emiel De Lombaerde (UGent) , Sanne Govaert, Thomas Vanneste (UGent) , Jorg Brunet, Sara A. O. Cousins, Cristina Gasperini, et al.
(2022) NEW PHYTOLOGIST. 233(1). p.219-235
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Abstract
Forests harbour large spatiotemporal heterogeneity in canopy structure. This variation drives the microclimate and light availability at the forest floor. So far, we do not know how light availability and sub-canopy temperature interactively mediate the impact of macroclimate warming on understorey communities. We therefore assessed the functional response of understorey plant communities to warming and light addition in a full factorial experiment installed in temperate deciduous forests across Europe along natural microclimate, light and macroclimate gradients. Furthermore, we related these functional responses to the species' life-history syndromes and thermal niches. We found no significant community responses to the warming treatment. The light treatment, however, had a stronger impact on communities, mainly due to responses by fast-colonizing generalists and not by slow-colonizing forest specialists. The forest structure strongly mediated the response to light addition and also had a clear impact on functional traits and total plant cover. The effects of short-term experimental warming were small and suggest a time-lag in the response of understorey species to climate change. Canopy disturbance, for instance due to drought, pests or logging, has a strong and immediate impact and particularly favours generalists in the understorey in structurally complex forests.
Keywords
CLIMATE-CHANGE, TEMPERATE FORESTS, SEASONAL PATTERNS, DECIDUOUS-FOREST, PLANT-RESPONSES, HERB LAYER, R PACKAGE, MANAGEMENT, ECOLOGY, GROWTH, climate change experiment, forest specialists, forest structure, forest, understorey, functional traits, generalists, light, microclimate

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Citation

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MLA
De Pauw, Karen, et al. “Forest Understorey Communities Respond Strongly to Light in Interaction with Forest Structure, but Not to Microclimate Warming.” NEW PHYTOLOGIST, vol. 233, no. 1, 2022, pp. 219–35, doi:10.1111/nph.17803.
APA
De Pauw, K., Sanczuk, P., Meeussen, C., Depauw, L., De Lombaerde, E., Govaert, S., … De Frenne, P. (2022). Forest understorey communities respond strongly to light in interaction with forest structure, but not to microclimate warming. NEW PHYTOLOGIST, 233(1), 219–235. https://doi.org/10.1111/nph.17803
Chicago author-date
De Pauw, Karen, Pieter Sanczuk, Camille Meeussen, Leen Depauw, Emiel De Lombaerde, Sanne Govaert, Thomas Vanneste, et al. 2022. “Forest Understorey Communities Respond Strongly to Light in Interaction with Forest Structure, but Not to Microclimate Warming.” NEW PHYTOLOGIST 233 (1): 219–35. https://doi.org/10.1111/nph.17803.
Chicago author-date (all authors)
De Pauw, Karen, Pieter Sanczuk, Camille Meeussen, Leen Depauw, Emiel De Lombaerde, Sanne Govaert, Thomas Vanneste, Jorg Brunet, Sara A. O. Cousins, Cristina Gasperini, Per-Ola Hedwall, Giovanni Iacopetti, Jonathan Lenoir, Jan Plue, Federico Selvi, Fabien Spicher, Jaime Uria-Diez, Kris Verheyen, Pieter Vangansbeke, and Pieter De Frenne. 2022. “Forest Understorey Communities Respond Strongly to Light in Interaction with Forest Structure, but Not to Microclimate Warming.” NEW PHYTOLOGIST 233 (1): 219–235. doi:10.1111/nph.17803.
Vancouver
1.
De Pauw K, Sanczuk P, Meeussen C, Depauw L, De Lombaerde E, Govaert S, et al. Forest understorey communities respond strongly to light in interaction with forest structure, but not to microclimate warming. NEW PHYTOLOGIST. 2022;233(1):219–35.
IEEE
[1]
K. De Pauw et al., “Forest understorey communities respond strongly to light in interaction with forest structure, but not to microclimate warming,” NEW PHYTOLOGIST, vol. 233, no. 1, pp. 219–235, 2022.
@article{8732025,
  abstract     = {{Forests harbour large spatiotemporal heterogeneity in canopy structure. This variation drives the microclimate and light availability at the forest floor. So far, we do not know how light availability and sub-canopy temperature interactively mediate the impact of macroclimate warming on understorey communities. We therefore assessed the functional response of understorey plant communities to warming and light addition in a full factorial experiment installed in temperate deciduous forests across Europe along natural microclimate, light and macroclimate gradients. Furthermore, we related these functional responses to the species' life-history syndromes and thermal niches. We found no significant community responses to the warming treatment. The light treatment, however, had a stronger impact on communities, mainly due to responses by fast-colonizing generalists and not by slow-colonizing forest specialists. The forest structure strongly mediated the response to light addition and also had a clear impact on functional traits and total plant cover. The effects of short-term experimental warming were small and suggest a time-lag in the response of understorey species to climate change. Canopy disturbance, for instance due to drought, pests or logging, has a strong and immediate impact and particularly favours generalists in the understorey in structurally complex forests.}},
  author       = {{De Pauw, Karen and Sanczuk, Pieter and Meeussen, Camille and Depauw, Leen and De Lombaerde, Emiel and Govaert, Sanne and Vanneste, Thomas and Brunet, Jorg and Cousins, Sara A. O. and Gasperini, Cristina and Hedwall, Per-Ola and Iacopetti, Giovanni and Lenoir, Jonathan and Plue, Jan and Selvi, Federico and Spicher, Fabien and Uria-Diez, Jaime and Verheyen, Kris and Vangansbeke, Pieter and De Frenne, Pieter}},
  issn         = {{0028-646X}},
  journal      = {{NEW PHYTOLOGIST}},
  keywords     = {{CLIMATE-CHANGE,TEMPERATE FORESTS,SEASONAL PATTERNS,DECIDUOUS-FOREST,PLANT-RESPONSES,HERB LAYER,R PACKAGE,MANAGEMENT,ECOLOGY,GROWTH,climate change experiment,forest specialists,forest structure,forest,understorey,functional traits,generalists,light,microclimate}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{219--235}},
  title        = {{Forest understorey communities respond strongly to light in interaction with forest structure, but not to microclimate warming}},
  url          = {{http://doi.org/10.1111/nph.17803}},
  volume       = {{233}},
  year         = {{2022}},
}
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