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Plant movements and climate warming: intraspecific variation in growth responses to nonlocal soils

(2014) NEW PHYTOLOGIST. 202(2). p.431-441
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Abstract
Most range shift predictions focus on the dispersal phase of the colonization process. Because moving populations experience increasingly dissimilar nonclimatic environmental conditions as they track climate warming, it is also critical to test how individuals originating from contrasting thermal environments can establish in nonlocal sites. We assess the intraspecific variation in growth responses to nonlocal soils by planting a widespread grass of deciduous forests (Milium effusum) into an experimental common garden using combinations of seeds and soil sampled in 22 sites across its distributional range, and reflecting movement scenarios of up to 1600km. Furthermore, to determine temperature and forest-structural effects, the plants and soils were experimentally warmed and shaded. We found significantly positive effects of the difference between the temperature of the sites of seed and soil collection on growth and seedling emergence rates. Migrant plants might thus encounter increasingly favourable soil conditions while tracking the isotherms towards currently colder' soils. These effects persisted under experimental warming. Rising temperatures and light availability generally enhanced plant performance. Our results suggest that abiotic and biotic soil characteristics can shape climate change-driven plant movements by affecting growth of nonlocal migrants, a mechanism which should be integrated into predictions of future range shifts.
Keywords
climate envelope, climate change, common garden experiment, forest understorey, intraspecific variation, Milium effusum (millet grass), range shifts, soil biota, LOCAL ADAPTATION, LATITUDINAL GRADIENT, VASCULAR PLANTS, FOREST HERBS, NITROGEN DEPOSITION, SEED DISPERSAL, RANGE SHIFTS, GERMINATION, COLONIZATION, TEMPERATURE

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Chicago
De Frenne, Pieter, David A Coomes, An De Schrijver, Jeroen Staelens, Jake M Alexander, Markus Bernhardt-Römermann, Jörg Brunet, et al. 2014. “Plant Movements and Climate Warming: Intraspecific Variation in Growth Responses to Nonlocal Soils.” New Phytologist 202 (2): 431–441.
APA
De Frenne, P., Coomes, D. A., De Schrijver, A., Staelens, J., Alexander, J. M., Bernhardt-Römermann, M., Brunet, J., et al. (2014). Plant movements and climate warming: intraspecific variation in growth responses to nonlocal soils. NEW PHYTOLOGIST, 202(2), 431–441.
Vancouver
1.
De Frenne P, Coomes DA, De Schrijver A, Staelens J, Alexander JM, Bernhardt-Römermann M, et al. Plant movements and climate warming: intraspecific variation in growth responses to nonlocal soils. NEW PHYTOLOGIST. 2014;202(2):431–41.
MLA
De Frenne, Pieter, David A Coomes, An De Schrijver, et al. “Plant Movements and Climate Warming: Intraspecific Variation in Growth Responses to Nonlocal Soils.” NEW PHYTOLOGIST 202.2 (2014): 431–441. Print.
@article{4233610,
  abstract     = {Most range shift predictions focus on the dispersal phase of the colonization process. Because moving populations experience increasingly dissimilar nonclimatic environmental conditions as they track climate warming, it is also critical to test how individuals originating from contrasting thermal environments can establish in nonlocal sites. We assess the intraspecific variation in growth responses to nonlocal soils by planting a widespread grass of deciduous forests (Milium effusum) into an experimental common garden using combinations of seeds and soil sampled in 22 sites across its distributional range, and reflecting movement scenarios of up to 1600km. Furthermore, to determine temperature and forest-structural effects, the plants and soils were experimentally warmed and shaded. We found significantly positive effects of the difference between the temperature of the sites of seed and soil collection on growth and seedling emergence rates. Migrant plants might thus encounter increasingly favourable soil conditions while tracking the isotherms towards currently colder' soils. These effects persisted under experimental warming. Rising temperatures and light availability generally enhanced plant performance. Our results suggest that abiotic and biotic soil characteristics can shape climate change-driven plant movements by affecting growth of nonlocal migrants, a mechanism which should be integrated into predictions of future range shifts.},
  author       = {De Frenne, Pieter and Coomes, David A and De Schrijver, An and Staelens, Jeroen and Alexander, Jake M and Bernhardt-R{\"o}mermann, Markus and Brunet, J{\"o}rg and Chabrerie, Olivier and Chiarucci, Alessandro and den Ouden, Jan and Eckstein, R Lutz and Graae, Bente J and Gruwez, Robert and H{\'e}dl, Radim and Hermy, Martin and Kolb, Annette and M{\aa}rell, Anders and Mullender, Samantha M and Olsen, Siri L and Orczewska, Anna and Peterken, George and Pet\v{r}{\'i}k, Petr and Plue, Jan and Simonson, William D and Tomescu, Cezar V and Vangansbeke, Pieter and Verstraeten, Gorik and Vesterdal, Lars and Wulf, Monika and Verheyen, Kris},
  issn         = {1469-8137},
  journal      = {NEW PHYTOLOGIST},
  keyword      = {climate envelope,climate change,common garden experiment,forest understorey,intraspecific variation,Milium effusum (millet grass),range shifts,soil biota,LOCAL ADAPTATION,LATITUDINAL GRADIENT,VASCULAR PLANTS,FOREST HERBS,NITROGEN DEPOSITION,SEED DISPERSAL,RANGE SHIFTS,GERMINATION,COLONIZATION,TEMPERATURE},
  language     = {eng},
  number       = {2},
  pages        = {431--441},
  title        = {Plant movements and climate warming: intraspecific variation in growth responses to nonlocal soils},
  url          = {http://dx.doi.org/10.1111/nph.12672},
  volume       = {202},
  year         = {2014},
}

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