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Open Access Research article

Invasive Acer negundo outperforms native species in non-limiting resource environments due to its higher phenotypic plasticity

Annabel J Porté12*, Laurent J Lamarque123, Christopher J Lortie3, Richard Michalet12 and Sylvain Delzon12

Author Affiliations

1 UMR 1202 Biodiversité Gènes et Communautés, Université de Bordeaux, Talence, 33400, France

2 UMR 1202 Biodiversité Gènes et Communautés, Institut National de la Recherche Agronomique, Cestas, 33610, France

3 Department of Biology, York University, Toronto, M3J 1P3, Canada

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BMC Ecology 2011, 11:28  doi:10.1186/1472-6785-11-28

Published: 24 November 2011

Additional files

Additional file 1:

Means and Tukey groups per species group for all measured traits and tested experimental conditions. For a given trait different letters on the same column indicate significant differences amongst species groups for a combination of light, fertilisation and disturbance (Tukey test). Species are grouped by strategy: the invasive species is Acer negundo. Native early-successional species are Salix alba and Populus nigra, and native late-successional species are Fraxinus excelsior and Fraxinus angustifolia. Traits are RGRh relative height growth rate (mm. mm-1.d-1.10-3), RSR root shoot ratio (g. g-1), TLA total leaf area (m2), SLA specific leaf area (m2. kg-1), LWR leaf weight ratio (g. g-1), Amax light-saturated assimilation rate (μmol CO2. m-2. s-1), Nm nitrogen content (%), Na leaf nitrogen content (g. m-2)and PNUE photosynthetic nitrogen use efficiency (μmol CO2. g-1N. s-1). Environmental conditions are: Fertilised (N+), Non-fertilised (N-), Disturbed (D), Non-disturbed (ND), Full light (C), Shade (S) and Deep shade (SS).

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