Functional trait similarity of native and invasive herb species in subtropical China-Environment-specific differences are the key

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Functional trait similarity of native and invasive herb species in subtropical China-Environment-specific differences are the key. / Bachmann, Dörte; Both, S.; Bruelheide, H. et al.
In: Environmental and Experimental Botany, Vol. 83, 01.11.2012, p. 82-92.

Research output: Journal contributionsJournal articlesResearchpeer-review

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Bachmann D, Both S, Bruelheide H, Erfmeier A, Ding BY, Gao M et al. Functional trait similarity of native and invasive herb species in subtropical China-Environment-specific differences are the key. Environmental and Experimental Botany. 2012 Nov 1;83:82-92. doi: 10.1016/j.envexpbot.2012.04.009

Bibtex

@article{d6362aaa5ed7410cb3609a945638be26,
title = "Functional trait similarity of native and invasive herb species in subtropical China-Environment-specific differences are the key",
abstract = "The attempt to identify traits associated with plant invasions has revealed ambiguous results to date. Accounting for environmental and temporal variation in multispecies trait comparisons of native and invasive species might help explain such inconsistency. The relative importance of light and nutrient availability was tested in a greenhouse experiment on trait expression and variation of 15 native and 15 invasive herb species from Southeast China. In addition, N uptake of a subset of these species and its temporal pattern were assessed by means of a 15N tracer experiment. A predominant lack of significant differences between the two status groups indicated strong overall trait similarities, thus supporting the 'join-the-local' hypothesis. However, at high light levels, the invasive species displayed significantly higher trait relative growth rates, whereas the native species had a higher tissue quality as displayed in a higher dry matter content of shoots and leaves. The invasion success of the invasive species could neither be explained by a general higher N uptake nor by a distinction in temporal N uptake strategy between native and invasive species. Despite comparable fundamental niches of the species, increased growth rates under beneficial light conditions may provide a head start advantage for invasive species compared to native ones. The present study confirms the assumption of an opportunistic strategy for invasive species and emphasizes the need to assess trait variation between native and invasive species in different environmental contexts.",
keywords = "Ecosystems Research, Biology, BEF-China, Environmental context, Exotic species, Fundamental niche, N uptake, Resource allocation",
author = "D{\"o}rte Bachmann and S. Both and H. Bruelheide and A. Erfmeier and B.-Y. Ding and Mo Gao and W. H{\"a}rdtle and M. Scherer-Lorenzen",
note = "Copyright 2012 Elsevier B.V., All rights reserved.",
year = "2012",
month = nov,
day = "1",
doi = "10.1016/j.envexpbot.2012.04.009",
language = "English",
volume = "83",
pages = "82--92",
journal = "Environmental and Experimental Botany",
issn = "0098-8472",
publisher = "Elsevier B.V.",

}

RIS

TY - JOUR

T1 - Functional trait similarity of native and invasive herb species in subtropical China-Environment-specific differences are the key

AU - Bachmann, Dörte

AU - Both, S.

AU - Bruelheide, H.

AU - Erfmeier, A.

AU - Ding, B.-Y.

AU - Gao, Mo

AU - Härdtle, W.

AU - Scherer-Lorenzen, M.

N1 - Copyright 2012 Elsevier B.V., All rights reserved.

PY - 2012/11/1

Y1 - 2012/11/1

N2 - The attempt to identify traits associated with plant invasions has revealed ambiguous results to date. Accounting for environmental and temporal variation in multispecies trait comparisons of native and invasive species might help explain such inconsistency. The relative importance of light and nutrient availability was tested in a greenhouse experiment on trait expression and variation of 15 native and 15 invasive herb species from Southeast China. In addition, N uptake of a subset of these species and its temporal pattern were assessed by means of a 15N tracer experiment. A predominant lack of significant differences between the two status groups indicated strong overall trait similarities, thus supporting the 'join-the-local' hypothesis. However, at high light levels, the invasive species displayed significantly higher trait relative growth rates, whereas the native species had a higher tissue quality as displayed in a higher dry matter content of shoots and leaves. The invasion success of the invasive species could neither be explained by a general higher N uptake nor by a distinction in temporal N uptake strategy between native and invasive species. Despite comparable fundamental niches of the species, increased growth rates under beneficial light conditions may provide a head start advantage for invasive species compared to native ones. The present study confirms the assumption of an opportunistic strategy for invasive species and emphasizes the need to assess trait variation between native and invasive species in different environmental contexts.

AB - The attempt to identify traits associated with plant invasions has revealed ambiguous results to date. Accounting for environmental and temporal variation in multispecies trait comparisons of native and invasive species might help explain such inconsistency. The relative importance of light and nutrient availability was tested in a greenhouse experiment on trait expression and variation of 15 native and 15 invasive herb species from Southeast China. In addition, N uptake of a subset of these species and its temporal pattern were assessed by means of a 15N tracer experiment. A predominant lack of significant differences between the two status groups indicated strong overall trait similarities, thus supporting the 'join-the-local' hypothesis. However, at high light levels, the invasive species displayed significantly higher trait relative growth rates, whereas the native species had a higher tissue quality as displayed in a higher dry matter content of shoots and leaves. The invasion success of the invasive species could neither be explained by a general higher N uptake nor by a distinction in temporal N uptake strategy between native and invasive species. Despite comparable fundamental niches of the species, increased growth rates under beneficial light conditions may provide a head start advantage for invasive species compared to native ones. The present study confirms the assumption of an opportunistic strategy for invasive species and emphasizes the need to assess trait variation between native and invasive species in different environmental contexts.

KW - Ecosystems Research

KW - Biology

KW - BEF-China

KW - Environmental context

KW - Exotic species

KW - Fundamental niche

KW - N uptake

KW - Resource allocation

UR - http://www.scopus.com/inward/record.url?scp=84861208471&partnerID=8YFLogxK

U2 - 10.1016/j.envexpbot.2012.04.009

DO - 10.1016/j.envexpbot.2012.04.009

M3 - Journal articles

AN - SCOPUS:84861208471

VL - 83

SP - 82

EP - 92

JO - Environmental and Experimental Botany

JF - Environmental and Experimental Botany

SN - 0098-8472

ER -