Warming alters competition for organic and inorganic nitrogen between co-existing grassland plant speciesCitation formats

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Warming alters competition for organic and inorganic nitrogen between co-existing grassland plant species. / Kuster, Thomas; Wilkinson, Anna; Hill, Paul W ; Jones, Davey L; Bardgett, Richard.

In: Plant and Soil, Vol. 406, No. 1, 09.2016, p. 117-129.

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Kuster, Thomas ; Wilkinson, Anna ; Hill, Paul W ; Jones, Davey L ; Bardgett, Richard. / Warming alters competition for organic and inorganic nitrogen between co-existing grassland plant species. In: Plant and Soil. 2016 ; Vol. 406, No. 1. pp. 117-129.

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@article{0cd24943c38947dc8c57b44a83f5e831,
title = "Warming alters competition for organic and inorganic nitrogen between co-existing grassland plant species",
abstract = "IntroductionGrass species may acquire different forms of nitrogen (N) to reduce competition for the same resources. Climate change influences the availability of soil N and is therefore likely to cause shifts in N forms acquired by plants, thereby affecting their competitive interactions.MethodsWe investigated the effects of warming on the uptake of different N forms and competitive interactions of Festuca ovina and Anthoxanthum odoratum in a pot experiment. The plants were grown either in monocultures or mixture, and at ambient or elevated temperature (+10 °C), and supplied with 13C and 15N isotopes to test for treatment effects on the relative uptake of ammonium, alanine or tri-alanine.ResultsBoth grass species took up relatively more N supplied as ammonium than as alanine or tri-alanine when grown under ambient conditions in monoculture. In contrast, when grown in mixtures, F. ovina took up the three supplied N forms in equal amounts, whereas A. odoratum switched to tri-alanine as the main N form. Under warmed conditions, both species took up the N forms equally, irrespective of competition treatments.ConclusionsWe have shown that grass species grown in mixture and under ambient conditions reduce competition by acquiring different N forms. Warming increased the availability of inorganic N in the soil and therefore deregulated the need for differential uptake of N forms.KeywordsAmino acid Peptide Nutrient Coexistence Niche differentiation",
author = "Thomas Kuster and Anna Wilkinson and Hill, {Paul W} and Jones, {Davey L} and Richard Bardgett",
year = "2016",
month = "9",
doi = "10.1007/s11104-016-2856-7",
language = "English",
volume = "406",
pages = "117--129",
journal = "Plant and Soil",
issn = "0032-079X",
publisher = "Springer Nature",
number = "1",

}

RIS

TY - JOUR

T1 - Warming alters competition for organic and inorganic nitrogen between co-existing grassland plant species

AU - Kuster, Thomas

AU - Wilkinson, Anna

AU - Hill, Paul W

AU - Jones, Davey L

AU - Bardgett, Richard

PY - 2016/9

Y1 - 2016/9

N2 - IntroductionGrass species may acquire different forms of nitrogen (N) to reduce competition for the same resources. Climate change influences the availability of soil N and is therefore likely to cause shifts in N forms acquired by plants, thereby affecting their competitive interactions.MethodsWe investigated the effects of warming on the uptake of different N forms and competitive interactions of Festuca ovina and Anthoxanthum odoratum in a pot experiment. The plants were grown either in monocultures or mixture, and at ambient or elevated temperature (+10 °C), and supplied with 13C and 15N isotopes to test for treatment effects on the relative uptake of ammonium, alanine or tri-alanine.ResultsBoth grass species took up relatively more N supplied as ammonium than as alanine or tri-alanine when grown under ambient conditions in monoculture. In contrast, when grown in mixtures, F. ovina took up the three supplied N forms in equal amounts, whereas A. odoratum switched to tri-alanine as the main N form. Under warmed conditions, both species took up the N forms equally, irrespective of competition treatments.ConclusionsWe have shown that grass species grown in mixture and under ambient conditions reduce competition by acquiring different N forms. Warming increased the availability of inorganic N in the soil and therefore deregulated the need for differential uptake of N forms.KeywordsAmino acid Peptide Nutrient Coexistence Niche differentiation

AB - IntroductionGrass species may acquire different forms of nitrogen (N) to reduce competition for the same resources. Climate change influences the availability of soil N and is therefore likely to cause shifts in N forms acquired by plants, thereby affecting their competitive interactions.MethodsWe investigated the effects of warming on the uptake of different N forms and competitive interactions of Festuca ovina and Anthoxanthum odoratum in a pot experiment. The plants were grown either in monocultures or mixture, and at ambient or elevated temperature (+10 °C), and supplied with 13C and 15N isotopes to test for treatment effects on the relative uptake of ammonium, alanine or tri-alanine.ResultsBoth grass species took up relatively more N supplied as ammonium than as alanine or tri-alanine when grown under ambient conditions in monoculture. In contrast, when grown in mixtures, F. ovina took up the three supplied N forms in equal amounts, whereas A. odoratum switched to tri-alanine as the main N form. Under warmed conditions, both species took up the N forms equally, irrespective of competition treatments.ConclusionsWe have shown that grass species grown in mixture and under ambient conditions reduce competition by acquiring different N forms. Warming increased the availability of inorganic N in the soil and therefore deregulated the need for differential uptake of N forms.KeywordsAmino acid Peptide Nutrient Coexistence Niche differentiation

U2 - 10.1007/s11104-016-2856-7

DO - 10.1007/s11104-016-2856-7

M3 - Article

VL - 406

SP - 117

EP - 129

JO - Plant and Soil

JF - Plant and Soil

SN - 0032-079X

IS - 1

ER -