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Nitrogen deposition and drought events have non-additive effects on plant growth – Evidence from greenhouse experiments

Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › begutachtet

Standard

Nitrogen deposition and drought events have non-additive effects on plant growth – Evidence from greenhouse experiments. / Meyer-Grünefeldt, Maren; Friedrich, Uta; Klotz, Miriam et al.

in: Plant Biosystems, Jahrgang 149, Nr. 2, 04.03.2015, S. 424-432.

Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › begutachtet

Harvard

Meyer-Grünefeldt, M, Friedrich, U, Klotz, M, Oheimb, G & Härdtle, W 2015, 'Nitrogen deposition and drought events have non-additive effects on plant growth – Evidence from greenhouse experiments', Plant Biosystems, Jg. 149, Nr. 2, S. 424-432. https://doi.org/10.1080/11263504.2013.853699

APA

Meyer-Grünefeldt, M., Friedrich, U., Klotz, M., Oheimb, G., & Härdtle, W. (2015). Nitrogen deposition and drought events have non-additive effects on plant growth – Evidence from greenhouse experiments. Plant Biosystems, 149(2), 424-432. https://doi.org/10.1080/11263504.2013.853699

Vancouver

Meyer-Grünefeldt M, Friedrich U, Klotz M, Oheimb G, Härdtle W. Nitrogen deposition and drought events have non-additive effects on plant growth – Evidence from greenhouse experiments. Plant Biosystems. 2015 Mär 4;149(2):424-432. doi: 10.1080/11263504.2013.853699

Bibtex

@article{fcd12ccf76e94b3386ac812ce16b04df,
title = "Nitrogen deposition and drought events have non-additive effects on plant growth – Evidence from greenhouse experiments",
abstract = "Climate change and nitrogen deposition affect biodiversity and ecosystem functioning, but interactive effects of these global change drivers are poorly understood. We analysed single and interactive effects of nitrogen (N) fertilisation and drought on the growth performance of Calluna vulgaris. We measured biomass production and allocation, tissue nutrient (N, phosphorus (P) and carbon (C)) concentrations, N allocation patterns (using 15N tracer) and plant's water status (using δ 13C signatures) as response variables in a 2-year greenhouse experiment. N fertilisation increased biomass production and biomass shoot:root ratios. 15N allocation patterns indicated an increasing aboveground N allocation following N fertilisation. Tissue δ 13C signatures were higher in N-fertilised plants. Plant responses to drought were weak. We found strong antagonistic interaction effects of N fertilisation and drought for biomass production. δ 13C values peaked when N-fertilised plants were subjected to drought, indicating that N fertilisation increased the evaporative demands of Calluna plants, likely due to increased biomass shoot:root ratios, which in turn resulted in higher drought susceptibility. As an important consequence, even slight drought events may weaken the competitiveness of Calluna when interacting with enhanced airborne N loads. Single-factor studies, thus, need to be complemented by multi-factor analyses to assess conceivable impacts of co-occurring global change drivers.",
keywords = "Biology, Ecosystems Research, biomass allocation, Calluna vulgaris, climate change, interaction effects",
author = "Maren Meyer-Gr{\"u}nefeldt and Uta Friedrich and Miriam Klotz and Goddert Oheimb and Werner H{\"a}rdtle",
year = "2015",
month = mar,
day = "4",
doi = "10.1080/11263504.2013.853699",
language = "English",
volume = "149",
pages = "424--432",
journal = "Plant Biosystems",
issn = "1126-3504",
publisher = "Societ{\`a} Botanica Italiana",
number = "2",

}

RIS

TY - JOUR

T1 - Nitrogen deposition and drought events have non-additive effects on plant growth – Evidence from greenhouse experiments

AU - Meyer-Grünefeldt, Maren

AU - Friedrich, Uta

AU - Klotz, Miriam

AU - Oheimb, Goddert

AU - Härdtle, Werner

PY - 2015/3/4

Y1 - 2015/3/4

N2 - Climate change and nitrogen deposition affect biodiversity and ecosystem functioning, but interactive effects of these global change drivers are poorly understood. We analysed single and interactive effects of nitrogen (N) fertilisation and drought on the growth performance of Calluna vulgaris. We measured biomass production and allocation, tissue nutrient (N, phosphorus (P) and carbon (C)) concentrations, N allocation patterns (using 15N tracer) and plant's water status (using δ 13C signatures) as response variables in a 2-year greenhouse experiment. N fertilisation increased biomass production and biomass shoot:root ratios. 15N allocation patterns indicated an increasing aboveground N allocation following N fertilisation. Tissue δ 13C signatures were higher in N-fertilised plants. Plant responses to drought were weak. We found strong antagonistic interaction effects of N fertilisation and drought for biomass production. δ 13C values peaked when N-fertilised plants were subjected to drought, indicating that N fertilisation increased the evaporative demands of Calluna plants, likely due to increased biomass shoot:root ratios, which in turn resulted in higher drought susceptibility. As an important consequence, even slight drought events may weaken the competitiveness of Calluna when interacting with enhanced airborne N loads. Single-factor studies, thus, need to be complemented by multi-factor analyses to assess conceivable impacts of co-occurring global change drivers.

AB - Climate change and nitrogen deposition affect biodiversity and ecosystem functioning, but interactive effects of these global change drivers are poorly understood. We analysed single and interactive effects of nitrogen (N) fertilisation and drought on the growth performance of Calluna vulgaris. We measured biomass production and allocation, tissue nutrient (N, phosphorus (P) and carbon (C)) concentrations, N allocation patterns (using 15N tracer) and plant's water status (using δ 13C signatures) as response variables in a 2-year greenhouse experiment. N fertilisation increased biomass production and biomass shoot:root ratios. 15N allocation patterns indicated an increasing aboveground N allocation following N fertilisation. Tissue δ 13C signatures were higher in N-fertilised plants. Plant responses to drought were weak. We found strong antagonistic interaction effects of N fertilisation and drought for biomass production. δ 13C values peaked when N-fertilised plants were subjected to drought, indicating that N fertilisation increased the evaporative demands of Calluna plants, likely due to increased biomass shoot:root ratios, which in turn resulted in higher drought susceptibility. As an important consequence, even slight drought events may weaken the competitiveness of Calluna when interacting with enhanced airborne N loads. Single-factor studies, thus, need to be complemented by multi-factor analyses to assess conceivable impacts of co-occurring global change drivers.

KW - Biology

KW - Ecosystems Research

KW - biomass allocation

KW - Calluna vulgaris

KW - climate change

KW - interaction effects

UR - http://www.scopus.com/inward/record.url?scp=84923430610&partnerID=8YFLogxK

U2 - 10.1080/11263504.2013.853699

DO - 10.1080/11263504.2013.853699

M3 - Journal articles

AN - SCOPUS:84923430610

VL - 149

SP - 424

EP - 432

JO - Plant Biosystems

JF - Plant Biosystems

SN - 1126-3504

IS - 2

ER -

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