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N-fixation in legumes: an assessment of the potential threat posed by ozone pollution

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N-fixation in legumes : an assessment of the potential threat posed by ozone pollution. / Hewitt, Daniel; Mills, G. E.; Hayes, Felicity; Coyle, M.; Wilkinson, Sally; Davies, William John.

In: Environmental Pollution, Vol. 208, No. Part B, 01.2016, p. 909-918.

Research output: Contribution to journalJournal articlepeer-review

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Hewitt, D, Mills, GE, Hayes, F, Coyle, M, Wilkinson, S & Davies, WJ 2016, 'N-fixation in legumes: an assessment of the potential threat posed by ozone pollution', Environmental Pollution, vol. 208, no. Part B, pp. 909-918. https://doi.org/10.1016/j.envpol.2015.09.016

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Hewitt, Daniel ; Mills, G. E. ; Hayes, Felicity ; Coyle, M. ; Wilkinson, Sally ; Davies, William John. / N-fixation in legumes : an assessment of the potential threat posed by ozone pollution. In: Environmental Pollution. 2016 ; Vol. 208, No. Part B. pp. 909-918.

Bibtex

@article{738a077fe83b451ba4b96a7a714263a4,
title = "N-fixation in legumes: an assessment of the potential threat posed by ozone pollution",
abstract = "The growth, development and functioning of legumes are often significantly affected by exposure to tropospheric ozone (O3) pollution. However, surprisingly little is known about how leguminous Nitrogen (N) fixation responds to ozone, with a scarcity of studies addressing this question in detail. In the last decade, ozone impacts on N-fixation in soybean, cowpea, mung bean, peanut and clover have been shown for concentrations which are now commonly recorded in ambient air or are likely to occur in the near future. We provide a synthesis of the existing literature addressing this issue, and also explore the effects that may occur on an agroecosystem scale by predicting reductions in Trifolium (clovers) root nodule biomass in United Kingdom (UK) pasture based on ozone concentration data for a “high” (2006) and “average” ozone year (2008). Median 8% and 5% reductions in clover root nodule biomass in pasture across the UK were predicted for 2006 and 2008 respectively. Seasonal exposure to elevated ozone, or short-term acute concentrations >100 ppb, are sufficient to reduce N-fixation and/or impact nodulation, in a range of globally-important legumes. However, an increasing global burden of CO2, the use of artificial fertiliser, and reactive N-pollution may partially mitigate impacts of ozone on N-fixation.",
keywords = "Clover, Nodulation, Ozone, Nitrogen fixation, pasture, Background ozone",
author = "Daniel Hewitt and Mills, {G. E.} and Felicity Hayes and M. Coyle and Sally Wilkinson and Davies, {William John}",
year = "2016",
month = jan,
doi = "10.1016/j.envpol.2015.09.016",
language = "English",
volume = "208",
pages = "909--918",
journal = "Environmental Pollution",
issn = "0269-7491",
publisher = "Elsevier Ltd",
number = "Part B",

}

RIS

TY - JOUR

T1 - N-fixation in legumes

T2 - an assessment of the potential threat posed by ozone pollution

AU - Hewitt, Daniel

AU - Mills, G. E.

AU - Hayes, Felicity

AU - Coyle, M.

AU - Wilkinson, Sally

AU - Davies, William John

PY - 2016/1

Y1 - 2016/1

N2 - The growth, development and functioning of legumes are often significantly affected by exposure to tropospheric ozone (O3) pollution. However, surprisingly little is known about how leguminous Nitrogen (N) fixation responds to ozone, with a scarcity of studies addressing this question in detail. In the last decade, ozone impacts on N-fixation in soybean, cowpea, mung bean, peanut and clover have been shown for concentrations which are now commonly recorded in ambient air or are likely to occur in the near future. We provide a synthesis of the existing literature addressing this issue, and also explore the effects that may occur on an agroecosystem scale by predicting reductions in Trifolium (clovers) root nodule biomass in United Kingdom (UK) pasture based on ozone concentration data for a “high” (2006) and “average” ozone year (2008). Median 8% and 5% reductions in clover root nodule biomass in pasture across the UK were predicted for 2006 and 2008 respectively. Seasonal exposure to elevated ozone, or short-term acute concentrations >100 ppb, are sufficient to reduce N-fixation and/or impact nodulation, in a range of globally-important legumes. However, an increasing global burden of CO2, the use of artificial fertiliser, and reactive N-pollution may partially mitigate impacts of ozone on N-fixation.

AB - The growth, development and functioning of legumes are often significantly affected by exposure to tropospheric ozone (O3) pollution. However, surprisingly little is known about how leguminous Nitrogen (N) fixation responds to ozone, with a scarcity of studies addressing this question in detail. In the last decade, ozone impacts on N-fixation in soybean, cowpea, mung bean, peanut and clover have been shown for concentrations which are now commonly recorded in ambient air or are likely to occur in the near future. We provide a synthesis of the existing literature addressing this issue, and also explore the effects that may occur on an agroecosystem scale by predicting reductions in Trifolium (clovers) root nodule biomass in United Kingdom (UK) pasture based on ozone concentration data for a “high” (2006) and “average” ozone year (2008). Median 8% and 5% reductions in clover root nodule biomass in pasture across the UK were predicted for 2006 and 2008 respectively. Seasonal exposure to elevated ozone, or short-term acute concentrations >100 ppb, are sufficient to reduce N-fixation and/or impact nodulation, in a range of globally-important legumes. However, an increasing global burden of CO2, the use of artificial fertiliser, and reactive N-pollution may partially mitigate impacts of ozone on N-fixation.

KW - Clover

KW - Nodulation

KW - Ozone

KW - Nitrogen fixation

KW - pasture

KW - Background ozone

U2 - 10.1016/j.envpol.2015.09.016

DO - 10.1016/j.envpol.2015.09.016

M3 - Journal article

VL - 208

SP - 909

EP - 918

JO - Environmental Pollution

JF - Environmental Pollution

SN - 0269-7491

IS - Part B

ER -