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The added value of including key microbial traits to determine nitrogen-related ecosystem services in managed grasslands

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The added value of including key microbial traits to determine nitrogen-related ecosystem services in managed grasslands. / Pommier, Thomas; Amelie, Cantarel; Grigulis, K; Lavorel, Sandra; Legay, N; Baxendale, Catherine Louise; Bardgett, Richard David; Bahn, Michael; Poly, Franck; Clément, J-C.

In: Journal of Applied Ecology, Vol. 55, No. 1, 01.2018, p. 49-58.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Pommier, T, Amelie, C, Grigulis, K, Lavorel, S, Legay, N, Baxendale, CL, Bardgett, RD, Bahn, M, Poly, F & Clément, J-C 2018, 'The added value of including key microbial traits to determine nitrogen-related ecosystem services in managed grasslands', Journal of Applied Ecology, vol. 55, no. 1, pp. 49-58. https://doi.org/10.1111/1365-2664.13010

APA

Pommier, T., Amelie, C., Grigulis, K., Lavorel, S., Legay, N., Baxendale, C. L., Bardgett, R. D., Bahn, M., Poly, F., & Clément, J-C. (2018). The added value of including key microbial traits to determine nitrogen-related ecosystem services in managed grasslands. Journal of Applied Ecology, 55(1), 49-58. https://doi.org/10.1111/1365-2664.13010

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Author

Pommier, Thomas ; Amelie, Cantarel ; Grigulis, K ; Lavorel, Sandra ; Legay, N ; Baxendale, Catherine Louise ; Bardgett, Richard David ; Bahn, Michael ; Poly, Franck ; Clément, J-C. / The added value of including key microbial traits to determine nitrogen-related ecosystem services in managed grasslands. In: Journal of Applied Ecology. 2018 ; Vol. 55, No. 1. pp. 49-58.

Bibtex

@article{988be923a60f49419b34c8a85c3a4741,
title = "The added value of including key microbial traits to determine nitrogen-related ecosystem services in managed grasslands",
abstract = "Despite playing central roles in nutrient cycles and plant growth, soil microbes are generally neglected in the study of ecosystem services (ES), due to difficulties to assess their diversity and functioning. However, to overcome these hurdles, new conceptual approaches and modern tools now provide a means to assess the role of micro-organisms in the evaluation of ES. In managed grasslands, soil microbes are central in providing nitrogen (N)-related ES such as maintenance of soil fertility and retention of mineral forms of N. Here, we applied state-of-the-art techniques in microbial ecology and plant functional ecology to uncover the intrinsic link between N-related bacterial functional groups, important plant functional traits, environmental factors and three proxies of maintenance of soil fertility and potential for N-leaching across managed grasslands in three regions of Europe. By constructing well-defined structural equation modelling, we showed that including key microbial traits improve on average more than >50% of the total variances of ES proxies, that is, ammonium (math formula) or nitrate (math formula) leaching, and soil organic matter content. Geographic differences arose when considering the direct relationships of these ES proxies with specific microbial traits: nitrate leaching was positively correlated to the maximum rate of nitrification, except in the Austrian site and potentially leached math formula–N was negatively correlated to the fungi/bacteria ratio, with the exception of the French site. Synthesis and applications. The integration of soil microbial functional traits in the assessment of nitrogen-related grassland ecosystem services has direct contributions for understanding sustainable management of grassland ecosystems. The fundamental aspects of this study suggest that integrating a soil microbial component in grassland management may enhance sustainability of such grass-based agroecosystems.",
keywords = "above- and below-ground interactions, agroecology, ecosystem services, functional traits, grass-based agroecosystems , N-cycle , nitrogen retention , soil fertility, subalpine grassland",
author = "Thomas Pommier and Cantarel Amelie and K Grigulis and Sandra Lavorel and N Legay and Baxendale, {Catherine Louise} and Bardgett, {Richard David} and Michael Bahn and Franck Poly and J-C Cl{\'e}ment",
year = "2018",
month = jan,
doi = "10.1111/1365-2664.13010",
language = "English",
volume = "55",
pages = "49--58",
journal = "Journal of Applied Ecology",
issn = "0021-8901",
publisher = "Blackwell Publishing Ltd",
number = "1",

}

RIS

TY - JOUR

T1 - The added value of including key microbial traits to determine nitrogen-related ecosystem services in managed grasslands

AU - Pommier, Thomas

AU - Amelie, Cantarel

AU - Grigulis, K

AU - Lavorel, Sandra

AU - Legay, N

AU - Baxendale, Catherine Louise

AU - Bardgett, Richard David

AU - Bahn, Michael

AU - Poly, Franck

AU - Clément, J-C

PY - 2018/1

Y1 - 2018/1

N2 - Despite playing central roles in nutrient cycles and plant growth, soil microbes are generally neglected in the study of ecosystem services (ES), due to difficulties to assess their diversity and functioning. However, to overcome these hurdles, new conceptual approaches and modern tools now provide a means to assess the role of micro-organisms in the evaluation of ES. In managed grasslands, soil microbes are central in providing nitrogen (N)-related ES such as maintenance of soil fertility and retention of mineral forms of N. Here, we applied state-of-the-art techniques in microbial ecology and plant functional ecology to uncover the intrinsic link between N-related bacterial functional groups, important plant functional traits, environmental factors and three proxies of maintenance of soil fertility and potential for N-leaching across managed grasslands in three regions of Europe. By constructing well-defined structural equation modelling, we showed that including key microbial traits improve on average more than >50% of the total variances of ES proxies, that is, ammonium (math formula) or nitrate (math formula) leaching, and soil organic matter content. Geographic differences arose when considering the direct relationships of these ES proxies with specific microbial traits: nitrate leaching was positively correlated to the maximum rate of nitrification, except in the Austrian site and potentially leached math formula–N was negatively correlated to the fungi/bacteria ratio, with the exception of the French site. Synthesis and applications. The integration of soil microbial functional traits in the assessment of nitrogen-related grassland ecosystem services has direct contributions for understanding sustainable management of grassland ecosystems. The fundamental aspects of this study suggest that integrating a soil microbial component in grassland management may enhance sustainability of such grass-based agroecosystems.

AB - Despite playing central roles in nutrient cycles and plant growth, soil microbes are generally neglected in the study of ecosystem services (ES), due to difficulties to assess their diversity and functioning. However, to overcome these hurdles, new conceptual approaches and modern tools now provide a means to assess the role of micro-organisms in the evaluation of ES. In managed grasslands, soil microbes are central in providing nitrogen (N)-related ES such as maintenance of soil fertility and retention of mineral forms of N. Here, we applied state-of-the-art techniques in microbial ecology and plant functional ecology to uncover the intrinsic link between N-related bacterial functional groups, important plant functional traits, environmental factors and three proxies of maintenance of soil fertility and potential for N-leaching across managed grasslands in three regions of Europe. By constructing well-defined structural equation modelling, we showed that including key microbial traits improve on average more than >50% of the total variances of ES proxies, that is, ammonium (math formula) or nitrate (math formula) leaching, and soil organic matter content. Geographic differences arose when considering the direct relationships of these ES proxies with specific microbial traits: nitrate leaching was positively correlated to the maximum rate of nitrification, except in the Austrian site and potentially leached math formula–N was negatively correlated to the fungi/bacteria ratio, with the exception of the French site. Synthesis and applications. The integration of soil microbial functional traits in the assessment of nitrogen-related grassland ecosystem services has direct contributions for understanding sustainable management of grassland ecosystems. The fundamental aspects of this study suggest that integrating a soil microbial component in grassland management may enhance sustainability of such grass-based agroecosystems.

KW - above- and below-ground interactions

KW - agroecology

KW - ecosystem services

KW - functional traits

KW - grass-based agroecosystems

KW - N-cycle

KW - nitrogen retention

KW - soil fertility

KW - subalpine grassland

U2 - 10.1111/1365-2664.13010

DO - 10.1111/1365-2664.13010

M3 - Journal article

VL - 55

SP - 49

EP - 58

JO - Journal of Applied Ecology

JF - Journal of Applied Ecology

SN - 0021-8901

IS - 1

ER -