University of Oulu

Risch, A.C., Zimmermann, S., Ochoa-Hueso, R. et al. Soil net nitrogen mineralisation across global grasslands. Nat Commun 10, 4981 (2019).

Soil net nitrogen mineralisation across global grasslands

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Author: Risch, A. C.1; Zimmermann, S.1; Ochoa-Hueso, R.2;
Organizations: 1Swiss Fed Inst Forest Snow & Landscape Res WSL, Zuercherstr 111, CH-8903 Birmensdorf, Switzerland.
2Univ Cadiz, Dept Biol, IVAGRO, Campus Excelencia Internac Agroalimentario CeiA3, Campus Rio San Pedro, Cadiz 11510, Spain.
3Queensland Univ Technol, Sch Earth Environm & Biol Sci, Fac Sci & Engn, Brisbane, Qld 4001, Australia.
4USDA ARS, Grassland Soil & Water Res Lab, Temple, TX 76502 USA.
5Univ Minnesota, Dept Ecol Evolut & Behav, St Paul, MN 55108 USA.
6UFZ Helmholtz Ctr Environm Res, Dept Physiol Divers, Permoserstr 15, D-04318 Leipzig, Germany.
7German Ctr Integrat Biodivers Res iDiv, Deutsch Pl 5e, D-04103 Leipzig, Germany.
8Martin Luther Univ Halle Wittenberg, Inst Biol, Kirchtor 1, D-06108 Halle, Saale, Germany.
9Univ Nebraska, Sch Biol Sci, 211A Manter Hall, Lincoln, NE 68588 USA.
10Xian Jiaotong Liverpool Univ, Dept Hlth & Environm Sci, Suzhou 215213, Peoples R China.
11Univ Kentucky, Dept Plant & Soil Sci, Lexington, KY 40546 USA.
12Univ Manchester, Sch Earth & Environm Sci, Michael Smith Bldg,Oxford Rd, Manchester M13 9PT, Lancs, England.
13Univ Lancaster, Lancaster Environm Ctr, Lancaster LA1 4YQ, England.
14Univ Florida, Range Cattle Res & Educ Ctr, Ona, FL 33865 USA.
15Utah State Univ, Dept Wildland Resources, 5230 Old Main, Logan, UT 84103 USA.
16Utah State Univ, Ecol Ctr, 5230 Old Main, Logan, UT 84103 USA.
17Escuela Politecn Nacl Ecuador, Dept Biol, Ladron Guevera E11-253 & Andalucia, Quito, Ecuador.
18Iowa State Univ, Dept Ecol Evolut & Organismal Biol, Ames, IA 50011 USA.
19Kansas State Univ, Div Biol, Manhattan, KS 66502 USA.
20Colorado State Univ, Grad Degree Program Ecol, Dept Bioagr Sci & Pest Managemen, 1177 Campus Delivery, Ft Collins, CO 80523 USA.
21Univ Lisbon, Inst Super Agron, Ctr Estudos Florestais, P-1349017 Lisbon, Portugal.
22Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA.
23Univ Nacl Mar del Plata, IIMyC, CONICET, Mar Del Plata, Buenos Aires, Argentina.
24Univ Nacl Comahue, INIBIOMA CONICET UNCOMA, GrInBiC, Lab Ecotono, RA-1250 San Carlos De Bariloche, Rio Negro, Argentina.
25Friedrich Schiller Univ Jena, Inst Ecol & Evolut, Dornburger Str 159, D-07743 Jena, Germany.
26Univ Leipzig, Inst Biol, Deutsch Pl 5e, D-04103 Leipzig, Germany.
27Univ Calif San Diego, 9500 Gilman Dr, La Jolla, CA 92037 USA.
28Univ Oulu, Dept Ecol & Genet, Pentti Kaiteran Katu 1, Oulu 90014, Finland.
29Univ Pretoria, Dept Zool & Entomol, Mammal Res Inst, Pretoria, South Africa.
30Univ Utrecht, Dept Biol, Ecol & Biodivers Grp, Padualaan 8, NL-3584 CH Utrecht, Netherlands.
31Univ KwaZulu Natal, Private Bag X01, ZA-3209 Pietermaritzburg, Scottsville, South Africa.
32Univ Guelph, Dept Integrat Biol, Guelph, ON N1G 2W1, Canada.
33Monash Univ, Sch Biol Sci, Clayton, Vic 3800, Australia.
34Univ Western Sydney, Hawkesbury Inst Environm, Locked Bag 1797, Penrith, NSW 2751, Australia.
35CSIRO Land & Water, Private Bag 5, Wembley, WA 6913, Australia.
36TIFR, Natl Ctr Biol Sci, Bangalore 560065, Karnataka, India.
37Univ Leeds, Sch Biol, Leeds LS2 9JT, W Yorkshire, England.
38Univ Buenos Aires, CONICET, Inst Invest Fisiol & Ecol Vinculadas Agr IFEVA, Fac Agron, Buenos Aires, DF, Argentina.
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 2.6 MB)
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Language: English
Published: Springer Nature, 2019
Publish Date: 2020-03-11


Soil nitrogen mineralisation (Nmin), the conversion of organic into inorganic N, is important for productivity and nutrient cycling. The balance between mineralisation and immobilisation (net Nmin) varies with soil properties and climate. However, because most global-scale assessments of net Nmin are laboratory-based, its regulation under field-conditions and implications for real-world soil functioning remain uncertain. Here, we explore the drivers of realised (field) and potential (laboratory) soil net Nmin across 30 grasslands worldwide. We find that realised Nmin is largely explained by temperature of the wettest quarter, microbial biomass, clay content and bulk density. Potential Nmin only weakly correlates with realised Nmin, but contributes to explain realised net Nmin when combined with soil and climatic variables. We provide novel insights of global realised soil net Nmin and show that potential soil net Nmin data available in the literature could be parameterised with soil and climate data to better predict realised Nmin.

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Series: Nature communications
ISSN: 2041-1723
ISSN-E: 2041-1723
ISSN-L: 2041-1723
Volume: 10
Article number: 4981
DOI: 10.1038/s41467-019-12948-2
Type of Publication: A1 Journal article – refereed
Field of Science: 1172 Environmental sciences
Funding: This work was conducted within the Nutrient Network ( experiment, funded at the site-scale by individual researchers. The soil net Nmin add-on study was funded by two internal competitive WSL grants to A.C.R., B.M., M.Sc., F.H. and S.Z. as well as to B.F., A.C.R. and S.Z. Coordination and data management have been supported by funding from the National Science Foundation Research Coordination Network (NSF-DEB-1042132) to E.T.B. and E.W.S., and from the Long-Term Ecological Research (LTER) programme (NSF-DEB-1234162), and the Institute on the Environment at the University of Minnesota (DG-0001-13). We also thank the Minnesota Supercomputer Institute for hosting project data, and the Institute on the Environment for hosting Network meetings. We are grateful to Roger Köchli and Simon Baumgartner for their help with sample processing and analyses, and to Benjamin R. Fitzpatrick for support with calculating growing season lengths and statistical advise. In addition, A.di V. thanks the Nature Conservancy, Gustavo Iglesias and People from Fortin Chacabuco Ranch for access to the field plots to conduct field work there. L.Y. was supported by Universidad de Buenos Aires and Agencia Nacional de Promocion Cientifica y Tecnologica (PICT 2014-3026), and S.M.P. thanks Georg Wiehl for technical assistance, Denise and Malcolm French for use of Mt. Caroline and the support from the TERN Great Western Woodlands SuperSite. N.E. and J.S. acknowledge support of the German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig funded by the German Research Foundation (FZT 118).
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