| Title | It is elemental: soil nutrient stoichiometry drives bacterial diversity |
| Publication Type | Journal Article |
| Year of Publication | 2017 |
| Authors | Delgado-Baquerizo M., Reich P.B, Khachane A.N, Campbell C.D, Thomas N., Freitag T.E, W. Al-Soud A, Sorensen S., Bardgett R.D, Singh B.K |
| Journal | Environmental Microbiology |
| Volume | 19 |
| Pagination | 1176-1188 |
| Date Published | Mar |
| Type of Article | Article |
| ISBN Number | 1462-2912 |
| Accession Number | WOS:000397525100028 |
| Keywords | below-ground biodiversity, carbon, climate, communities, life, microbial diversity, Microbiology, organic-matter, patterns, Plant diversity, terrestrial ecosystems |
| Abstract | It is well established that resource quantity and elemental stoichiometry play major roles in shaping below and aboveground plant biodiversity, but their importance for shaping microbial diversity in soil remains unclear. Here, we used statistical modeling on a regional database covering 179 locations and six ecosystem types across Scotland to evaluate the roles of total carbon (C), nitrogen (N) and phosphorus (P) availabilities and ratios, together with land use, climate and biotic and abiotic factors, in determining regional scale patterns of soil bacterial diversity. We found that bacterial diversity and composition were primarily driven by variation in soil resource stoichiometry (total C:N:P ratios), itself linked to different land uses, and secondarily driven by other important biodiversity drivers such as climate, soil spatial heterogeneity, soil pH, root influence (plant-soil microbe interactions) and microbial biomass (soil microbe-microbe interactions). In aggregate, these findings provide evidence that nutrient stoichiometry is a strong predictor of bacterial diversity and composition at a regional scale. |
| Short Title | Environ. Microbiol.Environ. Microbiol. |
| Alternate Journal | Environ. Microbiol. |
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- It is elemental: soil nutrient stoichiometry drives bacterial diversity
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Delgado-Baquerizo, Manuel Reich, Peter B. Khachane, Amit N. Campbell, Colin D. Thomas, Nadine Freitag, Thomas E. Abu Al-Soud, Waleed Sorensen, Soren Bardgett, Richard D. Singh, Brajesh K.
ARC [DP13010484]; Scottish Government
This research is supported by the ARC project DP13010484. CDC and NT were funded by the Scottish Government. The work of the Soil Survey of Scotland team and analytical staff at the James Hutton Institute are acknowledged for the use of samples and data in the Soil Inventory. We also acknowledge C. Cameron, E. Reid and A. Main for their contribution to laboratory analyses. Finally, we also thank Jasmine Grinyer and Melissa S. Martin for revising the English of this manuscript.
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[biblio_auth_address] => [Delgado-Baquerizo, Manuel; Reich, Peter B.; Khachane, Amit N.; Singh, Brajesh K.] Univ Western Sydney, Hawkesbury Inst Environm, Penrith, NSW 2751, Australia. [Delgado-Baquerizo, Manuel] Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA. [Reich, Peter B.] Univ Minnesota, Dept Forest Resources, St Paul, MN 55108 USA. [Campbell, Colin D.; Thomas, Nadine; Freitag, Thomas E.] James Hutton Inst, Aberdeen AB15 8QH, Scotland. [Abu Al-Soud, Waleed; Sorensen, Soren] Univ Copenhagen, Dept Food Sci, Frederiksberg, Denmark. [Bardgett, Richard D.] Univ Manchester, Sch Earth & Environm Sci, Michael Smith Bldg,Oxford Rd, Manchester M13 9PT, Lancs, England. [Singh, Brajesh K.] Univ Western Sydney, Global Ctr Land Based Innovat, Penrith, NSW 2751, Australia.
Delgado-Baquerizo, M (reprint author), Univ Western Sydney, Hawkesbury Inst Environm, Penrith, NSW 2751, Australia.; Delgado-Baquerizo, M (reprint author), Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA.
m.delgadoBaquerizo@gmail.com; B.Singh@westernsydney.edu.au
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