Plant diversity predicts beta but not alpha diversity of soil microbes across grasslands worldwide
Prober, Suzanne M., Leff, Jonathon M., Bates, Scott T., Borer, Elizabeth T., Firn, Jennifer, Harpole, W. Stanley, Lind, Eric M., Seabloom, Eric W., Adler, Peter B., Cleland, Elsa E., DeCrappeo, Nicole M., Hagenah, Nicole, Hautier, Yann, Hofmockel, Nicole, Kirkman, Kevin P., Knops, Johannes M.H., La Pierre, Kimberly, MacDougall, Andrew S., McCulley, Rebecca L., Mitchell, Charles M., Risch, Anita C., Schuetz, Martin, Stevens, Carly J., Williams, Ryan J., & Fierer, Noah (2015) Plant diversity predicts beta but not alpha diversity of soil microbes across grasslands worldwide. Ecology Letters, 18(1), pp. 85-95.
Aboveground–belowground interactions exert critical controls on the composition and function of terrestrial ecosystems, yet the fundamental relationships between plant diversity and soil microbial diversity remain elusive. Theory predicts predominantly positive associations but tests within single sites have shown variable relationships, and associations between plant and microbial diversity across broad spatial scales remain largely unexplored. We compared the diversity of plant, bacterial, archaeal and fungal communities in one hundred and forty-five 1 m2 plots across 25 temperate grassland sites from four continents. Across sites, the plant alpha diversity patterns were poorly related to those observed for any soil microbial group. However, plant beta diversity (compositional dissimilarity between sites) was significantly correlated with the beta diversity of bacterial and fungal communities, even after controlling for environmental factors. Thus, across a global range of temperate grasslands, plant diversity can predict patterns in the composition of soil microbial communities, but not patterns in alpha diversity.
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|Item Type:||Journal Article|
|Keywords:||Aboveground–belowground interactions, archaea, bacteria, fungi, grasslands, microbial biogeography, soil biodiversity|
|Subjects:||Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000) > ECOLOGICAL APPLICATIONS (050100) > Ecosystem Function (050102)|
|Divisions:||Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Deposited On:||17 Dec 2014 01:48|
|Last Modified:||19 Dec 2014 00:52|
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