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Title: Fungi in the future: interannual variation and effects of atmospheric change on arbuscular mycorrhizal fungal communities

Journal Article · · New Phytologist
DOI:https://doi.org/10.1111/nph.13224· OSTI ID:1778416
 [1];  [2];  [3];  [4];  [2]
  1. Department of Biology University of York York YO10 5DD UK, School of Biological Sciences University of Essex Wivenhoe Park Colchester CO4 3SQ UK, Department of Animal and Plant Sciences Alfred Denny Building University of Sheffield Western Bank Sheffield S10 2TN UK
  2. Department of Biology University of York York YO10 5DD UK
  3. Biosciences Division Argonne National Laboratory 9700 S. Cass Avenue Argonne IL 60439 USA
  4. School of Biological Sciences University of Essex Wivenhoe Park Colchester CO4 3SQ UK

Summary Understanding the natural dynamics of arbuscular mycorrhizal ( AM ) fungi and their response to global environmental change is essential for the prediction of future plant growth and ecosystem functions. We investigated the long‐term temporal dynamics and effect of elevated atmospheric carbon dioxide ( CO 2 ) and ozone (O 3 ) concentrations on AM fungal communities. Molecular methods were used to characterize the AM fungal communities of soybean ( Glycine max ) grown under elevated and ambient atmospheric concentrations of both CO 2 and O 3 within a free air concentration enrichment experiment in three growing seasons over 5 yr. Elevated CO 2 altered the community composition of AM fungi, increasing the ratio of Glomeraceae to Gigasporaceae. By contrast, no effect of elevated O 3 on AM fungal communities was detected. However, the greatest compositional differences detected were between years, suggesting that, at least in the short term, large‐scale interannual temporal dynamics are stronger mediators than atmospheric CO 2 concentrations of AM fungal communities. We conclude that, although atmospheric change may significantly alter AM fungal communities, this effect may be masked by the influences of natural changes and successional patterns through time. We suggest that changes in carbon availability are important determinants of the community dynamics of AM fungi.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1778416
Alternate ID(s):
OSTI ID: 1212767; OSTI ID: 1778417
Journal Information:
New Phytologist, Journal Name: New Phytologist Vol. 205 Journal Issue: 4; ISSN 0028-646X
Publisher:
Wiley-BlackwellCopyright Statement
Country of Publication:
United Kingdom
Language:
English
Citation Metrics:
Cited by: 54 works
Citation information provided by
Web of Science

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