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Bouncing Back: Plant-Associated Soil Microbes Respond Rapidly to Prairie Establishment

Journal Article · · PLoS ONE
 [1];  [2];  [2]
  1. Michigan State University, East Lansing, MI (United States); Univ. of Wisconsin, Madison, WI (United States)
  2. University of Wisconsin, Madison, WI (United States); University of Wisconsin, Madison, WI (United States). DOE-Great Lakes Bioenergy Research Center
It is well established that soil microbial communities change in response to altered land use and land cover, but less is known about the timing of these changes. Understanding temporal patterns in recovering microbial communities is an important part of improving how we assess and manage reconstructed ecosystems. We assessed patterns of community-level microbial diversity and abundance in corn and prairie plots 2 to 4 years after establishment in agricultural fields, using phospholipid fatty acid biomarkers. Principal components analysis of the lipid biomarkers revealed differing composition between corn and prairie soil microbial communities. Despite no changes to the biomass of Gram-positive bacteria and actinomycetes, total biomass, arbuscular mycorrhizal fungi biomass, and Gram-negative bacteria biomass were significantly higher in restored prairie plots, approaching levels found in long-established prairies. These results indicate that plant-associated soil microbes in agricultural soils can shift in less than 2 years after establishment of perennial grasslands.
Research Organization:
University of Wisconsin, Madison, WI (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
FC02-07ER64494
OSTI ID:
1904714
Journal Information:
PLoS ONE, Journal Name: PLoS ONE Journal Issue: 12 Vol. 9; ISSN 1932-6203
Publisher:
Public Library of ScienceCopyright Statement
Country of Publication:
United States
Language:
English

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