Journal ArticleDOI
Land-use history has a stronger impact on soil microbial community composition than aboveground vegetation and soil properties
Kamlesh Jangid,Mark A. Williams,Alan J. Franzluebbers,Thomas M. Schmidt,David C. Coleman,William B. Whitman +5 more
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TLDR
History of land-use was a stronger determinant of the composition of microbial communities than vegetation and soil properties, and microbial communities in disturbed soils apparently return to their native state with time.Abstract:
The response of soil microbial communities following changes in land-use is governed by multiple factors. The objectives of this study were to investigate (i) whether soil microbial communities track the changes in aboveground vegetation during succession; and (ii) whether microbial communities return to their native state over time. Two successional gradients with different vegetation were studied at the W. K. Kellogg Biological Station, Michigan. The first gradient comprised a conventionally tilled cropland (CT), mid-succession forest (SF) abandoned from cultivation prior to 1951, and native deciduous forest (DF). The second gradient comprised the CT cropland, early-succession grassland (ES) restored in 1989, and long-term mowed grassland (MG). With succession, the total microbial PLFAs and soil microbial biomass C consistently increased in both gradients. While bacterial rRNA gene diversity remained unchanged, the abundance and composition of many bacterial phyla changed significantly. Moreover, microbial communities in the relatively pristine DF and MG soils were very similar despite major differences in soil properties and vegetation. After >50 years of succession, and despite different vegetation, microbial communities in SF were more similar to those in mature DF than in CT. In contrast, even after 17 years of succession, microbial communities in ES were more similar to CT than endpoint MG despite very different vegetation between CT and ES. This result suggested a lasting impact of cultivation history on the soil microbial community. With conversion of deciduous to conifer forest (CF), there was a significant change in multiple soil properties that correlated with changes in microbial biomass, rRNA gene diversity and community composition. In conclusion, history of land-use was a stronger determinant of the composition of microbial communities than vegetation and soil properties. Further, microbial communities in disturbed soils apparently return to their native state with time.read more
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Journal ArticleDOI
Soil fungal and bacterial responses to conversion of open land to short-rotation woody biomass crops
Chao Xue,Chao Xue,Christopher Ryan Penton,Christopher Ryan Penton,Bangzhou Zhang,Bangzhou Zhang,Mengxin Zhao,Mengxin Zhao,David E. Rothstein,David J. Mladenoff,Jodi A. Forrester,Qirong Shen,James M. Tiedje +12 more
TL;DR: The authors used pyrosequencing of 16S and 28S rRNA genes in soil to assess bacterial and fungal populations when marginal grasslands were converted into willow (Salix spp.) and hybrid poplar (Populus spp) plantations at two sites with similar soils and climate history.
Journal ArticleDOI
Soil bacterial community restoration along a chronosequence of sand-fixing plantations on moving sand dunes in the Horqin sandy land in northeast China
TL;DR: In this article, the authors detected the variation in diversities and structures of soil bacterial communities by using the high-throughput Illumina MiSeq sequencing technique from a chronosequence of Caragana microphylla plantations and the natural CARAGMAN community (NC), which is widely distributed in this region.
Journal ArticleDOI
Long-term effect of residue return and fertilization on microbial biomass and community composition of a clay loam soil
TL;DR: In this article, a field study was carried out to examine the response of microbial communities of a clay loam soil to long-term (30 years) effects of residue return and fertilization.
Journal ArticleDOI
Bacterial community structure associated with the addition of nitrogen and the dynamics of soluble carbon in the rhizosphere of canola (Brassica napus) grown in a Podzol
Carlos M. Monreal,J. Zhang,S. Koziel,J. Vidmar,M. González,Francisco Matus,S. Baxi,S. Wu,Maria C. DeRosa,Paulina Etcheverría +9 more
TL;DR: It is suggested that diffusional constraints depleted soluble-C in the vicinity of microbial communities to a growth limiting concentration more frequently in the soil alone than in canola rhizosphere.
Journal ArticleDOI
Deciphering factors driving soil microbial life‐history strategies in restored grasslands
TL;DR: In this paper , the authors examined the changes in microbial life-history traits in a chronosequence of restored grasslands (1, 5, 10, 15, 25, and 30 years since restoration).
References
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Journal ArticleDOI
Greengenes, a Chimera-Checked 16S rRNA Gene Database and Workbench Compatible with ARB
Todd Z. DeSantis,Philip Hugenholtz,Neils Larsen,Mark Rojas,Eoin L. Brodie,Keith Keller,Thomas Huber,Daniel Dalevi,Ping Hu,Gary L. Andersen +9 more
TL;DR: A 16S rRNA gene database (http://greengenes.lbl.gov) was used to provide chimera screening, standard alignment, and taxonomic classification using multiple published taxonomies as mentioned in this paper.
Journal ArticleDOI
The diversity and biogeography of soil bacterial communities
Noah Fierer,Robert B. Jackson +1 more
TL;DR: Bacterial diversity was highest in neutral soils and lower in acidic soils, with soils from the Peruvian Amazon the most acidic and least diverse in this study.
Journal ArticleDOI
Introducing DOTUR, a Computer Program for Defining Operational Taxonomic Units and Estimating Species Richness
Patrick D. Schloss,Jo Handelsman +1 more
TL;DR: A computer program, DOTUR, is developed, which assigns sequences to OTUs by using either the furthest, average, or nearest neighbor algorithm for each distance level, which addresses the challenge of assigning sequences to operational taxonomic units (OTUs) based on the genetic distances between sequences.
Journal ArticleDOI
Global patterns in bacterial diversity
Catherine A. Lozupone,Rob Knight +1 more
TL;DR: The most comprehensive analysis of the environmental distribution of bacteria to date, based on 21,752 16S rRNA sequences compiled from 111 studies of diverse physical environments, is reported in this article.
Journal ArticleDOI
The influence of soil properties on the structure of bacterial and fungal communities across land-use types
TL;DR: Soil pH was the best predictor of bacterial community composition across this landscape while fungal community composition was most closely associated with changes in soil nutrient status, suggesting specific changes in edaphic properties, not necessarily land-use type itself, may best predict shifts in microbialcommunity composition across a given landscape.
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