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
Influence of corn, switchgrass, and prairie cropping systems on soil microbial communities in the upper Midwest of the United States
Ederson da Conceição Jesus,Ederson da Conceição Jesus,Chao Liang,Chao Liang,John F. Quensen,Endang Susilawati,Endang Susilawati,Randall D. Jackson,Teresa C. Balser,James M. Tiedje +9 more
TL;DR: Bacterial and fungal biomasses were higher under perennial grasses and restored prairie, suggesting a more active carbon pool and greater microbial processing potential, which should be beneficial for plant acquisition and ecosystem retention of carbon, water, and nutrients.
Journal ArticleDOI
Plant Invasions Associated with Change in Root-Zone Microbial Community Structure and Diversity.
Richard R. Rodrigues,Rosana P. Pineda,Jacob N. Barney,Erik T. Nilsen,John E. Barrett,Mark A. Williams +5 more
TL;DR: Overall, bacterial and fungal communities changed congruently across plant invaders, and support the hypothesis that nitrogen cycling bacteria and functions are important factors in plant invasions.
Journal ArticleDOI
Long-term no-till: A major driver of fungal communities in dryland wheat cropping systems.
Dipak Sharma-Poudyal,Daniel C. Schlatter,Chuntao Yin,Scot H. Hulbert,Timothy C. Paulitz,Timothy C. Paulitz +5 more
TL;DR: The results suggest that NT fungi are better adapted at utilizing intact, decaying roots as a food source and may exist as root endophytes, and a larger proportion of the fungal community is not affected by tillage and may be niche generalists.
Journal ArticleDOI
Land use change effects on diversity of soil bacterial, Acidobacterial and fungal communities in wetlands of the Sanjiang Plain, northeastern China.
TL;DR: Investigating the relationships between the composition of the soil bacterial, acidobacterial, and fungal communities and the transformation of wetlands by human activities in the Sanjiang Plain showed that the agricultural cultivation of wetlands changes the available soil carbon, nitrogen, and phosphorus pools.
Journal ArticleDOI
Effect of agricultural land use change on community composition of bacteria and ammonia oxidizers
TL;DR: In this paper, four agricultural land use patterns were selected for the study, including old rice paddy fields (ORP), Magnolia nursery planting (MNP), short-term vegetable (STV), and long-term vegetables (LTV) cultivation.
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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