ArticleThe ISME journal2020
Environmental heterogeneity determines the ecological processes that govern bacterial metacommunity assembly in a floodplain river system.
Article in The ISME journal, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.
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Who cites it
54 citing papers in PubMed.
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- Characteristics, Assembly Processes and Stability of Bacterial Communities in Aquatic-Terrestrial Ecotone: A Case Study of Danjiangkou Reservoir, China.Microorganisms · 2026Article
- Seasonal variations and assembly patterns of endophytic communities of Rheum palmatum.BMC microbiology · 2026Article
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- Tree diversity shapes soil bacterial community structure under low abiotic heterogeneity in the Atlantic forest.Archives of microbiology · 2026Article
- Microbial diversity and functional analysis in wastewater and sludge of wastewater treatment plants.PeerJ · 2026Article
- Recovering European River Invertebrate Communities Homogenize or Differentiate Depending on Anthropogenic Stress.Global change biology · 2026Article
- Ecological Processes Shaping Marine Microbial Assemblages Diverge Between Equatorial and Temperate Time-Series.Molecular ecology · 2026Article
- Upwelling periodically disturbs the ecological assembly of microbial communities in Lake Ontario.ISME communications · 2026Article
- Seasonal Changes Drive Shifts in Bacterial Community Structure and Functional Composition in the Yellow River (Zhengzhou Section).Current microbiology · 2025Article
- Ocean currents and environmental gradients shape prokaryotic community structure and function in the South China Sea.Microbiology spectrum · 2025Article
- Feather Microbiota Landscapes: Biogeography and Phenology Shape Feather Microbiota Traits in a Migratory Seabird in a Subantarctic Ecosystem.Molecular ecology · 2025Article
- Community interactions and functions drive bacteriome assembly in soil-plant continua of fragile estuarine wetland.BMC plant biology · 2025Article
- Stochasticity Shapes Microbial Communities in High-Altitude Lakes, Whereas Species Selection and Homogenization Dispersal Are More Important in Lowland Lakes: Case of Benthic Diatoms in Alpine Lakes.Ecology and evolution · 2025Article
- Unveiling the ecological processes driving soil and lichen microbiome assembly along an urbanization gradient.NPJ biofilms and microbiomes · 2025Article
- Drift Drives Foraminiferal Community Assembly on a Carbonate Platform.Ecology and evolution · 2025Article
- Microbial Community Responses and Nitrogen Cycling in the Nitrogen-Polluted Urban Shi River Revealed by Metagenomics.Microorganisms · 2025Article
- Deciphering Planktonic Bacterial Community Assembly in the Storage Reservoir of the Long-Distance Water Diversion Project.Microorganisms · 2025Article
- Time-decay patterns and irregular disturbance: contrasting roles of abundant and rare microbial communities in dynamic coastal seawater.Applied and environmental microbiology · 2025Article
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6 authors.
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Abstract
How diversity is structured has been a central goal of microbial ecology. In freshwater ecosystems, selection has been found to be the main driver shaping bacterial communities. However, its relative importance compared with other processes (dispersal, drift, diversification) may depend on spatial heterogeneity and the dispersal rates within a metacommunity. Still, a decrease in the role of selection is expected with increasing dispersal homogenization. Here, we investigate the main ecological processes modulating bacterial assembly in contrasting scenarios of environmental heterogeneity. We carried out a spatiotemporal survey in the floodplain system of the Paraná River. The bacterioplankton metacommunity was studied using both statistical inferences based on phylogenetic and taxa turnover as well as co-occurrence networks. We found that selection was the main process determining community assembly even at both extremes of environmental heterogeneity and homogeneity, challenging the general view that the strength of selection is weakened due to dispersal homogenization. The ecological processes acting on the community also determined the connectedness of bacterial networks associations. Heterogeneous selection promoted more interconnected networks increasing β-diversity. Finally, spatiotemporal heterogeneity was an important factor determining the number and identity of the most highly connected taxa in the system. Integrating all these empirical evidences, we propose a new conceptual model that elucidates how the environmental heterogeneity determines the action of the ecological processes shaping the bacterial metacommunity.
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