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Papers
20 resultsShowing papers similar to Ecological differentiation and assembly processes of abundant and rare bacterial subcommunities in karst groundwater
ClearTypes of vegetables shape composition, diversity, and co-occurrence networks of soil bacteria and fungi in karst areas of southwest China
Researchers examined how different vegetable crops influence the composition of soil bacteria and fungi in karst landscapes of southwest China. They found that the type of vegetable grown significantly shaped the diversity and co-occurrence patterns of soil microbial communities. The findings provide a foundation for understanding how agricultural practices affect soil health in ecologically fragile karst environments.
From the Mountain to the Valley: Drivers of Groundwater Prokaryotic Communities along an Alpine River Corridor
Researchers sampled river water and groundwater from 59 sites along a 300 km transect of the Mur River valley in Austria and Slovenia, finding that dispersal limitation drives microbial community assembly at high altitudes while homogeneous selection dominates in lowland aquifers, with land use being a key determinant of groundwater microbiome composition throughout.
Spatiotemporal changes of bacterial communities during a cyanobacterial bloom in a subtropical water source reservoir ecosystem in China
Researchers used DNA sequencing to track how bacterial communities in a Chinese reservoir changed during different phases of a cyanobacterial (harmful algae) bloom, finding that bacterial diversity dropped significantly during the bloom outbreak and that the composition of communities shifted in distinct ways tied to nutrient levels and temperature. Understanding these microbial dynamics could help water managers predict and control harmful algal blooms that threaten drinking water quality.
Contrasting the diversity patterns and processes of microbial community assembly in water and sediment in Lake Wuchang, China
This study investigated how bacterial communities are distributed between water and sediment in Lake Wuchang, China, finding that different ecological processes drive community assembly in each habitat. Understanding these microbial patterns helps clarify ecosystem function in freshwater lakes.
Linking ecological niches to bacterial community structure and assembly in polluted urban aquatic ecosystems
Researchers examined how ecological niches shape bacterial community structure and assembly in polluted urban water ecosystems. The study found that the specific environmental conditions within different niches play a key role in determining how microbial communities respond to water pollution. These findings have implications for understanding microbial ecology and maintaining aquatic ecosystem health.
Soil Microbial Communities in Pseudotsuga sinensis Forests with Different Degrees of Rocky Desertification in the Karst Region, Southwest China
Researchers studied how increasing levels of rocky desertification in karst forests in southwest China affect soil microbial communities. They found that bacterial diversity declined significantly as desertification worsened, while fungal communities showed more resilience. Key soil properties including pH, organic carbon, and available nitrogen were identified as the main drivers shaping these microbial community shifts.
Structural and Functional Characteristics of Soil Microbial Communities in Forest–Wetland Ecotones: A Case Study of the Lesser Khingan Mountains
Researchers examined soil microbial communities across a forest-to-wetland gradient in China's Lesser Khingan Mountains, comparing mixed forest, conifer forest, wetland edge, and natural wetland. Natural wetland soils harbored the most distinct bacterial communities, driven primarily by high organic matter, nitrogen, and phosphorus content.
Bacterioplankton Community Structure and Its Relationship with Environmental Factors in the Coastal Waters Around the Changli Gold Coast National Nature Reserve in Northern China
Researchers investigated bacterioplankton community structure in coastal waters around a Chinese nature reserve, finding significant seasonal variability in nutrients and identifying key environmental drivers—including nitrogen, phosphorus, and carbon—of bacterial community composition.
Different Distribution of Core Microbiota in Upper Soil Layer in Two Places of North China Plain
Researchers compared the composition and distribution of core soil microbiota in upper soil layers at two locations on the North China Plain, examining how habitat and dominant plant species shape bacterial community structure relevant to nutrient cycling and carbon storage. The study found meaningful differences in microbial community composition between the two sites, reflecting local environmental influences.
Spatial Variations of Aquatic Bacterial Community Structure and Co-Occurrence Patterns in a Coal Mining Subsidence Lake
Bacterial communities in a coal mining subsidence lake and a connected river were characterized spatially, revealing distinct microbial assemblages at different locations. Mining disturbance altered the lake's physical and chemical conditions, which shaped microbial community structure and species interactions. Understanding these communities is important for assessing the ecological recovery potential of post-mining aquatic environments.
Cascade dams altered taxonomic and functional composition of bacterioplankton community at the regional scale
Researchers used 16S rRNA gene sequencing to investigate how cascade dams alter bacterioplankton community taxonomy and function at the regional scale in the Shaying River Basin, finding that dam-influenced zones created distinct environments with different community structures and interaction strengths compared to natural river sections.
Study on the characteristics of water chemistry evolution in typical alpine karst basins
Researchers analyzed water chemistry evolution in alpine karst groundwater systems, tracing how geological and hydrological processes shape ion concentrations and water quality in these vulnerable freshwater sources.
Linear responses of soil microbiomes, metagenomic and metabolomic functioning across ecosystems along water gradients in the Altai region, northwestern China
Researchers analyzed soil microbial communities, their genetic functions, and metabolic profiles across four ecosystems along a water gradient in the Altai region of China. Microbial diversity and carbon and nitrogen cycling functions increased linearly with soil moisture, demonstrating how hydrology shapes ecosystem-level microbial processes.
Microbial Community in a Wastewater System
Researchers characterized microbial community composition in a wastewater treatment system, examining how treatment stage and operational conditions shape bacterial diversity and functional potential relevant to pollutant degradation.
Spatiotemporal changes of cyanobacterial and heterotrophic bacterial communities during an algal bloom in a subtropical water source reservoir ecosystem of China
Researchers used high-throughput sequencing to track how cyanobacterial and heterotrophic bacterial communities in a Chinese reservoir changed spatially and temporally across distinct algal bloom phases. They found that algal bloom progression drove significant shifts in microbial diversity and community composition, with dominant taxa including Cyanobacteriales and genera such as Acinetobacter and Flavobacterium varying across bloom stages.
Bacterial Community Structure and Its Influencing Factors in Surface Sediments of the Nyang River in the Dry Season, China
Researchers analyzed bacterial community diversity in surface sediments of the Nyang River in Tibet using high-throughput sequencing, finding that climate warming and human activities along this plateau river have measurably shaped microbial composition and structure.
Deciphering the distinct successional patterns and potential roles of abundant and rare microbial taxa of urban riverine plastisphere
Researchers examined how microbial communities colonize microplastics in urban river environments, distinguishing between abundant and rare bacterial species. The study found that rare taxa played critical roles in maintaining community stability on plastic surfaces, while abundant taxa drove community succession, and both groups contributed to nutrient cycling functions.
Uniqueness and Dependence of Bacterial Communities on Microplastics: Comparison with Water, Sediment, and Soil
Researchers compared bacterial communities on microplastics with those in water, sediment, and soil in the Three Gorges Reservoir area, finding that microplastic-associated communities are unique in composition and ecological function compared to surrounding environments.
Rare Bacteria Can Be Used as Ecological Indicators of Grassland Degradation
Researchers used full-length 16S rRNA sequencing to study bacterial communities across degraded grasslands on the Qinghai-Tibet Plateau, finding that rare bacterial taxa were more sensitive to grassland degradation and soil nutrient changes than abundant taxa, and that rare bacteria may serve as reliable ecological indicators of grassland health.
Dispersal Limitation Controlling the Assembly of the Fungal Community in Karst Caves
This is not a microplastics study; it investigates the factors shaping fungal biodiversity in karst caves in southwest China, finding that geographic dispersal limitation — rather than local environmental conditions — is the primary driver of fungal community composition.