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20 resultsShowing papers similar to Linear responses of soil microbiomes, metagenomic and metabolomic functioning across ecosystems along water gradients in the Altai region, northwestern China
ClearMetagenomics reveals the response of desert steppe microbial communities and carbon-nitrogen cycling functional genes to nitrogen deposition
Researchers used metagenomics to study how nitrogen deposition affects soil microbial communities and carbon-nitrogen cycling in desert steppe ecosystems. The study provides insights into how anthropogenic nitrogen inputs alter microbial functional gene expression, which can influence broader soil ecosystem processes.
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.
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.
Influence of different irrigation methods on the alfalfa rhizosphere soil fungal communities in an arid region
Researchers examined how traditional flood irrigation versus drip irrigation methods affect fungal diversity, community structures, and ecological functions in alfalfa rhizosphere soils in the arid Xinjiang region of China, finding that irrigation method significantly shapes soil fungal communities.
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.
Nitrogen and phosphorus addition affects community assembly and network structure of phyllosphere and rhizosphere microbiomes in the Inner Mongolia steppe
Researchers examined how nitrogen and phosphorus addition altered bacterial and fungal community assembly and network structure in phyllosphere and rhizosphere microbiomes of an Inner Mongolian steppe, finding that nutrient addition decreased diversity, shifted assembly toward deterministic processes for bacteria and stochastic processes for fungi, and increased network complexity while reducing stability.
Anthropogenic land uses shape denitrification-related microbial communities in freshwater river ecosystems
Researchers investigated how anthropogenic land uses (agricultural and urbanized) versus natural land uses shape denitrification-related microbial communities in the Weihe and Hanjiang Rivers in China's Qinling Mountains using deep 16S rRNA gene sequencing of water and sediment samples. Results revealed that land-use type significantly alters the composition and function of nitrogen-cycling microbial communities in freshwater river ecosystems.
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.
Ecological differentiation and assembly processes of abundant and rare bacterial subcommunities in karst groundwater
Researchers examined ecological differentiation between abundant and rare bacterial communities in karst groundwater in southwest China, revealing distinct assembly processes and environmental drivers that maintain ecosystem stability in these vulnerable aquifers.
Root carbon inputs outweigh litter in shaping grassland soil microbiomes and ecosystem multifunctionality
Researchers analyzed 13 years of field data from a semi-arid grassland and found that carbon inputs from plant roots matter more than leaf litter in sustaining soil microbial diversity and overall ecosystem health. Removing plants caused greater microbial and functional declines than removing surface litter, underscoring the hidden importance of below-ground carbon in maintaining healthy soils.
Application of Organic Fertilizer Changes the Rhizosphere Microbial Communities of a Gramineous Grass on Qinghai–Tibet Plateau
Researchers examined how organic fertilizer application altered rhizosphere microbial communities in a gramineous grass, finding significant shifts in bacterial diversity and composition that may influence nutrient cycling and soil health in grassland ecosystems.
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.
Soil metagenomics reveals the effect of nitrogen on soil microbial communities and nitrogen-cycle functional genes in the rhizosphere of Panax ginseng
Researchers studied how different levels of nitrogen fertilizer affect the soil microbial communities around ginseng roots. They found that moderate nitrogen boosted beneficial microbes and improved ginseng yields, while excessive nitrogen decreased soil pH, reduced microbial diversity, and increased disease-causing organisms. The study highlights the importance of balanced fertilizer use for maintaining healthy soil ecosystems in agricultural settings.
Archaeal contribution to carbon-functional composition and abundance in China’s coastal wetlands: Not to be underestimated
Researchers investigated microbial diversity and carbon-functional gene composition across twenty coastal wetlands along China's coast, finding that archaeal rather than bacterial communities dominate carbon-functional gene composition and that Nanoarchaeaeota is the key archaeal phylum driving carbon cycling in anoxic sediments.
Types 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.
Effects of polyethylene microplastics on soil microbial assembly and ecosystem multifunctionality in the remote mountain: Altitude matters
Researchers studied how polyethylene microplastics affect soil microbial communities and ecosystem functions at different altitudes on Changbai Mountain in China. They found that the effects of microplastics varied significantly with altitude, enhancing bacterial diversity in some zones while disrupting key nutrient cycling processes in others. The study demonstrates that even remote mountain ecosystems are not immune to the ecological impacts of microplastic contamination.
Soil microbial community composition and nitrogen enrichment responses to the operation of electric power substation
Researchers collected soil samples from seven sites at varying distances from an electric power substation in southeastern China and used metagenomic sequencing to characterize microbial diversity and nitrogen cycling processes. They found that proximity to the substation reduced nitrogen fixation capacity and increased nitrification, with soil moisture, pH, and electrical conductivity identified as key determinants of community composition.
Soil horizons regulate bacterial community structure and functions in Dabie Mountain of the East China
This paper is not relevant to microplastics research — it examines how soil horizon depth influences bacterial community structure and nutrient cycling functions in mountain forest soils.
Soil metabolomics: Deciphering underground metabolic webs in terrestrial ecosystems
Researchers reviewed how studying the chemical building blocks (metabolites) in soil can reveal how nutrients cycle through ecosystems and how soil health responds to pollution and climate stress. This approach helps scientists better understand the invisible underground networks that keep soils fertile and functioning.
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.