Soil metagenome
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA364767 | ENA |
REPOSITORIES: ENA
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Project description:Soil microbial communities from California, USA to study soil gas exchange rates - SR-CA-SC2 metaT metatranscriptome
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Project description:Soil microbial communities from California, USA to study soil gas exchange rates - JR-CA-SND metaT metatranscriptome
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Project description:Soil microbial communities from California, USA to study soil gas exchange rates - SR-CA-SC1 metaT metatranscriptome
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Project description:To study the soil mcirobial functional communities and the nutrient cycles couplings changes after exposure to different contaminant
2020-12-31 | GSE135153 | GEO
Project description:Grasslands soil microbial communities from Angelo Coastal Reserve, California, USA - 15_R_Wat_40_2_8_1 metaT metatranscriptome
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Project description:Grasslands soil microbial communities from Angelo Coastal Reserve, California, USA - 15_R_Wat_40_2_8_2 metaT metatranscriptome
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Project description:Grasslands soil microbial communities from Angelo Coastal Reserve, California, USA - 15_R_Wat_40_2_4_1 metaT metatranscriptome
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Project description:Fire is a crucial event regulating the structure and functioning of many ecosystems. Yet few studies focused on how fire affects both the taxonomic and functional diversity of soil microbial communities, along with plant diversity and soil carbon (C) and nitrogen (N) dynamics. Here, we analyze these effects for a grassland ecosystem 9-months after an experimental fire at the Jasper Ridge Global Change Experiment (JRGCE) site in California, USA. Fire altered soil microbial communities considerably, with community assembly process analysis indicating that environmental selection pressure was higher in burned sites. However, a small subset of highly connected taxa were able to withstand the disturbance. In addition, fire decreased the relative abundances of most genes associated with C degradation and N cycling, implicating a slow-down of microbial processes linked to soil C and N dynamics. In contrast, fire stimulated plant growth, likely enhancing plant-microbe competition for soil inorganic N. To synthesize our findings, we performed structural equation modeling, which showed that plants but not microbial communities were responsible for the significantly higher soil respiration rates in burned sites. In conclusion, fire is well-documented to considerable alter the taxonomic and functional composition of soil microorganisms, along with the ecosystem functioning, thus arousing feedback of ecosystem responses to affect global climate.
2022-02-19 | GSE126737 | GEO
Project description:Grasslands soil microbial communities from the Angelo Coastal Reserve, California, USA - 15_R_Wat_20_2_4_1 metaT metatranscriptome
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