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| http://dx.doi.org/10.1093/omcr/omw047 | DOI Listing |
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Assessment of N-related microbial processes in the soil of the Polesie National Park and adjacent areas, including reclaimed land.
J Environ Manage
January 2025
Department of Zoology and Animal Ecology, University of Life Sciences in Lublin, Akademicka 13, 20-950, Lublin, Poland.
Soil microorganisms are essential for maintaining ecosystem functionality, particularly through their role in the nitrogen (N) biogeochemical cycle. Thus, they also contribute to greenhouse gas emissions from soils. Microorganisms are sensitive indicators of soil health, as they respond rapidly to disturbances caused by factors like unsustainable agricultural practices or industrial activities, such as mining.
View Article and Find Full Text PDFCombining the N Gas Flux Method and NO Isotopocule Data for the Determination of Soil Microbial NO Sources.
Rapid Commun Mass Spectrom
March 2025
School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK.
Rationale: The analysis of natural abundance isotopes in biogenic NO molecules provides valuable insights into the nature of their precursors and their role in biogeochemical cycles. However, current methodologies (for example, the isotopocule map approach) face limitations, as they only enable the estimation of combined contributions from multiple processes at once rather than discriminating individual sources. This study aimed to overcome this challenge by developing a novel methodology for the partitioning of NO sources in soil, combining natural abundance isotopes and the use of a N tracer (N Gas Flux method) in parallel incubations.
View Article and Find Full Text PDFTemporal dynamics of soil microbial C and N cycles with GHG fluxes in the transition from tropical peatland forest to oil palm plantation.
Appl Environ Microbiol
December 2024
Sarawak Tropical Peat Research Institute, Kota Samarahan, Sarawak, Malaysia.
Tropical peatlands significantly influence local and global carbon and nitrogen cycles, yet they face growing pressure from anthropogenic activities. Land use changes, such as peatland forests conversion to oil palm plantations, affect the soil microbiome and greenhouse gas (GHG) emissions. However, the temporal dynamics of microbial community changes and their role as GHG indicators are not well understood.
View Article and Find Full Text PDFFrom data to insights: Upscaling riverine GHG fluxes in Germany with machine learning.
Sci Total Environ
December 2024
Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Atmospheric Environmental Research (IMK-IFU), Kreuzeckbahnstrasse 19, Garmisch-Partenkirchen 82467, Germany.
Global fluvial ecosystems are important sources of greenhouse gases (CO, CH and NO) to the atmosphere, but their estimates are plagued by uncertainties due to unaccounted spatio-temporal variabilities in the fluxes. In this study, we tested the potential of modeling these variabilities using several machine learning models (ML) and three different input datasets (remotely sensed vegetation indices, in-situ water quality, and a combination of both) from 20 headwater catchments in Germany that differ in catchment land use and stream size. We also upscaled fluvial GHG fluxes for Germany using the best ML model and explored the role of catchment land use on the GHG spatial-temporal trends.
View Article and Find Full Text PDFMicrobial community and functional shifts across agricultural and urban landscapes within a Lake Erie watershed.
J Environ Manage
December 2024
Great Lakes Institute of Environmental Research, University of Windsor, Windsor, Ontario, N9B 3P4, Canada. Electronic address:
The role of sediment microbial communities in regulating the loss and retention of nutrients in aquatic ecosystems has been increasingly recognised. However, in the Great Lakes, where nutrient mitigation focuses on harmful algal blooms, there are limited studies examining the fundamental role of water/sediment microbes in nutrient biogeochemical cycling. Little is understood in this regard considering the increase in anthropogenic pressure on in-stream biological processes impacting nutrient flux to lakes.
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