• Carbon mineralization and microbial biomass C were not different between soils from healthy and killed plots. (uri.edu)
  • In the present study we broaden our understanding of this phenomenon by studying the seasonality of responses of specific microbial functional groups to chronic nitrogen additions in alpine tundra soils. (mpg.de)
  • Biomass of the dominant microbial functional groups recovered in fertilized soils during the winter and nitrogen storage in microbial biomass was higher in fertilized soils in the autumn and winter than in the summer. (mpg.de)
  • One large microbial group that did not recover in the winter in fertilized soils was phenol mineralizers, possibly indicating selection against microbes with enzyme systems for the breakdown of phenolic compounds and complex soil organic matter. (mpg.de)
  • This sheds light on the link between legacy effects of reactive nitrogen on microbial communities and altered regulation of N2O emissions.The global surplus of reactive nitrogen (N-r) in agricultural soils is accelerating nitrous oxide (N2O) emission rates, and may also strongly influence the microbial controls of this greenhouse gas resulting in positive feedbacks that further exacerbate N2O emissions. (slu.se)
  • Our results provide a link between the microbial legacy of N-r addition and increased N2O emissions by demonstrating that biological controls of N2O emissions were more important in unfertilized soils and that these controls are weakened by increasing resource levels in soil. (slu.se)
  • The inefficient use of nitrogen fertilizer in agricultural soils results in the loss of N through nitrate leaching or emission of the greenhouse gas N2O, contributing to climate change, ozone depletion and major economic losses. (isme-microbes.org)
  • Microbial biomass , organic matter decay and nitrogen in soils from long-term experimental grassland plots (Palace Leas meadow hay plots, UK). (hw.ac.uk)
  • Our results imply that bacterial communities may be more sensitive than fungi to intense pulses of nitrogen in sandy soils. (montclair.edu)
  • Quantities of plant nutrients in the microbial biomass of selected soils. (chinaagrisci.com)
  • We investigated the soil bacterial diversity, communities, and nitrogen (N) functional genes with different disturbance intensity levels from crop, transition, to forest soils at three locations in the coastal region of Georgia, USA. (authorea.com)
  • The results showed that microbial biomass was P-limited in soils subject to conventional farming and to organic farming with alfalfa green manure. (copernicus.org)
  • Therefore, microbial growth and functioning for N transforming and cycling in metal contaminated soils could be largely improved with BSA at 40 t ha-1. (edu.au)
  • Nitrogen (N) deposition has enhanced carbon (C) storage in temperate forest soils. (energy.gov)
  • Carbon (C) and nitrogen (N) fluxes are largely controlled by the small but highly bio-reactive, labile pools of these elements in terrestrial soils, while long-term C and N storage is determined by the long-lived recalcitrant fractions. (nau.edu)
  • The impacts of microplastics on sedimentary microbial ecosystems and biogeochemical carbon and nitrogen cycles, however, have not been well reported. (wm.edu)
  • Trends in plant and soil microbial diversity associated with Mediterranean extensive cereal-fallow rotation agro-ecosystems. (chinaagrisci.com)
  • She completed her PhD at the University of Bristol in 2020, where she focused on using compound-specific 15N-stable isotope probing to elucidate microbial N cycling in grazed ecosystems. (bristol.ac.uk)
  • Because it can be applied to environmental samples, the approach we present is broadly applicable to measuring population growth, mortality, and associated biogeochemical process rates of microbial taxa for a wide range of ecosystems and can help reveal how individual microbial populations drive biogeochemical fluxes. (osti.gov)
  • Her work on nitrogen biogeochemistry, mountain ecosystems, and adaptation to and effects of climate change is internationally recognized as innovative, groundbreaking, and authoritative. (usgs.gov)
  • The goal of this biocomplexity research project is to investigate the functional relationship between complexity in microbial communities and the biogeochemical cycles of natural ecosystems. (carleton.edu)
  • Nitrogen (N) is a fundamental element for life, and limiting in many terrestrial ecosystems. (avhandlingar.se)
  • Microorganisms in forest ecosystems normally recycle nitrogen (N), such that gaseous losses and leaching are limited. (avhandlingar.se)
  • Nitrogen (N) and phosphorus (P) eutrophication in marine ecosystems is a global problem. (intechopen.com)
  • This variability could be the result of microbial uptake and production within the melting snow pack. (frontiersin.org)
  • In vitro determination of ruminal protein degradability using [15N]ammonia to correct for microbial nitrogen uptake. (psu.edu)
  • An in vitro procedure was developed to estimate rate and extent of ruminal protein degradation using [15N]H3 to quantify uptake of protein degradation products for microbial protein synthesis. (psu.edu)
  • Investigating biotic uptake of riverine organic nitrogen using a compound-specific stable-isotope probing approach. (bristol.ac.uk)
  • However, little is known about how microbial nitrogen (N) transformation in the rhizosphere affects the uptake and accumulation of antibiotics in plants . (bvsalud.org)
  • The five processes in the nitrogen cycle - fixation, uptake, mineralization, nitrification, and denitrification - are all driven by microorganisms. (visionlearning.com)
  • Using a (15)N tracer, we quantify differences in nitrogen uptake and allocation in communities with and without Microstegium vimineum, a shade-tolerant, C(4) grass that is rapidly invading the understories of eastern US deciduous forests. (who.int)
  • Plant nitrogen uptake was higher in invaded communities due primarily to the increase in understory biomass when M. vimineum was present, but for the microbial biomass, nitrogen uptake did not vary with invasion status. (who.int)
  • By contrast, ammonium (NH 4 + ) (0-∼ 4 µM) and dissolved organic nitrogen (DON) (0-∼ 3 µM) concentrations were more variable, and sometimes higher than the average snow pack concentrations of 1.0 and 0.4 µM, respectively. (frontiersin.org)
  • Denitrifying bioreactors, simple treatment systems consisting of a container filled with a particulate organic carbon source, are an effective and low-cost technology for the effective removal of nitrogen (N) from water by enhancing denitrification (i.e. the bacterial conversion of nitrate [NO3-] to N gas). (waikato.ac.nz)
  • These results indicate that nitrogen cycling processes in sediments can be significantly affected by different microplastics, which may serve as organic carbon substrates for microbial communities. (wm.edu)
  • In this study we assessed the C : N : P ratios in soil and soil microbial biomass subject to conventional farming and three different organic farming practices. (copernicus.org)
  • Organic farming with compost amendment showed the best results in terms of microbial biomass carbon, nitrogen and phosphorus (CNP). (copernicus.org)
  • Our results suggest that increased soil labile and microbial C and N fractions likely resulted indirectly from warming increases in plant biomass input, which may be larger than warming-enhanced decomposition of labile organic compounds. (nau.edu)
  • Mobilization of organic N, including microbial N, and immobilization of inorganic N, especially NH4+, are the quantitatively most important N transformation processes. (avhandlingar.se)
  • Nitrogen gas in the atmosphere is basically unusable by most of biology - plants and animals - but there are a few species of microbes in conjunction with plants that can convert the dinitrogen gas into usable forms of nitrogen like ammonium, and then that will turn into organic nitrogen or nitrate, and that can then enter the biological system. (sciencelearn.org.nz)
  • Considering little is known about the microbes (the ammonia producers) in these acidified poultry litter systems, laboratory incubations were performed to determine (1) the differential effect of commonly-used acidifiers (Al+Clear®, PLT®, Poultry Guard®) on microbial populations and (2) how acidification specifically affects the microbial populations responsible for organic N mineralization, and subsequent ammonia production. (usda.gov)
  • These delays in organic N mineralization directly correlated with shifts from bacterially-dominated (under normal, non-acidified conditions) to fungally-dominated microbial communities. (usda.gov)
  • Nitrogen is an incredibly versatile element , existing in both inorganic and organic forms as well as many different oxidation states . (visionlearning.com)
  • Saprophytic molds and bacteria are composters of organic material and are essential actors in the carbon and nitrogen cycles. (cdc.gov)
  • Nitrogen-rich dissolved organic matter (DOM) inputs from effluents increased bacterial production and decreased primary production and community respiration. (lu.se)
  • Reorganization of ecosystem structure through wildfire burning strengthened climatic control over soil microbial community structure and nutrient cycling, with warmer regions experiencing enhanced nutrient mobilization under oligotrophic processing of remaining burnt organic soil. (lu.se)
  • The addition of robust nitrogen-fixing microbials uses the natural soil-plant process of nitrogen fixation, reducing the reliance on synthetic forms of nitrogen while still meeting the nutrient needs of the crop for its growth and development. (worldfertilizer.com)
  • Aside from carbon fixation, microorganisms' key collective metabolic processes (including nitrogen fixation, methane metabolism, and sulfur metabolism) control global biogeochemical cycling. (wikipedia.org)
  • Microbial ecology (or environmental microbiology) is the ecology of microorganisms: their relationship with one another and with their environment. (wikipedia.org)
  • Sergei Winogradsky was one of the first researchers to attempt to understand microorganisms outside of the medical context-making him among the first students of microbial ecology and environmental microbiology-discovering chemosynthesis, and developing the Winogradsky column in the process. (wikipedia.org)
  • 644 Beijerinck and Windogradsky, however, were focused on the physiology of microorganisms, not the microbial habitat or their ecological interactions. (wikipedia.org)
  • Initially based on sequences from the 16S rRNA gene, this revolution made it possible to identify microorganisms without first cultivating them, to discover and characterize the immense previously unsuspected diversity of the microbial world, and to reconstruct the evolutionary relationships among microbes. (princeton.edu)
  • Removal of microbial contaminants from wastewater is a key factor in wastewater treatment, since the contamination of receiving waters with inadequately treated wastewater can contribute to the transmission of infectious disease caused by waterborne pathogenic microorganisms. (waikato.ac.nz)
  • Red arrows indicate processes in which microorganisms participate in the transformation of nitrogen. (visionlearning.com)
  • Microorganisms, particularly bacteria , play major roles in all of the principal nitrogen transformations. (visionlearning.com)
  • Because these processes are microbially mediated, or controlled by microorganisms, these nitrogen transformations tend to occur faster than geological processes like plate motion, a very slow, purely physical process that is a part of the carbon cycle. (visionlearning.com)
  • Van Leeuwenhoek, using his simple microscopes, first observed microorganisms on tooth surfaces and can be credited with the discovery of microbial biofilms. (cdc.gov)
  • However, select occupational environments present unique exposure concerns due to the nature of the microorganisms encountered, the microbial concentrations observed, and the susceptibility of the exposed population. (cdc.gov)
  • Experience in molecular microbial ecology and in nitrification research would be highly beneficial, and in conducting plant-soil microcosm experiments. (isme-microbes.org)
  • Modern microbial ecology was launched by Robert Hungate and coworkers, who investigated the rumen ecosystem. (wikipedia.org)
  • Progress in microbial ecology has been tied to development of new technologies. (wikipedia.org)
  • A revolution in microbial ecology has occurred in the past 15-20 years with the advent of rapid methods for discovering and sequencing the genes of uncultivated microbes from natural environments. (princeton.edu)
  • Questions raised by the molecular revolution, which are now the focus of microbial ecology research, include the significance of microbial diversity and redundancy to biogeochemical processes and ecosystem function. (princeton.edu)
  • Introduction to microbial ecology. (lu.se)
  • You will primarily work with Dr. Dimitrios Floudas and Dr. François Maillard in the Microbial Ecology group . (lu.se)
  • We measured soil enzyme activities, mineralization kinetics for 8 substrates, biomass of 8 microbial functional groups, and changes in N and carbon pools in the soil. (mpg.de)
  • Microbial life plays a primary role in regulating biogeochemical systems in virtually all of our planet's environments, including some of the most extreme, from frozen environments and acidic lakes, to hydrothermal vents at the bottom of deepest oceans, and some of the most familiar, such as the human small intestine, nose, and mouth. (wikipedia.org)
  • Our approach allowed us to compare the ability of the soil microbial biomass to utilize various substrates in addition to allowing us to estimate changes in biomass of microbial functional groups that are involved in carbon and nitrogen cycling. (mpg.de)
  • Evidence suggests that energy-depleted, diffusion-dominated subseafloor environments in many cases have lower microbial temperature maxima (60-80 °C) 4 , 5 than environments with advective supplies of external microbial energy substrates. (nature.com)
  • Briones, A. & Raskin, L. Diversity and dynamics of microbial communities in engineered environments and their implications for process stability. (nature.com)
  • This has provided tremendous insights into the diversity present within microbial habitats. (wikipedia.org)
  • Subsequent focus on functional genes, those that encode enzymes that catalyze biogeochemical transformations, and current work on larger DNA fragments and entire genomes make it possible to link microbial diversity to ecosystem function. (princeton.edu)
  • Soil microbial diversity and community are determined by anthropogenic activities and environmental conditions, which greatly affect the functioning of ecosystem. (authorea.com)
  • In summary, mixed planting treatment was more helpful to improve soil enzyme activity, microbial biomass, and enrich soil microbial diversity, which was of great significance to maintain the balance of soil ecosystem. (bioone.org)
  • For example, inherent differences in nitrogen metabolism of plant- and insect-associated microbiomes may dictate whether neonicotinoid-based insecticides ultimately exert antimicrobial activities or not. (researchgate.net)
  • Microbial flora in our gastrointestinal tract aid metabolism, and help protect us from pathogens. (cdc.gov)
  • Specifically, because the chitin degradation product represents a carbon and a nitrogen source for fungi, complex regulatory mechanisms involving both nitrogen metabolism repression (NMR) and carbon catabolite repression (CCR) might be engaged. (lu.se)
  • Overall, this work is a step towards understanding how chronic N additions affect the structure and biogeochemical functioning of soil microbial communities. (mpg.de)
  • Molecular biological technologies are used in the research with a view to attaining a better understanding of the variety, structure and function of microbial marine communities. (mpg.de)
  • Yet, the link between legacy effects of N-r on microbial communities and altered regulation of N2O emissions is unclear. (slu.se)
  • Microbial communities tend to increase acquisition and use efficiency of the scarcest element to cope with imbalanced element supply and requirements. (springeropen.com)
  • Microbial communities play a pivotal role in soil nutrient cycling, which is affected by nitrogen loading on soil fungi and particularly mycorrhizal fungi. (montclair.edu)
  • Microplastics affect sedimentary microbial communities and nitrogen cy" by Meredith E. Seeley, BK Song et al. (wm.edu)
  • To evaluate if microplastics influence the composition and function of sedimentary microbial communities, we conducted a microcosm experiment using salt marsh sediment amended with polyethylene (PE), polyvinyl chloride(PVC), polyurethane foam (PUF) or polylactic acid (PLA) microplastics. (wm.edu)
  • The changes within two years following BSA were tested in microbial biomass and respiration, and in abundance of N transforming microbial communities and their activities. (edu.au)
  • Moreover, microbial communities were less respondent to biochar in the second year following the addition. (edu.au)
  • Here we analyze how temperature-energy interactions structure sediment microbial communities in two hydrothermally active areas of Guaymas Basin. (nature.com)
  • Our results suggest that in hydrothermal sediments temperature determines domain-level dominance, whereas temperature-energy interactions structure microbial communities at the phylum-level and below. (nature.com)
  • We further investigate if plants or the microbial biomass exhibit preferences for certain nitrogen forms (glycine, nitrate, and ammonium) to gain insight into nitrogen partitioning in invaded communities. (who.int)
  • We measured microbial community response by monitoring: bacterial and fungal biomass using substrate induced respiration, and several indicators of community composition, including colony and ectomycorrhizal morphotyping and molecular profiling using terminal restriction fragment length polymorphism (TRFLP). (montclair.edu)
  • Bacterial colony type richness responded differently to nitrogen treatment in the different sites, but ectomycorrhizal morphotype richness was not affected by nitrogen or location. (montclair.edu)
  • Bacterial biomass responded to nitrogen addition, but only in FL. (montclair.edu)
  • The composition of the bacterial community differed between nitrogen treatments and experimental sites, while the composition of the fungal community did not. (montclair.edu)
  • Unique uses of the microbial community include the application of bacterial species in the decontamination of hazardous substances (i.e., oil spills in the ocean) and as an insecticide (i.e. (cdc.gov)
  • Increases in bacterial production and simultaneous decreases of primary production lead to more carbon being consumed in the microbial loop, and may shift the ecosystem towards heterotrophy. (lu.se)
  • The stability of nitrogen within a turf-soil ecosystem is important both for efficient turf management and preventing the contamination of ground water by nitrate. (uri.edu)
  • Overall, our data show that Eckernförde Bay represents a complex ecosystem where numerous environmental variables combine to influence benthic microbial activities involving N and sulfur cycling. (copernicus.org)
  • However, the inability to measure population-specific rates, such as growth, for microbial taxa within natural assemblages has limited ecologists' understanding of how microbial populations interact to regulate ecosystem processes. (osti.gov)
  • The conversion of nitrogen gas into biologically available forms of nitrogen is critical for the functioning of the ecosystem. (sciencelearn.org.nz)
  • Therefore, SRB may supply fixed N to these systems, countering some of the N lost via microbial processes, such as denitrification and anaerobic ammonium oxidation. (copernicus.org)
  • These approaches have yielded insights into the regulation of microbial activity and proof of the microbial role in biogeochemical processes previously unknown. (princeton.edu)
  • Lab experiments using a 15N isotope-pairing technique were also performed to partition production of N2 to these different microbial processes. (waikato.ac.nz)
  • We report that the presence of microplastics alters sediment microbial community composition and nitrogen cycling processes. (wm.edu)
  • Processes within the nitrogen cycle convert nitrogen from the atmosphere into a form that plants and animals can use. (visionlearning.com)
  • The nitrogen cycle is the set of biogeochemical processes by which nitrogen undergoes chemical reactions, changes form, and moves through difference reservoirs on Earth, including living organisms. (visionlearning.com)
  • Similar to the carbon cycle, the nitrogen cycle consists of various reservoirs of nitrogen and processes by which those reservoirs exchange nitrogen (note the arrows in the figure). (visionlearning.com)
  • And green arrows indicate natural processes affecting the form and fate of nitrogen that do not involve microbes. (visionlearning.com)
  • Processes within the nitrogen cycle progress at a _______ rate than geological processes like plate motion. (visionlearning.com)
  • Abstract Soil microbial biomass nitrogen (MBN) contains the largest proportion of biologically active nitrogen (N) in soil, and is considered as a crucial participant in soil N cycling. (chinaagrisci.com)
  • Lightning storms are important for converting nitrogen gas in the atmosphere through to forms that are biologically available. (sciencelearn.org.nz)
  • So if that material goes up into the atmosphere, it can be rained out again and deposited on the land as a form of biologically available nitrogen. (sciencelearn.org.nz)
  • The objectives of this research were: (1) to assess how well denitrifying bioreactors can remove microbial contaminant loads from wastewater and (2) to assess the potential role of alternative N removal pathways, namely anaerobic ammonium oxidation (anammox) and codenitrification for N removal in denitrifying bioreactors. (waikato.ac.nz)
  • The Max Planck Institute for Marine Microbiology researches marine bacteria that transform carbon, nitrogen, sulphur and iron compounds, thus playing crucial roles in the global material cycle. (mpg.de)
  • Particular attention is focused on bacteria which, for example, regulate the global nitrogen cycle in the low oxygen milieu. (mpg.de)
  • In this experiment, we evaluated the effects of allochthonous nitrogen addition on soil bacteria and fungi in two geographically distinct but structurally similar scrub oak forests, one in Florida (FL) and one in New Jersey (NJ). (montclair.edu)
  • A Nitrogen-Loving Bacteria Your Plants Will Love. (arbico-organics.com)
  • It contains a proprietary strain of a beneficial bacteria ( Paenibacillus polymyxa strain P2b-2R) that will colonize the root zone and can fixate nitrogen. (arbico-organics.com)
  • Ammonium, for example, will volatilise up into the atmosphere, fossil fuel burning will release nitrogen into the atmosphere and lightning will convert dinitrogen gas in the atmosphere to water-soluble forms of nitrogen. (sciencelearn.org.nz)
  • It has been suggested that the fate of these sinks hinges on plant‑microbe interactions in the rhizosphere, where plants provide C as an energy subsidy to fuel microbes to convert nutrients to plant-available forms via a microbial priming effect. (mdpi.com)
  • The objective of this study was to quantify responses of the microbial community and the mobility of soil nitrogen following the sudden death of established turf. (uri.edu)
  • Metagenomic analysis was highly sensitive in detecting the microbial community response to gold nanospheres and nanorods with either cetyltrimethylammonium bromide or polyacrylic acid surface coatings. (nature.com)
  • We observed that the gold-nanoparticle morphology imposes a stronger force in shaping the microbial community structure than does the surface coating. (nature.com)
  • Fig. 2: Taxonomic shifts in the SBR microbial community structure throughout the nanoparticle-dosing period. (nature.com)
  • Here we examine the importance of temperature and energy supply (defined as available power) in controlling the microbial abundance and community structure in hydrothermal sediment from two locations in Guaymas Basin, central Gulf of California. (nature.com)
  • This is because the strong triple bond between the N atoms in N 2 molecules makes it relatively inert , or unreactive, whereas organisms need reactive nitrogen to be able to incorporate it into cells . (visionlearning.com)
  • Microbial contaminant removal and alternative nitrogen removal pathways in denitrifying bioreactors (Thesis, Doctor of Philosophy (PhD)). The University of Waikato, Hamilton, New Zealand. (waikato.ac.nz)
  • We evaluate whether an invasive plant influences plant and soil-microbe acquisition of nitrogen to elucidate the mechanistic pathways by which invaders might alter N availability. (who.int)
  • Come join us in Lyon, France to research microbial interactions in the nitrogen cycle for mitigating nitrous oxide emissions from agroecosystems. (isme-microbes.org)
  • A postdoctoral research position in soil microbial interactions is available at École Centrale de Lyon, University of Lyon, France. (isme-microbes.org)
  • The overall theme of the project is to determine the importance of arbuscular mycorrhizal fungi (AMF) interactions in the nitrogen cycle for mitigating nitrous oxide (N2O) emissions from agroecosystems. (isme-microbes.org)
  • For all measured pools, only labile and microbial biomass C fractions showed significant interactions between warming and clipping, indicating the dependence of the warming effects on clipping. (nau.edu)
  • More recently, the metabolic systems of specific microbial populations have been used to produce pharmacologically important products (e.g., penicillin and citric acid), food products (e.g., amylase), and a number of other chemical 330 Modem Industrial Hygiene agents. (cdc.gov)
  • To make sure that you get good crop yields or grass yields, you need to make sure that you've got enough nitrogen for them to be able to build their proteins and the enzymes that they need. (sciencelearn.org.nz)
  • Nitrogen (N) is an essential component of DNA , RNA , and proteins , the building blocks of life. (visionlearning.com)
  • I am also interested in the specific proteins, pathogesis-related proteins, expressed by plants as a response to microbial colonizations or attacks. (lu.se)
  • When you burn the fossil fuel , either say coal or oil, you are essentially releasing that nitrogen back up into the atmosphere - not necessarily as dinitrogen gas but maybe other forms of nitrogen that are more available to plants and animals. (sciencelearn.org.nz)
  • The degradation product of chitin, the N-acetylglucosamine, is assimilated by the fungi, both as carbon and nitrogen source. (lu.se)
  • Relationships between plants and nitrogen-related microbes may vary with plant growth. (helsinki.fi)
  • It is estimated that about 40% of the world's population is fed by food that is grown using nitrogen that has been brought in either as fertiliser or through the deliberate cultivation of plant crops that are able to fix nitrogen out of the atmosphere. (sciencelearn.org.nz)
  • The benefits of this specific microbe go beyond colonization, as it can also sequester nitrogen from the atmosphere and transfer it to the plant. (arbico-organics.com)
  • By applying this model to phylogenetic marker sequencing data collected from stable-isotope probing studies, we estimate rates of growth, mortality, and turnover for individual microbial populations within soil assemblages. (osti.gov)
  • Turnover of carbon and nitrogen. (lu.se)
  • Those with experience in soil nitrogen cycling, nitrifiers and/or mycorrhizal fungi are particularly encouraged to apply. (isme-microbes.org)
  • Specifically, the student will use different combinations of carbon and nitrogen sources to determine their effects on the amount and type of chitinases secreted by the fungi in the extracellular medium. (lu.se)
  • This project aims to identify how different carbon and nitrogen sources regulate fungal chitinolytic activities. (lu.se)
  • Today Mosaic announced an agreement with BioConsortia, Inc. to collaborate to develop and launch nitrogen-fixing microbial products to increase yields on corn, wheat and other major non-legume row crops. (mosaicco.com)
  • So without a good supply of nitrogen, it is hard to get large yields or grow the amount of food that you need. (sciencelearn.org.nz)
  • These microbial actions will give your plants the tools they need to grow strong and healthy with exceptional yields. (arbico-organics.com)
  • The absence of NH 4 + in the snowmelt traversing the snow-ice interface may also point to microbial activity occurring at this boundary layer. (frontiersin.org)
  • Based on these advantages, the as-prepared MDC800AM exhibits enhanced microbial electrocatalytic activity and stability such as to outperform its counterpart made up of solid carbon fibers. (ntu.edu.sg)
  • This work not only provides a monolithic electrode manifesting greatly accelerated activity toward microbial electrocatalysis, but also a proof-of-concept demonstration of boosting the microbial fuel cell (MFC) performance via localized high ES concentration. (ntu.edu.sg)
  • Previous studies have shown that fertilization with nitrogen depresses overall microbial biomass and activity in soil. (mpg.de)
  • Overall microbial activity and biomass was reduced in fertilized plots, whereas pools of N in the soil and microbial biomass N were higher in fertilized plots. (mpg.de)
  • While metal immobilization had been increasingly reported with biochar soil amendment (BSA), changes in microbial activity and nitrogen (N) transformation in metal contaminated croplands following biochar addition had been insufficiently addressed. (edu.au)
  • The results showed that the urease activity and microbial biomass nitrogen content of mixed planting were higher than other treatments. (bioone.org)
  • Instead, rates are affected by environmental factors that influence microbial activity, such as temperature, moisture, and resource availability. (visionlearning.com)
  • These electrodes have a spatial resolution of 50-100 μm, and have allowed analysis of spatial and temporal biogeochemical dynamics in microbial mats and sediments. (wikipedia.org)