Fungal/bacterial interactions during the .
Contradicting the common belief that microbial enrichment in liquid cultures tends to select for bacteria while filamentous fungi are prone to the colonization of solid state-like fermentation systems (Prenafeta-Boldú et al., 2001), the F/B ratio from the biofilter inoculum was significantly higher than that of the original packing; though, the overall microbial gene content in the former was ...Get Price
Microbial behavior and characteristics of .
Particulates were more responsible for ultrafiltration membrane fouling in the stationary phase of microbial growth, but soluble materials were more accountable in the death phase of microbial growth. Statistical analysis indicated biomass with lower activity could experience higher fouling potential during ultrafiltration of biomass.Get Price
Responses of soil microbial communities to .
Responses of soil microbial communities to water ... Albert C. Brangarí, Stefano Manzoni, Johannes Rousk, A soil microbial model to analyze decoupled microbial growth and respiration during soil ... Sonoko Dorothea Bellingrath-Kimura, Influence of organic inputs with mineral fertilizer on maize yield and soil microbial biomass ...Get Price
Microbial Community Profiles in Wastewaters .
The aim of the study was to determine the potential of community-level physiological profiles (CLPPs) methodology as an assay for characterization of the metabolic diversity of wastewater samples and to link the metabolic diversity patterns to efficiency of select onsite biological wastewater facilities. Metabolic fingerprints obtained from the selected samples were used to understand ...Get Price
Microbial biomass and nutrient dynamics during ...
To understand microbial turnover during litter decomposition, a pot experiment with litter of cover crop monocultures and mixtures will be used. During decomposition, the microbial biomass, GHG emissions and nutrient content will be measured over time.Get Price
Microbial biomass governs enzyme activity .
Microbial biomass governs enzyme activity decay during aging of worm-worked substrates through vermicomposting. Coronavirus: ... 45, and 60 d analyzing microbial biomass and activity (assessed as microbial biomass N and basal respiration respectively) and four enzymatic activities (beta-glucosidase, cellulase, protease, and alkaline phosphatase).Get Price
CSIRO PUBLISHING | Soil Research
Drying and rewetting (DRW) events are very common in arable land. However, it is not clear how the frequency of DRW stress history influences soil carbon (C) and phosphorus (P) dynamics under field conditions. In this study, an arable loam calcareous soil was treated with simulated farming practices that included wheat straw and nitrogen incorporation and three DRW cycles at intervals of 14 ...Get Price
Microbial community characterization, activity .
The activity of dehydrogenase gradually increased during the first 30 days and then reached a plateau. The functional diversity of the microbial community in the filter increased, and then reached a relatively stable level by day 40.Get Price
Microbial Dynamics of Biosand Filters and .
Biosand filtration systems are widely used for drinking water treatment, from -level, intermittently operated filters to large-scale continuous municipal systems. While it is well-established that microbial activity within the filter is essential for the removal of potential pathogens and other contaminants, the microbial ecology of these systems and how microbial succession relates ...Get Price
Microbial Structure and Functions of Biofilm During ...
The microbial structure of biofilm and suspended biomass was investigated by the quantity of anaerobic heterotrophs, anaerobic spore-forming microorganisms and denitrifying bacteria. The total dehydrogenase activity and the nitrate reductase activity were used as indicators for biomass activity.Get Price
Microbial Biomass Governs Enzyme Activity .
Microbial Biomass Governs Enzyme Activity Decay during Aging of Worm‐Worked Substrates through Vermicomposting. Manuel Aira. ... We incubated 16‐wk‐old vermicompost and sampled it after 15, 30, 45, and 60 d analyzing microbial biomass and activity (assessed as microbial biomass N and basal respiration respectively) and four ...Get Price
Organic farming enhances soil microbial .
Population growth and climate change challenge our food and farming systems and provide arguments for an increased intensification of agriculture. A promising option is eco-functional intensification through organic farming, an approach based on using and enhancing internal natural resources and processes to secure and improve agricultural productivity, while minimizing negative environmental ...Get Price
Functional diversity changes of microbial .
Using BIOLOG Eco plates, the metabolic activities of the soil-attached microbial community were studied during SAT. AWCD, as a measure of total microbial metabolic activity, generally followed similar patterns with incubation time (Fig. 0003). Clearly, a higher AWCD value was detected in sample S1 than in the other three soil samples.Get Price
Microbial biomass and activity in litter during .
All properties were correlated with litter C, N, P, lignin and polyphenols, and with soil C and N. We found higher microbial activity (CO2 evolution) in litter than in soil. In the E. grandis monoculture before senescent leaf drop, microbial biomass C was 46 % higher in litter than in soil. After leaf drop, this difference decreased to 16 %.Get Price
Microbial Community in a Biofilter for Removal .
To improve biofilter performance, the microbial community of a biofilter must be clearly defined. In this study, the performance of a lab-scale polyurethane biofilter for treating waste gas with low loads of nitrobenzene (NB) (< 20 g m-3 h-1) was investigated when using different empty bed residence times (EBRT) (64, 55.4 and 34 s, respectively).Get Price
Predation-mediated shifts in size distribution of ...
Autor: Jürgens, Klaus et al.; Genre: Zeitschriftenartikel; Im Druck veröffentlicht: 2000-10; Titel: Predation-mediated shifts in size distribution of microbial biomass and activity during detritus decomposition.Get Price
Microbial biomass activity in neotropical savanna soils ...
Microbial biomass activity in neotropical savanna soils managed during six years with conservationist cereal-cattle systems Rosa Mary Hernández-Hernández A, Ignacio Castro, Zenaida Lozano B, Carlos Bravo A, Isabel González A AUniversidad Simón Rodríguez, IDECYT, CEDAT, Caracas, Venezuela, Email [email protected]Get Price
Spatial heterogeneity in degradation .
However, the microbial diversity increases over time in all biofilters and on all biofilter depths, suggesting that during the time of the experiment, the biofilters develop a broad carrying capacity in which a genetically very diverse range of chloropropham‐ and 3‐chloroaniline‐degrading species can .Get Price
Long-term gravel–sand mulch affects soil .
The use of gravel–sand mulch is a traditional water-conservation technique in the semi-arid Loess Plateau of North-western China. In this study, we investigated the 16-year effects of this mulch on soil physicochemical properties (total organic C, N and P; bulk density; Ca, Cu, Fe, Mg, Mn and Zn; soil texture; pH), microbial biomass C, N and P and enzymatic activities (peroxidase ...Get Price
Distribution of bacterial biomass and activity in the ...
with 16S rRNA eubacterial-specific oligonucleotide probes to determine the physiological status of individual microbial cells. Bacterial abundance and metabolic activity were measured in near-surface waters and with depth at stations in the central Barents Sea during a cruise in June/July 1999.Get Price
Biomass & Bioenergy - Journal - Elsevier
Biomass & Bioenergy is an international journal publishing original research papers and short communications, review articles and case studies on biological resources, chemical and biological processes, and biomass products for new renewable sources of energy and materials.Get Price
Microbial contamination in methanol biofilters .
The microbial analysis of biomass samples taken from different heights (18, 36, and 54 cm from inlet) at the end of every stage of operation confirmed that the biofilters behaved differently not only in terms of performance but also in terms of the microbial composition (Figure 4).Get Price
Distribution of bacterial biomass and activity in .
The purpose of this study was to determine bacterioplankton abundance and activity in the Barents Sea using the novel modified vital stain and probe (mVSP) method. The mVSP is a protocol that combines DAPI and propidium iodide staining with 16S rRNA eubacterial-specific oligonucleotide probes to determine the physiological status of individual microbial cells.Get Price
Dynamics of soil nutrients and microbial .
The soil nutrient status and microbial biomass at three stages of firstyear cropping in an 8-year jhum (slash-and-burn agriculture) cycle system weredetermined and compared to an adjacent humid tropical forest in ArunachalPradesh, north-eastern India. Soil pH increased after burning and decreased asthe cultivation progressed in the jhum field.Get Price