Sentences with phrase «microbial biomass»
The phrase "microbial biomass" refers to the total mass or amount of microscopic organisms, such as bacteria, fungi, and archaea, present in a particular environment. It represents the combined weight of all these tiny organisms. Full definition
«This happens because the presence of microbial cheaters ultimately reduces the total amount of enzymes produced by the microbial community, while the total amount of microbial biomass stays about the same» explains University of Vienna ecologist and IIASA guest researcher Christina Kaiser, who led the study.
sciencedaily.com
No - till systems had greater soil microbial biomass and enzymatic activity.
In contrast to other tillage equipment, such as moldboard plows or disc plows, the use of chisel plows was associated with greater microbial biomass.
These include depletion of microbially accessible carbon pools, reductions in microbial biomass, a shift in microbial carbon use efficiency, and changes in microbial community composition.
At the same time, altered water availability and enhanced photosynthesis can change the amount of leaf, root and below ground microbial biomass, resulting in changes to ecosystem functioning.
Calf stomachs contain a relatively immature microbial biomass.
That leads to more microbial biomass being produced compared to the amount of dead plant material — which contributes to the build - up of organic material in the soil.»
The article, «Meta - analysis approach to assess effect of tillage on microbial biomass and enzyme activities,» is published in Soil Biology & Biochemistry.
Nor do scientists have a good handle on how much microbial biomass exists in the ocean crust — an ecosystem that according to some estimates covers about 60 % of Earth's surface.
Decomposer food web in a deciduous forest shows high share of generalist microorganisms and importance of microbial biomass recycling — Ruben López - Mondéjar, The ISME Journal
The study suggests that since soil microbial biomass and enzymatic activity can stand in as proxies for soil quality, farmers should consider moving toward no - till or conservation tillage systems.
Tilled systems that used a chisel plow were equivalent to no - till systems, in terms of microbial biomass.
Similarly, microbial biomass was reduced by 20 percent.
«We added lower concentrations [of silver] to a more complex system, but rather than find no measurable effect, we found that the silver nanoparticles significantly altered the plant growth, microbial biomass and microbial activity.»
The lineages of these groups are not restricted to extreme habitats, as was once thought common for archaeal species; rather, archaea are widespread and occur in all thinkable environments on Earth, where they can make up substantial portions of the microbial biomass.
When the data from all 62 studies were analyzed together, it turned out that microbial biomass and enzymatic activity were greater in no - till than in tilled systems.
Zuber compared measures of microbial biomass and metabolic activity in no - till and tilled systems.
In particular, they were able to distinguish iron carbonate structures which had been formed in the presence of a rather small amount of organic compounds (microbial biomass) from those formed in the presence of a larger amount.
This heat map shows the areas of the United States where the soil microbial biomass is susceptible to changes in vegetation cover.
Decreased mass specific respiration under experimental warming is robust to the microbial biomass method employed.
December 17, 2017 Plant diversity enhances soil microbial biomass, particularly soil fungi, by increasing root - derived organic inputs.