Results 41 to 50 of about 7,887,836 (305)

Straw Return and Nitrogen Fertilization to Maize Regulate Soil Properties, Microbial Community, and Enzyme Activities Under a Dual Cropping System

open access: yesFrontiers in Microbiology, 2022
Soil sustainability is based on soil microbial communities’ abundance and composition. Straw returning (SR) and nitrogen (N) fertilization influence soil fertility, enzyme activities, and the soil microbial community and structure.
Li Yang   +5 more
doaj   +1 more source

Atmospheric Deposition Impact on Bacterial Community Composition in the NW Mediterranean [PDF]

open access: yesFrontiers in Microbiology, 2019
Atmospheric deposition is a source of inorganic nutrients and organic matter to the ocean, and can favor the growth of some planktonic species over others according to their nutrient requirements. Atmospheric inputs from natural and anthropogenic sources are nowadays increasing due to desertification and industrialization, respectively.
Isabel Marín-Beltrán   +4 more
openaire   +5 more sources

Determinants of the Bacterial Diversity in Manipulated and Natural Soils [PDF]

open access: yes, 2008
Soils harbor highly diverse bacterial communities. It is still poorly understood whether functional redundancy or a multitude of ecological niche modify the abundance and community composition of bacteria in soil.
Zul, Delita
core   +1 more source

Species dynamics in natural bacterial communities over multiple rounds of propagation

open access: yesEvolutionary Applications, 2022
Our experimental work illustrates how microbial ecosystems can be shaped by selective pressures over long‐term ecological time scales. Natural microbial ecosystems generally consist of various co‐existing species, where community composition describes ...
Anneloes E. Groenenboom   +4 more
doaj   +1 more source

How Microbial Food Web Interactions Shape the Arctic Ocean Bacterial Community Revealed by Size Fractionation Experiments

open access: yesMicroorganisms, 2021
In the Arctic, seasonal changes are substantial, and as a result, the marine bacterial community composition and functions differ greatly between the dark winter and light-intensive summer. While light availability is, overall, the external driver of the
Oliver Müller   +5 more
doaj   +1 more source

Urban greenness influences airborne bacterial community composition

open access: yesScience of The Total Environment, 2016
Urban green space provides health benefits for city dwellers, and new evidence suggests that microorganisms associated with soil and vegetation could play a role. While airborne microorganisms are ubiquitous in urban areas, the influence of nearby vegetation on airborne microbial communities remains poorly understood.
Mhuireach, Gwynne   +6 more
openaire   +4 more sources

Wildfire effects on diversity and composition in soil bacterial communities

open access: yesScience of The Total Environment, 2020
In recent years, the Mediterranean area has witnessed an increase of both the frequency and severity of large fires, which appears to be intimately associated with climate and land use changes. To measure the impact of wildfires on living organisms, diverse indicators have been proposed.
Sáenz de Miera Carnicer, Luis Enrique   +4 more
openaire   +3 more sources

Bacterial Community Composition and Extracellular Enzymatic Function in Marine Waters [PDF]

open access: yes, 2011
Bacteria play an important role in the degradation of marine organic matter. A crucial first step involves bacterial release of extracellular enzymes to break large molecules into smaller, more manageable pieces.
D'Ambrosio, Lindsay
core   +1 more source

Changes in the bacterial community composition of different habitats along a polluted river (Suquía River, Cordoba, Argentina)

open access: yesEcología Austral, 2017
The objective of the present study was to investigate the influence of environmental conditions on the bacterial community composition in water, sediment and riparian soil during different water flow periods.
Carolina Merlo   +3 more
doaj   +1 more source

Microbial community composition and function in an urban waterway with combined sewer overflows before and after implementation of a stormwater storage pipe [PDF]

open access: yesPeerJ, 2023
When the wastewater volume exceeds the sewer pipe capacity during extreme rainfall events, untreated sewage discharges directly into rivers as combined sewer overflow (CSO).
Kazuaki Matsui, Takeshi Miki
doaj   +2 more sources

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