Bacterial amoB gene amplicon sequencing of Baiyang lake samples(later)
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Weused15N-18O isotopic tracing and molecular functional gene to explain the sources and microbial driving mechanism of N2O, respectively
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2020-01-15
相关数据集
Data Freyschmidt and Beier 2023
This file includes the data used in the publication "AOB Activity – an Essential Parameter for Model-Based N2O Mitigation Strategies for Biofilms" by A. Freyschmidt and M. Beier, 2023
DataCite Commons2023-05-30 更新70
Deriving Emission Factors and Estimating Direct Nitrous Oxide Emissions for Crop Cultivation in China
Updating and refining the N2O emission factors (N2O-EFs) are vital to reduce the uncertainty in estimates of direct N2O emissions. Based on a database with 1151 field measurements across China, the N2
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NIAID Data Ecosystem50
Ammonia oxidizing microorganisms are an important source of nitrous oxide (N2O) in aquatic environments, but the impact that acidification has on the rate and mechanism of N2O production by these organisms is not well understood. Here we present evidence from 15N-tracer incubations that acidification (from pH 7.54 to 7.20) significantly enhances N2O production by the ammonia oxidizer community in the shallow hypolimnion (17 m) of Lake Lugano in southern Switzerland. This community is dominated by the ammonia oxidizing bacteria of the genus Nitrosospira. Although ammonia oxidation rates were not significantly different among the pH treatments, the pH reduction did enhance the yield, or the ratio of N2O relative to NOx- (nitrite + nitrate) produced by ammonia oxidizers, from 2.6 × 10-5 to 8.8 × 10-5 mol N-N2O/mol N-NOx- at an O2 concentration of 290 μM, and from 5.7 × 10-5 to 12.1 × 10-5 mol N-N2O/mol N-NOx- at an O2 concentration of 70 μM. The increases were due at least in part t
Ammonia oxidizing microorganisms are an important source of nitrous oxide (N2O) in aquatic environments, but the impact that acidification has on the rate and mechanism of N2O production by these orga
NIAID Data Ecosystem40
