Results 111 to 120 of about 253,642 (203)

Ammonia‐oxidizing archaea and nitrite‐oxidizing nitrospiras in the biofilter of a shrimp recirculating aquaculture system [PDF]

, 2013
This study analysed the nitrifier community in the biofilter of a zero discharge, recirculating aquaculture system ( RAS ) for the production of marine shrimp in a low density (low ammonium production) system.
Raskin, Lutgarde, Briones, Aurelio, Brown, Monisha N., Diana, James   +3 more
core   +1 more source

Nitrogen removal and ammonia-oxidising bacteria in a vertical flow constructed wetland treating inorganic wastewater [PDF]

, 2011
Nitrogen removal performance and the ammonia-oxidising bacterial (AOB) community were assessed in the batch loaded 1.3ha saturated surface vertical flow wetland at CSBP Ltd, a fertiliser and chemical manufacturer located in Kwinana, Western Australia ...
Domingos, S.S., Dallas, S., Skillman, L., Felstead, S., Ho, G.   +4 more
core  

Predominance of ammonia-oxidizing archaea and nirK-gene-bearing denitrifiers among ammonia-oxidizing and denitrifying populations in sediments of a large urban eutrophic lake (Lake Donghu)

, 2013
The coupled nitrification-denitrification process plays a pivotal role in cycling and removal of nitrogen in aquatic ecosystems. In the present study, the communities of ammonia oxidizers and denitrifiers in the sediments of 2 basins (Guozhenghu Basin ...
Song, Chunlei, Zhou, Yiyong, Zhou, YY (reprint author), Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, 7 Donghu South Rd, Wuhan, Hubei, Peoples R China., Cao, Xiuyun, Hou, Jie   +4 more
core   +1 more source

Ammonia-oxidizing archaea in engineered biofiltration systems [PDF]

, 2016
Ammonia is a nitrogenous metabolic waste product that is produced by all animal life. High concentrations of ammonia are toxic to animals and may result in algal blooms and eutrophication in aquatic environments. To prevent negative impacts on animal and
Sauder, Laura
core  

Meta-analysis reveals ammonia-oxidizing bacteria respond more strongly to nitrogen addition than ammonia-oxidizing archaea [PDF]

, 2016
Shifts in microbial communities driven by anthropogenic nitrogen (N) addition have broad-scale ecological consequences. However, responses of microbial groups to exogenous N supply vary considerably across studies, hindering efforts to predict community ...
Carey, Chelsea J, Hart, Stephen C, Nicholas C. Dove, Stephen C. Hart, Dove, Nicholas C, Chelsea J. Carey, Emma L. Aronson, Beman, J Michael, Aronson, Emma L, J. Michael Beman   +9 more
core   +1 more source

Diversity and abundance of ammonia-oxidizing archaea in the Dongjiang River, China

Microbiological Research, 2011
Nitrification in aquatic ecosystems plays a crucial role in the global nitrogen cycling. It has been widely accepted that ammonia-oxidizing bacteria (AOB) are responsible for nitrification. However, this concept is currently challenged by the ubiquity of ammonia-oxidizing archaea (AOA) in various environments, such as in aquatic and terrestrial ...
Liu, Zhenghui, Huang, Shaobin, Sun, Guoping, Xu, Zhencheng, Xu, Meiying   +4 more
openaire   +2 more sources

Ammonia-oxidizing archaea use the most energy-efficient aerobic pathway for CO2 fixation

, 2014
Archaea of the phylum Thaumarchaeota are among the most abundant prokaryotes on Earth and are widely distributed in marine, terrestrial, and geothermal environments.
Schada von Borzyskowski, L., Konneke, M., Stahl, D., Standfest, S., Brown, P., Hugler, M., Berg, I., Erb, T., Schubert, D., Schwander, T.   +9 more
core   +1 more source

Response of Nitrification and Crop Yield to the Presence of NBPT and DCD in a Wheat-Corn Double Cropping System

Agronomy
The excessive application of nitrogen fertilizer aggravated the loss of nitrogen in farmland and exerted detrimental effects on the soil and water environment. Examining the effects of N-(n-Butyl)thiophosphoric triamide (NBPT) and nitrification inhibitor
Zhaoqi Qu, Xuejing Xia, Dan Liu, Huimin Dong, Tingliang Pan, Haojie Feng, Yanhong Lou, Hui Wang, Quangang Yang, Zhongchen Yang, Hong Pan, Yuping Zhuge   +11 more
doaj   +1 more source

Diversity and community structure of ammonia oxidizing archaea in long term fertilized paddy fields

, 2017
Long-term experiments involving different fertilization practices have been conducted at Miryang research station, South Korea since 1967 for the purpose of studying how varying fertilization regimes influence soil parameters and crop yield. By utilizing
Samaddar, S (via Mendeley Data)
core   +1 more source

Data from: Vascular plants mediate the effects of aridity and soil properties on ammonia-oxidizing bacteria and archaea

, 2013
An integrated perspective of the most important factors driving the abundance of ammonia-oxidizing bacteria (AOB) and archaea (AOA) in natural ecosystems is lacking, especially in drylands.
Delgado-Baquerizo, Manuel, Wallenstein, Matthew D., Maestre, Fernando T., Delgado Baquerizo, Manuel, Gallardo, Antonio   +4 more
core   +1 more source