Results 21 to 30 of about 183,876 (266)

Stoichiometry of carbon, nitrogen, and phosphorus in wastewater from Romania

Romanian Journal of Ecology & Environmental Chemistry, 2021
Water resources crisis can lead to a new concept of wastewater treatment. Wastewater cannot be considered waste, but can be a renewable or non-renewable energy source. Nutrients from wastewater could be recycled and not disposed of.
Florinela Pirvu, Iuliana Paun, Marcela Niculescu, Vasile Ion Iancu, Luoana Florentina Pascu, Florentina Laura Chiriac   +5 more
doaj   +1 more source

The effects of nutrient enrichment and invasive mollusks on freshwater environments

Ecosphere, 2020
The effects of an invasive species on the environment can be altered by anthropogenic activities such as nutrient pollution or the presence of additional invasive species with similar or unique traits. Using experimental mesocosms, we tested the separate
Matthew S. Schuler, William D. Hintz, Devin K. Jones, Brian M. Mattes, Aaron B. Stoler, Rick A. Relyea   +5 more
doaj   +1 more source

Interpretative Machine Learning as a Key in Recognizing the Variability of Lakes Trophy Patterns

Quaestiones Geographicae, 2022
The paper presents an application of interpretative machine learning to identify groups of lakes not with similar features but with similar potential factors influencing the content of total phosphorus – Ptot.
Jasiewicz Jarosław, Zawiska Izabela, Rzodkiewicz Monika, Woszczyk Michał   +3 more
doaj   +1 more source

Manure Application Timing and Tillage Influence on Nutrient Loss from Snowmelt Runoff

Soil Systems, 2021
Winter manure application contributes substantial nutrient loss during snowmelt and influences water quality. The goal of this study is to develop best management practices (BMPs) for winter manure management.
Ammar B. Bhandari, Ronald Gelderman, David German, Dennis Todey   +3 more
doaj   +1 more source

Challenges and Opportunities With On-Farm Research: Total and Soluble Reactive Stream Phosphorus Before and After Implementation of a Cattle-Exclusion, Riparian Buffer

Frontiers in Environmental Science, 2018
Many nutrient mitigation best management practices (BMP) are promoted by state and federal agencies to protect water quality from animal agriculture. The measured effectiveness of these is highly variable in the research literature.
Christine B. Georgakakos, Chelsea K. Morris, M. Todd Walter   +2 more
doaj   +1 more source

Interrelationships among bluegill demographics, predator and competitor abundances and impoundment characteristics

Journal of Freshwater Ecology, 2020
Bluegills Lepomis macrochirus R. provide popular sport fisheries but the quality of these fisheries has declined across much of their range. Factors that may influence bluegill demographics were examined in 18 Midwestern (USA) impoundments which ...
Paul H. Michaletz
doaj   +1 more source

Characteristics of plant trait network and its influencing factors in impounded lakes and channel rivers of South-to-North Water Transfer Project, China

Frontiers in Plant Science, 2023
Trait-based approaches have been widely used to evaluate the effects of variable environments on submerged macrophytes communities. However, little research focused on the response of submerged macrophytes to variable environmental factors in impounded ...
Tianshun Zhu, Tianshun Zhu, Wanxiang Jiang, Henglun Shen, Juanjuan Yuan, Jing Chen, Zheng Gong, Lihong Wang, Meng Zhang, Qingyang Rao   +9 more
doaj   +1 more source

Remote sensing monitoring of total nitrogen and total phosphorus concentrations in the water around Chaohu Lake based on geographical division

Frontiers in Environmental Science, 2022
Remote sensing is useful for quantifying water-quality parameters for managing inland water systems. However, the single water-quality retrieval model usually has poor applicability in large regions.
Jiang Li, Jie Wang, Jie Wang, Jie Wang, Yanlan Wu, Yanlan Wu, Yanlan Wu, Yuhuan Cui, Shijiang Yan, Shijiang Yan   +9 more
doaj   +1 more source

Development of Software Sensors for Determining Total Phosphorus and Total Nitrogen in Waters [PDF]

International Journal of Environmental Research and Public Health, 2013
Total nitrogen (TN) and total phosphorus (TP) concentrations are important parameters to assess the quality of water bodies and are used as criteria to regulate the water quality of the effluent from a wastewater treatment plant (WWTP) in Korea. Therefore, continuous monitoring of TN and TP using in situ instruments is conducted nationwide in Korea ...
Eunhyoung Lee, Sanghoon Han, Hyunook Kim
openaire   +2 more sources

The fluvial flux of total reactive and total phosphorus from the UK in the context of a national phosphorus budget: comparing UK river fluxes with phosphorus trade imports and exports [PDF]

Biogeochemistry, 2016
A national river water quality database of total reactive phosphorus (TRP) and total phosphorus (TP) and flow was used, together with catchment characteristic datasets (soils, land use and hydroclimatic properties), to derive national fluvial phosphorus (P) flux estimates for Great Britain (England, Wales and Scotland) from 1974 to 2012.
Worrall, Fred, Jarvie, Helen P., Howden, Nicholas J.K., Burt, Tim P.   +3 more
openaire   +5 more sources