Article
Engineering, Civil
Yuan Hui, Zhenduo Zhu, Joseph F. Atkinson, Angshuman M. Saharia
Summary: This study focused on the issue of nuisance growth of the alga Cladophora in Rochester Embayment in Lake Ontario, and found that the timing of high TP loading plays a crucial role in Cladophora growth. The study suggests that future Cladophora control measures should take into consideration not only the total annual TP loading mass, but also the temporal loading patterns.
JOURNAL OF HYDROLOGY
(2021)
Article
Engineering, Civil
Li Zhang, Theodore A. Endreny, Emily A. Stephan
Summary: This study aims to develop a stochastic export coefficient model using observed discharge occurrence probability to predict variations in annual nutrient loads and assist in river basin management plans. The stochastic model outperforms the standard deterministic model in terms of accuracy and correlation with observed loads.
JOURNAL OF HYDROLOGY
(2023)
Article
Limnology
Saara Makelin, Anna Villnas
Summary: This article investigates the variation in carbon and nutrient pools of benthic fauna in coastal soft-sediment habitats and finds that the C:N:P content of benthic fauna shows seasonal variation and shifts in response to food sources and environmental conditions.
LIMNOLOGY AND OCEANOGRAPHY
(2022)
Article
Agronomy
Deepali Kothari, Nirmala Pargaien, Lalit Mohan Tewari, Harsh Kumar Dikshit, Gyan Prakash Mishra, Muraleedhar S. S. Aski, Ruchi Bansal, Sanjeev Gupta, Shiv Kumar, Ramakrishnan Madhavan Nair
Summary: Phosphorus is a major limiting nutrient in subtropical and tropical soils, and the use of phosphatic fertilizers is not sustainable. This study examined different Vigna species for phosphorus uptake and utilization efficiency, and found that mungbean exhibited higher phosphorus use efficiency compared to other species.
Article
Engineering, Environmental
Owen M. Stefaniak, Steven R. Corsi, Troy D. Rutter, Greg G. Failey
Summary: Airport ice control products contribute to total phosphorus loadings in surface water runoff. They impact TP concentrations in downstream water samples and often exceed aquatic life benchmarks during deicing events. Airport outfall sites and receiving streams experience the highest TP loadings during major runoff events, but this pattern can be influenced by TP in deicer products. This study suggests that airport deicers may be an unrecognized source of phosphorus to adjacent waterways.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2023)
Article
Engineering, Environmental
Y. T. Wang, T. Q. Zhang, Y. C. Zhao, J. J. H. Ciborowski, Y. M. Zhao, I. P. O'Halloran, Z. M. Qi, C. S. Tan
Summary: Research shows that sedimentary phosphorus in Lake Erie contributes to internal loading differently in different basins. The central basin potentially contributes significantly to internal phosphorus loading, while sediment in the western basin seems unlikely to have an impact on internal phosphorus loading.
Article
Environmental Sciences
Rachel L. Wood, John M. Stark, Zachary T. Aanderud, Michelle A. Baker
Summary: The effectiveness of wetlands in sequestering nutrients and improving water quality relies on a suite of abiotic and biotic conditions. In a study conducted in wetlands near the Great Salt Lake in Utah, the removal of plants, increased salinity, and altered ambient nutrient concentrations did not result in significant differences in nutrient removal, suggesting functional redundancy in associated primary producers. When submerged aquatic vegetation was removed, phytoplankton occupied the open niche space, leading to an increase in chlorophyll concentration but no change in nitrogen and phosphorus assimilation. High levels of nitrogen and phosphorus could be rapidly reduced in these wetlands, indicating a high potential for nitrogen remediation.
JOURNAL OF ENVIRONMENTAL QUALITY
(2023)
Article
Plant Sciences
Vinita Ramtekey, Ruchi Bansal, Muraleedhar S. Aski, Deepali Kothari, Akanksha Singh, Renu Pandey, Kuldeep Tripathi, Gyan P. Mishra, Shiv Kumar, Harsh Kumar Dikshit
Summary: Phosphorus is a crucial but non-renewable resource for crop productivity worldwide, and identifying genotypes with efficient P uptake and utilization in low P environments is essential. This study characterized 80 genotypes from different Lens species and found significant reductions in root and shoot traits under P deficiency. Different Lens species exhibited variations in traits, with cultivated lentils showing higher P uptake and utilization efficiency compared to wild forms. The study identified promising genotypes with high P use efficiency, which can be used for breeding lentil varieties suited for low P environments.
Article
Engineering, Chemical
Yanhua Liu, Mengli Zhuang, Chengjiu Guo, Yuhua Jia
Summary: Analysis of water quality variation from 2007 to 2018 at the inlet of Baishi Reservoir showed a worsening trend in water pollution over the years, with nitrogen pollution being the most prominent issue. This study provides valuable scientific support for sustainable water quality protection in reservoirs.
DESALINATION AND WATER TREATMENT
(2021)
Article
Environmental Sciences
Shuo-Nan Ma, Xu-Meng Dong, Erik Jeppesen, Martin Sondergaard, Jia-Yi Cao, Yuan-Yuan Li, Hai-Jun Wang, Ji-Lin Xu
Summary: The study found that urea can significantly promote the release of phosphorus from sediment after being transformed into nitrate, with the promoting effect becoming more significant with higher nitrate concentrations. Additionally, nitrate can affect phosphorus release by decreasing sediment pH and increasing alkaline phosphatase activity, or by improving sediment oxidation.
MARINE POLLUTION BULLETIN
(2022)
Article
Environmental Sciences
Zeshu Zhang, Hubert Montas, Adel Shirmohammadi, Paul T. Leisnham, Amanda K. Rockler
Summary: This study analyzed and modeled the household BMP adoption data in different socio-economically diverse areas of Washington, D.C. It found that adoption behavior tends to cluster in urban areas and is influenced by socio-economic factors. The research also revealed the impact of different watershed characteristics on BMP adoption rates.
Article
Environmental Sciences
Xin Liu, Dingming Zhang, Huijun Wu, James J. Elser, Zengwei Yuan
Summary: Over the past 15 years in China, there has been excessive input of nitrogen and phosphorus, resulting in a significant decrease in the nitrogen to phosphorus ratio. While nitrogen use efficiency has increased, most crops have shown a decreasing trend in phosphorus use efficiency. This highlights the need for further exploration in phosphorus management for sustainable agriculture.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Review
Ecology
Min Luo, Daryl L. Moorhead, Raul Ochoa-Hueso, Carsten W. Mueller, Samantha C. Ying, Ji Chen
Summary: Increased human-derived nitrogen loading in terrestrial ecosystems has led to widespread phosphorus limitation. Plants and soil micro-organisms adopt phosphorus-acquisition strategies to offset this limitation, but these strategies come at a cost to carbon allocation. The effects of these strategies on soil carbon cycling are still unclear.
FUNCTIONAL ECOLOGY
(2022)
Article
Computer Science, Interdisciplinary Applications
James N. Carleton, Sylvia S. Lee
Summary: Internal feedback of nutrients may hinder the improvement of lake water quality. A parsimonious and mechanistic framework is proposed to model the lag times of phosphorus-enriched lakes' recovery. The approach considers phosphorus storage in benthic sediments and assumes first-order kinetics in a two-compartment system. Bayesian parameter modeling and sediment phosphorus release rates are used to estimate key parameters. Mean lag times to 50% and 75% declines in water column phosphorus concentration are estimated to be 13.1 and 39.0 years respectively across over 70,000 lentic water bodies in the continental United States.
ENVIRONMENTAL MODELLING & SOFTWARE
(2023)
Article
Environmental Sciences
Jing He, Haiying Feng, Zhaoyan Diao, Derong Su
Summary: This study investigated the effect of temperature variation on the phosphorus flux at the sediment-water interface in steppe wetlands during the vegetation growing season. The results showed that temperature changes greatly affected the release and precipitation of phosphorus from sediments to the overlying water. The phosphorus flux rates were influenced by temperature variation both directly and indirectly.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Limnology
J. R. Jones, D. Obrecht, R. L. North
Summary: Landscape-level analyses based on land cover, morphology, and hydrology show that management practices, such as macrophyte removal, can significantly impact water quality in Missouri reservoirs, leading to changes in nutrient levels and plankton dominance.
Editorial Material
Limnology
John R. Jones
Summary: The International Society of Limnology (SIL) has supported three significant publications over the past century, documenting the discoveries and research of limnologists. Through these publications, we can gain insights into important papers and the development of SIL.
Article
Limnology
John R. Jones, Daniel Obrecht, Anthony P. Thorpe
Summary: This study provides a long-term assessment of the limnological characteristics of Lake of the Ozarks in Missouri, USA. The analysis reveals changes in suspended solids, chlorophyll content, and light transmission following the formation of a reservoir series. The findings suggest that hydrology and climate play significant roles in shaping the lake's characteristics.
LAKE AND RESERVOIR MANAGEMENT
(2022)