Article
Environmental Sciences
Lewis A. Molot, Scott N. Higgins, Sherry L. Schiff, Jason J. Venkiteswaran, Michael J. Paterson, Helen M. Baulch
Summary: The study showed that dense cyanobacteria blooms can rapidly develop under high phosphorus loading without anthropogenic nitrogen inputs. Phosphorus fertilization significantly increased chlorophyll a concentrations and cyanobacteria biomass.
ENVIRONMENTAL RESEARCH LETTERS
(2021)
Article
Environmental Sciences
Udaya W. A. Vitharana, Darshani Kumaragamage, B. L. W. K. Balasooriya, Srimathie P. Indraratne, Doug Goltz
Summary: The study found that snowmelt flooding increases the mobility of soil phosphorus, while surface application of MgSo(4) can effectively reduce phosphorus release to floodwater.
ENVIRONMENTAL POLLUTION
(2021)
Article
Green & Sustainable Science & Technology
Xiaoxin Zhang, Yujun Yi, Ying Yang, Hongxi Liu, Zhifeng Yang
Summary: This study quantified the total phosphorus loading to Lake Baiyangdian in northern China and assessed future trends and trophic state implications. Results show that under different socioeconomic scenarios, TP loading will increase only in the fragmentation scenario by 2050, mainly due to animal manure discharge. It is crucial to avoid eutrophication and restore oligotrophic state by reducing direct discharge of animal manure and increasing TP removal rates, especially in rural areas.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Environmental Sciences
Lei Xia, Tom David, Mieke Verbeeck, Yaana Bruneel, Erik Smolders
Summary: The study found that glauconite sands can be used as phosphorus sorbents to inhibit phosphorus release in sediments under hypoxic conditions, but they still have the potential to be remobilized under certain circumstances.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Environmental Sciences
Maria de Jesus Delmiro Rocha, Iran Eduardo Lima Neto
Summary: This study investigated the relationships between physical, limnological and climatic drivers with the internal total phosphorus loading in 30 water supply reservoirs of the Brazilian semiarid. The results showed high phosphorus release rates in the reservoirs, influenced by water quality and climatic conditions.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Article
Environmental Sciences
A. Van Heyst, A. Sinclair, R. Jamieson
Summary: The lakes in southwestern Nova Scotia, Canada are experiencing cultural eutrophication mainly driven by phosphorus inputs from expanding mink farming industry. This study highlights the importance of considering these nutrient sources in watershed management plans to address water quality issues in the region.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Article
Ecology
D. M. Endale, T. C. Strickland, H. H. Schomberg, D. D. Bosch, O. Pisani, A. W. Coffin
Summary: The study evaluated the effectiveness of using FGDG and grass buffer strips to reduce nutrient losses from corn production in Coastal Plain soils near Tifton, Georgia. Results indicate the potential for FGDG to improve edge-of-field runoff water quality, but also highlight the need for comprehensive evaluation of risks and benefits.
JOURNAL OF SOIL AND WATER CONSERVATION
(2021)
Article
Engineering, Environmental
Shuo-Nan Ma, Yuan-Feng Xu, Hai-Jun Wang, Hong-Zhu Wang, Yan Li, Xu-Meng Dong, Ji-Lin Xu, Qing Yu, Martin Sondergaard, Erik Jeppesen
Summary: This study conducted a five-year large-scale experiment in ten ponds to investigate the effects of nitrogen input on phosphorus dynamics. The results showed that sediment phosphorus release significantly increased when the nitrogen concentration exceeded a certain threshold. The release was most pronounced in summer and in sediments rich in organic matter. Several mechanisms were proposed to explain the stimulated phosphorus release, including N:P imbalance, alkaline phosphatase production, and disturbed sediment resuspension.
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
Eve-Lyn S. Hinckley, Charles T. T. Driscoll
Summary: Sulfur, an essential nutrient for plant growth, has been increasingly used in fertiliser applications for many crops, coinciding with declines in atmospheric sulfur deposition. The increase in sulfur fertiliser has outpaced other major nutrient fertilisers, highlighting the need for improved sulfur management tools to optimize fertiliser applications and minimize environmental impacts.
COMMUNICATIONS EARTH & ENVIRONMENT
(2022)
Article
Agronomy
J. Cedeno, J. J. Magan, R. B. Thompson, M. D. Fernandez, M. Gallardo
Summary: Substrate-grown crops in southern Spain make up 10% of intensive greenhouse horticulture, and their free-draining nature leads to significant nutrient loss in drainage, causing water contamination. This study examined two management approaches, ratio-based and uptake concentration-based, to reduce nutrient loss in drainage. Both strategies significantly reduced nutrient application, with ratio-based management reducing nutrient loss by 58-77% and uptake concentration-based management reducing it by 65-80%.
AGRICULTURAL WATER MANAGEMENT
(2023)
Article
Engineering, Environmental
Balaji-Prasath Barathan, Wenting Chen, Yuping Su, Xue Wang, Yinxing Chen
Summary: Lake water eutrophication is a major obstacle to sustainable economic development in China. Studies on the effects of mainstream currents on reservoirs have been relatively scarce, although changes in water-sediment transport regime in downstream rivers may influence nutrient transport in connected lakes. This study focused on Sanshiliujiao Lake in Fujian, China and aimed to estimate the phosphorus and nitrogen loads to the lake, explore their sources, and assess their ecological effects. The study found that water diversion and non-point sources were the main contributors to the total phosphorus and total nitrogen loads, and water diversion also affected the structure and abundance of phytoplankton communities.
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
(2023)
Article
Limnology
Jian Shen, Jiabi Du, Lisa Lucas
Summary: Simple mathematical models provide insight into the relationships between import, export, transport, and internal removal for nonconservative substances in an estuary. These models can assess the relative importance of physical and biochemical processes and provide accurate estimates in practical applications.
LIMNOLOGY AND OCEANOGRAPHY
(2022)
Article
Environmental Sciences
Xiumei Zhang, Wei Zhen, Henning S. Jensen, Kasper Reitzel, Erik Jeppesen, Zhengwen Liu
Summary: The combined treatment of submerged macrophytes and Phoslock (R) showed stronger improvement in water quality compared to individual measures, especially in reducing soluble reactive phosphorus. The treatment also led to transformation of phosphorus forms in different sediment layers, potentially accelerating lake restoration process.
ENVIRONMENTAL POLLUTION
(2021)
Article
Engineering, Environmental
Xiangzhen Kong, Maria Determann, Tobias Kuhlmann Andersen, Carolina Cerqueira Barbosa, Tallent Dadi, Annette B. G. Janssen, Ma. Cristina Paule-Mercado, Diego Guimaraes Florencio Pujoni, Martin Schultze, Karsten Rinke
Summary: Phosphorus (P) precipitation is an effective method to mitigate lake eutrophication, but it can lead to re-eutrophication and harmful algal blooms. The role of lake warming and its synergistic effects with internal loading have been understudied.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2023)
Article
Environmental Sciences
Antti Iho, Marc Ribaudo, Kari Hyytiainen
MARINE POLLUTION BULLETIN
(2015)
Article
Economics
Soile Oinonen, Lone Gronbaek, Marita Laukkanen, Polina Levontin, Marko Lindroos, Emmi Nieminen, Katja Parkkila, Pedro Pintassilgo, Henni Pulkkinen, Atso Romakkaniemi
MARINE RESOURCE ECONOMICS
(2016)
Article
Fisheries
Pedro Pintassilgo, Marita Laukkanen, Lone Gronbaek, Marko Lindroos
FISHERIES RESEARCH
(2018)
Article
Agricultural Economics & Policy
Antti Iho, Jussi Lankoski, Markku Ollikainen, Markku Puustinen, Jonne Lehtimaki
AUSTRALIAN JOURNAL OF AGRICULTURAL AND RESOURCE ECONOMICS
(2014)
Article
Ecology
Antti Iho, Marita Laukkanen
ECOLOGICAL ECONOMICS
(2012)
Article
Environmental Studies
Antti Iho, Niko Soininen, Iivo Vehvilainen, Saija Koljonen, Janne Artell, Antti Belinskij
Summary: Global biodiversity loss is most severe in freshwater ecosystems, especially in river ecosystems, where hydropower is identified as a major cause. The feasibility of mitigation measures categorizes existing facilities into three groups, suggesting different policy actions for each group.
ENVIRONMENTAL POLICY AND GOVERNANCE
(2023)
Article
Engineering, Environmental
Antti Iho, Helena Valve, Petri Ekholm, Risto Uusitalo, Jouni Lehtoranta, Helena Soinne, Jani Salminen
Summary: Eutrophication of the Baltic Sea is mainly caused by phosphorus and nitrogen. Although the anthropogenic point source loads of these nutrients have reduced significantly, further reductions are necessary. The abatement targets for phosphorus are particularly stringent, emphasizing the need for more non-point source abatement, specifically from agricultural sources. It is important to consider the different forms of phosphorus and their contribution to eutrophication when implementing abatement measures, to prevent inefficient outcomes. Replacing or supplementing the Total Phosphorus metric with a more accurate measure of biologically available phosphorus is a precautionary and efficiency-improving policy approach, especially as agricultural emissions become a larger share of total pollution.
Article
Business
Lassi Ahlvik, Antti Iho
JOURNAL OF ENVIRONMENTAL ECONOMICS AND MANAGEMENT
(2018)
Article
Economics
Antti Iho, Heini Ahtiainen, Janne Artell, Outi Heikinheimo, Pirkko Kauppila, Anna-Kaisa Kosenius, Marita Laukkanen, Marko Lindroos, Soile Oinonen, Kimmo Ollikka, Katja Parkkila, Yulia Pavlova, Heikki Peltonen, Eija Pouta, Laura Uusitalo
WATER ECONOMICS AND POLICY
(2017)
Article
Ecology
Antti Iho, Lassi Ahlvik, Petri Ekholm, Jouni Lehtoranta, Pirkko Kortelainen
ECOLOGICAL ECONOMICS
(2017)
Article
Economics
Marita Laukkanen, Celine Nauges
Article
Economics
Marita Laukkanen, Celine Nauges