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| http://dx.doi.org/10.24272/j.issn.2095-8137.2022.368 | DOI Listing |
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Global spatiotemporal characterization factors for freshwater eutrophication under climate change scenarios.
Sci Total Environ
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Environmental Economics (EnvEcon), Department of Engineering Management, Faculty of Business and Economics, University of Antwerp, Prinsstraat 13, 2000 Antwerp, Belgium; Flanders Make@UAntwerp, 2000 Antwerp, Belgium; NANOlight Centre of Excellence, Prinsstraat 13, 2000 Antwerp, Belgium. Electronic address:
Nutrient enrichment of water bodies can lead to eutrophication, which poses a global threat to freshwater ecosystems, affecting biodiversity and water quality. While human activities have accelerated eutrophication, climate change further complicates the dynamics of nutrient cycling and ecosystem responses. Here, we provide global, spatially explicit freshwater eutrophication characterization factors, at an annual resolution from 2021 up to 2099 based on eight different climate change scenarios.
View Article and Find Full Text PDFCoefficients in Taylor's law increase with the time scale of water clarity measurements in a global suite of lakes.
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Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, New York, USA.
Identifying the scaling rules describing ecological patterns across time and space is a central challenge in ecology. Taylor's law of fluctuation scaling, which states that the variance of a population's size or density is proportional to a positive power of the mean size or density, has been widely observed in population dynamics and characterizes variability in multiple scientific domains. However, it is unclear if this phenomenon accurately describes ecological patterns across many orders of magnitude in time, and therefore links otherwise disparate observations.
View Article and Find Full Text PDFTargeted screening, characterization and sources of per- and polyfluoroalkyl substances in plateau lake Yangzonghai, China.
Environ Geochem Health
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College of Resources and Environment, Chengdu University of Information Technology, Chengdu, 610025, China.
Per- and polyfluoroalkyl substances (PFAS) have been detected in lake ecosystems globally, even in remote areas at high altitudes. Compared to plain lakes with short water change cycles and significant human influence, plateau lakes are primarily tectonic closed or semi-closed lakes with steep terrain. Their long water change cycles lead to an obvious cumulative effect on pollutants.
View Article and Find Full Text PDFIntegrated assessment of water footprint in nonirrigated vineyards.
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Department of Civil Engineering, Architecture, Land, Environment and Mathematics, University of Brescia, - Agrofood Research Hub, via Branze, 43, 25123, Brescia, Italy.
The topic of sustainable water management has become of paramount importance at a global level, especially when considering the high-amount of water used in agriculture, which is a threat to water resource balance. Focused on 38 inventories of nonirrigated vineyard management in the Franciacorta wine-growing region in Italy, this study aims to understand how agronomic practices impact water resources. The integrated statistical approach, based on generalized linear models, reveals how context variables influence different water footprint indicators, such as water scarcity, acidification and freshwater ecotoxicity.
View Article and Find Full Text PDFReaction kinetics and molecular characterization of the compounds formed by photosensitized degradation of the plastic additive bisphenol A in the atmospheric aqueous phase.
Sci Rep
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State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China.
Bisphenol A (BPA, 4,4'-(propane-2,2-diyl)diphenol) is a common plasticizer that is very widespread in the environment and is also found at significant concentrations in the global oceans, due to contamination by plastics. Here we show that triplet sensitization is an important degradation pathway for BPA in natural surface waters, which could prevail if the water dissolved organic carbon is above 2-3 mg L. Bromide levels as per seawater conditions have the potential to slow down BPA photodegradation, a phenomenon that could not be offset by reaction of BPA with Br (second-order reaction rate constant of (2.
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