Salinity Contributions from Geothermal Waters to the Rio Grande and Shallow Aquifer System in the Transboundary Mesilla (United States)/Conejos-Médanos (Mexico) Basin by Jeff D. Pepin, Andrew J. Robertson, Shari A. Kelley

“…Freshwater scarcity has raised concerns about the long-term availability of the water supplies within the transboundary Mesilla (United States)/Conejos-Médanos (Mexico) Basin in Texas, New Mexico, and Chihuahua. …”
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Bacterial community responses of the hydrothermal vent crab Xenograpsus testudinatus fed on microplastics by Priyanka Muthu, Yun-Cheng Lee, Gowri Krishna Girija, Yu-Ling Chen, Ying-Ning Ho, Ying-Ning Ho, Jiang-Shiou Hwang, Jiang-Shiou Hwang, Jiang-Shiou Hwang

“…Microplastics (MPs) provide persistent contaminants in freshwaters and the oceans from anthropogenic sources worldwide. …”
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First Report on Cyanotoxin (MC-LR) Removal from Surface Water by Multi-Soil-Layering (MSL) Eco-Technology: Preliminary Results by Roseline Prisca Aba, Richard Mugani, Abdessamad Hejjaj, Nelly Brugerolle de Fraissinette, Brahim Oudra, Naaila Ouazzani, Alexandre Campos, Vitor Vasconcelos, Pedro N. Carvalho, Laila Mandi

“…Cyanobacteria blooms occur frequently in freshwaters around the world. Some can produce and release toxic compounds called cyanotoxins, which represent a danger to both the environment and human health. …”
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Interplay of Nutrients, Temperature, and Competition of Native and Alien Cyanobacteria Species Growth and Cyanotoxin Production in Temperate Lakes by Ksenija Savadova-Ratkus, Hanna Mazur-Marzec, Jūratė Karosienė, Jūratė Kasperovičienė, Ričardas Paškauskas, Irma Vitonytė, Judita Koreivienė

“…The current study assessed how alien to Europe <i>Sphaerospermopsis aphanizomenoides</i> and <i>Chrysosporum bergii</i> will co-occur with dominant native <i>Planktothrix agardhii</i> and <i>Aphanizomenon gracile</i> species under changing conditions in temperate freshwaters. The experiments were carried out to examine the effect of nutrients and temperature on the growth rate of cyanobacteria, production of cyanotoxins, and interspecies competition. …”
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The Comparative Toxicity of 10 Microcystin Congeners Administered Orally to Mice: Clinical Effects and Organ Toxicity by Neil Chernoff, Donna Hill, Johnsie Lang, Judy Schmid, Thao Le, Amy Farthing, Hwa Huang

“…Microcystins (MCs) are common cyanobacterial toxins that occur in freshwaters worldwide. Only two of the >200 MC variants have been tested for potential toxicity after oral exposure. …”
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Age structure, condition and length increase of the topmouth gudgeon (Pseudorasbora parva Schlegel 1842) in non-native populations of small rivers of Poland by Czerniejewski Przemysław, Zatoń Kinga, Kasowska Natalia, Brysiewicz Adam

“…Actually, the most compelling fish invasion in Polish freshwaters is arguably the accidental introduction of the topmouth gudgeon (Pseudorasbora parva). …”
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Occurrence of Bacterial Pathogens and Human Noroviruses in Shellfish-Harvesting Areas and Their Catchments in France by Alain Rincé, Charlotte Balière, Dominique Hervio-Heath, Joëlle Cozien, Solen Lozach, Sylvain Parnaudeau, Françoise S. Le Guyader, Simon Le Hello, Jean-Christophe Giard, Nicolas Sauvageot, Abdellah Benachour, Sofia Strubbia, Michèle Gourmelon

“…During a 2-year study, the presence of human pathogenic bacteria and noroviruses was investigated in shellfish, seawater and/or surface sediments collected from three French coastal shellfish-harvesting areas as well as in freshwaters from the corresponding upstream catchments. …”
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Spatiotemporal Variability in Phytoplankton Bloom Phenology in Eastern Canadian Lakes Related to Physiographic, Morphologic, and Climatic Drivers by Claudie Ratté-Fortin, Karem Chokmani, Isabelle Laurion

“…Phytoplankton bloom monitoring in freshwaters is a challenging task, particularly when biomass is dominated by buoyant cyanobacterial communities that present complex spatiotemporal patterns. …”
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Fourteen new species of Oecetis McLachlan, 1877 (Trichoptera: Leptoceridae) from the Neotropical region by Fabio B. Quinteiro, Ralph W. Holzenthal

“…Its larval stages are found in freshwaters around the world. The adults can be distinguished from other Leptoceridae by the unbranched forewing M vein and the exceptionally long maxillary palps. …”
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Chromosomes of Asian cyprinid fishes: Novel insight into the chromosomal evolution of Labeoninae (Teleostei, Cyprinidae). by Sudarat Khensuwan, Francisco de Menezes Cavalcante Sassi, Renata Luiza Rosa de Moraes, Petr Rab, Thomas Liehr, Weerayuth Supiwong, Kriengkrai Seetapan, Alongklod Tanomtong, Nathpapat Tantisuwichwong, Satit Arunsang, Phichaya Buasriyot, Sampun Tongnunui, Marcelo de Bello Cioffi

“…This widely distributed assemblage contains some 48 genera and around 480 recognized species distributed in freshwaters of Africa and Asia. In this study, the karyotypes and other chromosomal properties of five Labeoninae species found in Thailand Labeo chrysophekadion (Labeonini) and Epalzeorhynchos bicolor, Epalzeorhynchos munense, Henicorhynchus siamensis, Thynnichthys thynnoides (´Osteochilini´) were examined using conventional and molecular cytogenetic protocols. …”
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Pond greenhouse gas emissions controlled by duckweed coverage by Joseph Rabaey, James Cotner

“…Freshwaters are significant contributors of greenhouse gases to the atmosphere, including carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O). …”
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Study on the Establishment of the Gastropod Lymnaea stagnalis (Linné, 1758) as a Bio-sentinel to Monitor the Water Quality of North Algerian Rivers: Case of the El-Malah River by I. Benali, M. Bouderbala and N. Chèvre

“…These results allow us to propose this species as a model in the ecotoxicology of western Algerian freshwaters.…”
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STREAMS AND SALT-WATER SOURCES: ETHNOMANAGEMENT, CURRENT MANAGEMENT AND SALTSCAPE IN THE MOLDAVIAN AREA (CATCHMENTS OF SIRET AND PRUT, ROMANIA) by Gheorghe Romanescu, Donatella Carboni, Alin Mihu-Pintilie, Cristian C. Stoleriu, Vasile Efros

“…Paradoxically, the ethnomanagement of salt waters is a local success, while modern management must further develop in order to ensure a high quality of freshwaters. Soil salinity provides a unique landscape, with specific plants, animals and customs, known as saltscape. …”
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Using macroalgae to address UN Sustainable Development goals through CO2 remediation and improvement of the aquaculture environment by Kunshan Gao, John Beardall

“…Algae play a crucial role in providing the base of aquatic ecosystems, driving important biogeochemical cycles in oceans and freshwaters and, in so doing, act as a critical component for CO2 drawdown from the atmosphere and ameliorating global change. …”
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The Haber Bosch–harmful algal bloom (HB–HAB) link by Patricia M Glibert, Roxane Maranger, Daniel J Sobota, Lex Bouwman

“…There, in addition to increased use of urea and high N : P based fertilizers overall, escalating aquaculture production adds to the availability of reduced forms of N, as does atmospheric deposition of ammonia. HABs in both freshwaters and marginal seas in China are highly related to these overall changing N loads and ratios. …”
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The Role of Cyanobacterial External Layers in Mass Transfer: Evidence from Temperature Shock Experiments by Noninvasive Microtest Technology by Yan Xiao, Lingxin Liu, Zhe Li, Yuran Cheng

“…Groundwork on cyanobacterial external layers is crucial for an improved understanding of the persistent dominance of cyanobacteria in freshwaters. In this study, the role of two morphotypes of external layers in <i>Microcystis</i> and <i>Nostoc</i> in mass transfer and instantaneous temperature shock were explored by noninvasive microtest technology (NMT) after a series of pretreatments, to obtain the external layers retained or stripped samples. …”
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Transcriptomic Alterations in Water Flea (<i>Daphnia magna</i>) following Pravastatin Treatments: Insect Hormone Biosynthesis and Energy Metabolism by Yuan Lei, Jiahua Guo, Qiqi Chen, Jiezhang Mo, Yulu Tian, Hisato Iwata, Jinxi Song

“…Pravastatin, used for lowering cholesterol and further decreasing blood lipid, has been frequently detected in the contaminated freshwaters, whereas its long-term exposure effects on non-target aquatic invertebrates remains undetermined. …”
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Catchment properties as predictors of greenhouse gas concentrations across a gradient of boreal lakes by Nicolas Valiente, Nicolas Valiente, Alexander Eiler, Lina Allesson, Tom Andersen, François Clayer, Camille Crapart, Peter Dörsch, Laurent Fontaine, Jan Heuschele, Rolf D. Vogt, Jing Wei, Heleen A. de Wit, Heleen A. de Wit, Dag O. Hessen

“…Changes in acid rain deposition, climate, and catchment land use have increased lateral fluxes of terrestrial dissolved organic matter (DOM), resulting in a widespread browning of boreal freshwaters. This browning affects the aqueous communities and ecosystem processes, and boost emissions of the greenhouse gases (GHG) CH4, CO2, and N2O. …”
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Transcriptomic atlas for hypoxia and following re-oxygenation in Ancherythroculter nigrocauda heart and brain tissues: insights into gene expression, alternative splicing, and sign... by Jian Chen, Zhen Hu, Pei Li, Guiying Wang, Huijie Wei, Qing Li, Beide Fu, Yanhong Sun

“…Hypoxia is a mounting problem that affects the world’s freshwaters, with severe consequence for many species, including death and large economical loss. …”
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A Case Study of a <i>Prymnesium parvum</i> Harmful Algae Bloom in the Ohio River Drainage: Impact, Recovery and Potential for Future Invasions/Range Expansion by Kyle J. Hartman, David I. Wellman, Joseph W. Kingsbury, Daniel A. Cincotta, Janet L. Clayton, Kevin M. Eliason, Frank A. Jernejcic, Nathaniel V. Owens, Dustin M. Smith

“…Overall, about 4.5% of lotic systems appeared to have some level of risk of harboring <i>P. parvum</i>, making them at risk for potential golden algae blooms in the face of increasing salinization and eutrophication of freshwaters.…”
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