keyword
https://read.qxmd.com/read/38536999/occurrence-of-arbovirus-infections-in-two-riverine-populations-in-the-municipality-of-humait%C3%A3-amazonas-brazil
#1
JOURNAL ARTICLE
Jaqueline Carvalho de Oliveira Silva, Igor Rodrigo Ferreira Siqueira, Leormando Fortunato Dornelas, Cristhian Magalhães Ribeiro, João Pedro Berno Gomes, Iagor Wingenbah Guadagnin, Antonieta Relvas Pereira, Genimar Rebouças Julião, Juliana de Souza Almeida Aranha Camargo, Sergio Almeida Basano, Luís Marcelo Aranha Camargo
BACKGROUND: The riverine communities of the Amazon comprise different social groups that inhabit the rural areas on the banks of rivers and lakes. Residents usually travel by river to rural and urban areas and are then exposed to urbanized diseases such as those caused by arbovirus infection. In Brazil, emerging diseases such as dengue, Zika, chikungunya, and those caused by infection with Oropouche and Mayaro viruses necessitate epidemiological surveillance. This study was aimed at determining the frequency of positivity for immunoglobulin (Ig)G and IgM antibodies against Zika, chikungunya, and dengue viruses and performing molecular analyses to detect viral RNA for the Zika, chikungunya, dengue virus, Oropouche, and Mayaro viruses, in the same serum samples obtained from riverside populations...
2024: Revista da Sociedade Brasileira de Medicina Tropical
https://read.qxmd.com/read/38536974/distribution-of-benthic-macroinvertebrate-communities-in-different-kind-of-inland-water-bodies-in-northeastern-algeria
#2
JOURNAL ARTICLE
M Gharbi, N Ziane, A Baaloudj, P De Los Ríos-Escalante, C Esse, S Chaib, M Houhamdi
Benthic macroinvertebrates are integral parts of inland waters, inhabiting a diversity of aquatic ecosystems where communities are spatially structured. Macroinvertebrates of some Mediterranean regions such as North Africa are still not well studied. Due this reason we proposed study the community structure in water bodies located in Northeastern Algeria. For this objective, we sampled 12 different kind of water bodies, two dams, three rivers, and seven streams during the period from October 2020 to September 2021...
2024: Brazilian Journal of Biology
https://read.qxmd.com/read/38536931/compounding-effects-in-flood-drivers-challenge-estimates-of-extreme-river-floods
#3
JOURNAL ARTICLE
Shijie Jiang, Larisa Tarasova, Guo Yu, Jakob Zscheischler
Estimating river flood risks under climate change is challenging, largely due to the interacting and combined influences of various flood-generating drivers. However, a more detailed quantitative analysis of such compounding effects and the implications of their interplay remains underexplored on a large scale. Here, we use explainable machine learning to disentangle compounding effects between drivers and quantify their importance for different flood magnitudes across thousands of catchments worldwide. Our findings demonstrate the ubiquity of compounding effects in many floods...
March 29, 2024: Science Advances
https://read.qxmd.com/read/38536889/multilocus-sequence-typing-and-antibiotic-resistance-of-aeromonas-isolated-from-freshwater-fish-in-hebei-province
#4
JOURNAL ARTICLE
Zixiao Yu, Yunseok Oh, Songmi Kim, Kyudong Han, Kornsorn Srikulnath, Qingyang Li, Ji-Seok Jang, Ho-Seong Lee
Aeromonas spp. are the opportunistic pathogens that infect both aquatic and terrestrial homeotherms. They were commonly present in aquatic environments, including effluent, tap water, marine, river, and lake, where they are often isolated from aquatic animals, including fish, molluscs, and crustaceans. The Aeromonas infections can cause sepsis, ulcer, and other symptoms, resulting in the death of massive aquatic animals. Therefore, the prevention and control of Aeromonas is of great significance for the healthy development of aquaculture...
2024: PloS One
https://read.qxmd.com/read/38536572/ecological-river-health-assessments-based-on-fish-ordination-analysis-of-ecological-indicator-entities-and-the-biological-integrity-metrics-responding-to-the-chemical-water-pollution
#5
JOURNAL ARTICLE
Namsrai Jargal, Jeong-Eun Kim, Bilguun Ariunbold, Kwang-Guk An
Evaluation of the ecological health of rivers requires a focused examination of how biological indicators respond to chemical stressors to offer key insights for effective conservation strategies. We examined the influence of stressors on aquatic ecosystems by analyzing various ecological entities and biotic integrity metrics of fish communities. A nonmetric multidimensional scaling (NMDS) approach was applied to determine scores based on 19 fish ecological entities (FEs) and a fish-based multi-metric index of biotic integrity (mIBI-F)...
March 27, 2024: Environmental Science and Pollution Research International
https://read.qxmd.com/read/38535956/anomalous-gold-concentrations-in-hypersaline-wetland-sediments-laguna-honda-south-spain-caused-by-nanoparticles-used-in-agricultural-practices-environmental-transformation
#6
JOURNAL ARTICLE
Antonio Medina-Ruiz, Juan Jiménez-Millán, Isabel Abad, Rosario Jiménez-Espinosa
Illite-rich sediments from the Laguna Honda wetland, an eutrophicated hypersaline wetland with waters enriched in Mg and Ca surrounded by olive groves in the Guadalquivir Basin River (South Spain), are polluted by elevated concentrations of gold (up to 21.9 ppm) due to agricultural practices. The highest gold contents appear in the shore sediments of the lake, where up to 20 µm homoaggregates of fused gold nanoparticles (AuNp) are found. Small nanoaggregates of up to six fused gold nanoparticles and very few isolated nanoparticles around 1 nm in size can also be observed to form heteroaggregates of AuNp-mica, especially in the deeper sediments in the central part of the wetland, where Au concentrations are lower (up to 1...
March 18, 2024: Toxics
https://read.qxmd.com/read/38535946/riparian-soil-pollution-caused-by-sediment-metal-transport-seasonal-changes-and-ecological-risk-assessment
#7
JOURNAL ARTICLE
Ahmet Çelebi, Bülent Şengörür, Ali Torabi Haghighi, Ali Danandeh Mehr
The accumulation of pollutants in the sediment along surface water may negatively affect riparian zones and increase ecological risk. This article investigates the effects of metal sediments on riparian soil via field monitoring and ICP-OES analysis. To this end, pollution levels, seasonal changes, and potential sources of the pollutants were determined for the Melen River watershed, Turkey. The ecological statuses (contamination factor, enrichment factor, index of geo-accumulation, pollution index, modified pollution index, and potential and modified ecological risk indexes) of the watershed were also analyzed...
March 13, 2024: Toxics
https://read.qxmd.com/read/38535941/mercury-in-fish-and-human-hair-and-estimated-dietary-intake-in-a-riverside-community-of-the-madeira-river-basin-in-the-brazilian-amazon
#8
JOURNAL ARTICLE
Thayson Araujo Canela, Lucas Cabrera Monteiro, Cássio da Silva Cabral, Fábio da Silva Ximenes, Iuri Aparecida da Silva Oliveira, José Vicente Elias Bernardi, Ronaldo de Almeida, Wanderley Rodrigues Bastos
Mercury (Hg) is a chemical element that poses risks to human health due to its high toxicity and environmental persistence. We determined the total Hg (THg) and methyl Hg (MeHg) concentrations in hair samples from residents of the Demarcação District (Porto Velho, Rondônia) in the Brazilian Amazon, as well as in water and fish samples, to evaluate factors influencing human exposure. The average THg concentration in human hair was 7.86 ± 6.78 mg kg-1 and it was significantly higher in men, with an increasing trend related to age...
March 9, 2024: Toxics
https://read.qxmd.com/read/38535929/exploring-perfluoroalkyl-substances-pfass-in-aquatic-fauna-of-lake-trasimeno-italy-insights-from-a-low-anthropized-area
#9
JOURNAL ARTICLE
Tommaso Stecconi, Arianna Stramenga, Tamara Tavoloni, Simone Bacchiocchi, Martina Ciriaci, Francesco Griffoni, Paolo Palombo, Gianni Sagratini, Melania Siracusa, Arianna Piersanti
This study investigated the concentrations and profiles of 19 perfluoroalkyl substances (PFASs) in the muscle and liver of four freshwater species from Lake Trasimeno (Italy): Anguilla anguilla (European eel), Carassius auratus (goldfish), Perca fluviatilis (European perch), and Procambarus clarkii (red swamp crayfish). In livers, the amount of PFASs ranged from 3.1 to 10 µg kg-1 , significantly higher than that in muscle (0.032-1.7 µg kg-1 ). The predominant PFASs were perfluorooctane sulfonic acid (PFOS) and long-chain carboxylic acids (C8-C14)...
March 1, 2024: Toxics
https://read.qxmd.com/read/38535904/occurrence-source-apportionment-and-ecological-risk-of-typical-pharmaceuticals-in-surface-waters-of-beijing-china
#10
JOURNAL ARTICLE
Yonghao Huangfu, Qingshan Li, Weiwei Yang, Qingwei Bu, Lei Yang, Jianfeng Tang, Jie Gan
Various studies have shown that the heavy use of pharmaceuticals poses serious ecological risks, especially in metropolitan areas with intensive human activities. In this study, the spatial distribution, sources, and ecological risks of 29 pharmaceuticals in 82 surface waters collected from the North Canal Basin in Beijing were studied. The results showed that the pharmaceutical concentrations ranged from not detected to 193 ng/L, with ampicillin being undetected while ofloxacin had a 100% detection frequency, which indicates the widespread occurrence of pharmaceutical pollution in the North Canal Basin...
February 23, 2024: Toxics
https://read.qxmd.com/read/38535611/community-directed-vector-control-to-accelerate-onchocerciasis-elimination
#11
REVIEW
Benjamin Jacob, Edwin Michael, Thomas R Unnasch
Onchocerciasis, or river blindness, has historically been one of the most important causes of blindness worldwide, and a major cause of socio-economic disruption, particularly in sub-Saharan Africa. Its importance as a cause of morbidity and an impediment to economic development in some of the poorest countries in the world motivated the international community to implement several programs to control or eliminate this scourge. Initially, these involved reducing transmission of the causative agent Onchocerca volvulus through controlling the vector population...
March 21, 2024: Pathogens
https://read.qxmd.com/read/38535594/etiology-of-ulcerative-dermal-necrosis-udn-in-brown-trout-salmo-trutta-morpha-trutta-preliminary-results
#12
JOURNAL ARTICLE
Marek Matras, Magdalena Stachnik, Anna Kycko, Magdalena Wasiak, Ewa Paździor, Joanna Maj-Paluch, Ewa Borzym, Michał Reichert
Every year, ulcerative dermal necrosis (UDN) affects salmonids that spend most of their lives in the sea during their migration to the rivers of northern Poland to spawn. The clinical form of the disease manifests itself in ulcerative skin lesions, which lead to significant weakening of the fish and, in most cases, result in their death. This study was carried out on samples taken from sea trout in the Słupia River in northern Poland. In order to identify the pathogen, experiments on the transmission of the disease were carried out, and additional histopathological, microbiological and electron microscopic examinations were performed...
March 15, 2024: Pathogens
https://read.qxmd.com/read/38535588/canine-schistosomiasis-in-the-west-coast-heterobilharzia-americana-in-two-natural-intermediate-hosts-found-in-the-colorado-river-california
#13
JOURNAL ARTICLE
Anil Baniya, Connor J Goldy, Jiranun Ardpairin, Perla Achi, Yu Wei Chang, Rose C Adrianza, Apichat Vitta, Adler R Dillman
The emergence of infectious diseases presents a significant global health, economic, and security risk. Climate change can unexpectedly lead to the spread of pathogens, vectors, or hosts into new areas, contributing to the rise of infectious diseases. Surveillance plays a crucial role in monitoring disease trends and implementing control strategies. In this study, we document the first discovery of Heterobilharzia americana , a parasitic schistosome of mammals and its intermediate hosts Galba cubensis and Galba humilis along the banks of the Colorado River in California...
March 13, 2024: Pathogens
https://read.qxmd.com/read/38535402/odonata-assemblages-in-urban-semi-natural-wetlands
#14
JOURNAL ARTICLE
Marina Vilenica, Andreja Brigić, Ana Štih Koren, Toni Koren, Mirela Sertić Perić, Bruno Schmidt, Tomislava Bužan, Sanja Gottstein
As the human population in urban areas is continuously growing, urbanization is one of the greatest threats to biodiversity. To mitigate the negative effects, the inclusion of blue zones (aquatic habitats) in modern urban development practices is strongly recommended, as they could be beneficial for the local biodiversity conservation. Odonata are a flagship group and are widely used in freshwater conservation as ecological indicators of habitat integrity and health. However, our understanding of their ecological requirements in urban landscapes is not yet complete...
March 20, 2024: Insects
https://read.qxmd.com/read/38535344/response-of-chironomidae-diptera-to-ddt-mercury-and-arsenic-legacy-pollution-in-sediments-of-the-toce-river-northern-italy
#15
JOURNAL ARTICLE
Laura Marziali, Niccolò Pirola, Alfredo Schiavon, Bruno Rossaro
The Toce River (Northern Italy) is characterized by legacy contamination of dichloro-diphenyl-trichloroethane (DDT), mercury, and arsenic deriving from an industrial plant active between ca. 1915 and 1996. Chironomidae taxa assemblages and sediments were collected in 2014 and 2019 upstream and downstream of the industrial area to analyze species responses to toxic substances in a river stretch with relatively uniform natural (i.e., hydro-morphological) characteristics. A total of 32 chironomid taxa were identified...
February 22, 2024: Insects
https://read.qxmd.com/read/38534466/transcriptomic-and-metabolomic-analyses-reveal-the-response-mechanism-of-ophiopogon-japonicus-to-waterlogging-stress
#16
JOURNAL ARTICLE
Tingting Cheng, Xia Zhou, Juan Lin, Xianjian Zhou, Hongsu Wang, Tiezhu Chen
Ophiopogon japonicus , a plant that thrives in river alluvial dams, often faces waterlogging stress due to sustained rainfall and flood seasons, which significantly impacts its growth and development. Currently, the mechanisms of waterlogging tolerance in Ophiopogon japonicus are still unclear. This study analyzed the transcriptome and metabolome data for Ophiopogon japonicus in the Sichuan region (referred to as CMD) under varying degrees of waterlogging stress: mild, moderate, and severe. The results indicate that the group exposed to flooding stress exhibited a higher number of differentially expressed genes (DEGs) compared to the control group...
March 20, 2024: Biology
https://read.qxmd.com/read/38534432/molecular-evidence-reveals-taxonomic-uncertainties-and-cryptic-diversity-in-the-neotropical-catfish-of-the-genus-pimelodus-siluriformes-pimelodidae
#17
JOURNAL ARTICLE
Daniel Limeira Filho, Elidy Rayane de Rezende França, Dalton Kaynnan de Prado Costa, Renato Correia Lima, Maria Histelle Sousa do Nascimento, Jacqueline da Silva Batista, Maria Claudene Barros, Elmary da Costa Fraga
Pimelodus is the most speciose genus of the family Pimelodidae, and is amply distributed in the Neotropical region. The species-level taxonomy and phylogenetic relationships within this genus are still poorly resolved, however. These taxonomic problems and the general lack of data have generated major uncertainties with regard to the identification of specimens from different localities. In the present study, we applied a single-locus species delimitation approach to identify the MOTUs found within the genus Pimelodus and provide sound evidence for the evaluation of the species richness of this genus in the different river basins of the Neotropical region...
March 2, 2024: Biology
https://read.qxmd.com/read/38533659/relation-between-the-relative-abundance-and-collapse-of-aphanizomenon-flos-aquae-and-microbial-antagonism-in-upper-klamath-lake-oregon
#18
JOURNAL ARTICLE
J C Underwood, N C Hall, A C Mumford, R W Harvey, P A Bliznik, K M Jeanis
Aphanizomenon flos-aquae (AFA) is the dominant filamentous cyanobacterium that develops into blooms in Upper Klamath Lake, Oregon each year. During AFA bloom and collapse, ecosystem conditions for endangered Lost River and shortnose suckers deteriorate, thus motivating the need to identify processes that limit AFA abundance and decline. Here we investigate the relations between AFA and other members of the microbial community (photosynthetic and non-photosynthetic bacteria and archaea), how those relations impact abundance and collapse of AFA, and the types of microbial conditions that suppress AFA...
March 26, 2024: FEMS Microbiology Ecology
https://read.qxmd.com/read/38533110/dataset-of-a-study-about-the-impact-of-a-micro-sewage-effluent-on-the-benthic-macroinvertebrate-community-in-a-small-apennine-creek-nw-italy
#19
JOURNAL ARTICLE
Giorgia Ercole, Anna Marino, Stefano Fenoglio, Serena Rasconi, Tiziano Bo
Concerning the impact of organic contamination, most studies focus on the main river courses, which are affected by large wastewater plants and intensively urbanized areas, while a large part of a river's catchment area is made up of small streams flowing through rural or forested areas. As a result, the impact of even small sources of organic load on small systems is often not analysed. This study investigated the impact of a small sewage source on the aquatic environment of the Caramagna Creek (NW Italy)...
April 2024: Data in Brief
https://read.qxmd.com/read/38532065/multi-criteria-decision-analysis-framework-for-engaging-stakeholders-in-river-pollution-risk-management
#20
JOURNAL ARTICLE
Zesizwe Ngubane, Viktor Bergion, Bloodless Dzwairo, Thor Axel Stenström, Ekaterina Sokolova
Water pollution presents a substantial environmental challenge with extensive implications for water resources, ecosystem sustainability, and human health. Using a South African catchment, this study aimed to provide watershed managers with a framework for selecting best management practices (BMPs) to reduce pollution and the related risk to river users, while also including the perspectives of key catchment stakeholders. The framework encompassed the identification of and consultation with key stakeholders within the catchment...
March 26, 2024: Scientific Reports
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