Results 111 to 120 of about 222 (138)

Description of two new genera and seven new species of Plexippina Simon, 1901 (Araneae, Salticidae, Plexippini) from Southwest China, with a review of <i>Yaginumaella</i> Prószyński, 1979. [PDF]

Zookeys
Wang C, Wang Y, Mi X, Li S.
europepmc   +1 more source

Spatiotemporal evolution and Sustainably comprehensive zoning optimization of production-living-ecological functions in the Mountain-Flatland areas. [PDF]

Heliyon
Li Y, Zhang S, Zhao J, Zhang G, Qu G, Ma S, Liu X.   +6 more
europepmc   +1 more source

Plant Growth-Promoting Bacteria from Tropical Soils: In Vitro Assessment of Functional Traits. [PDF]

Microorganisms
Nunes JF, da Silva MSRA, de Oliveira NFR, de Souza CR, Arcenio FS, de Lima BAT, Coelho IS, Zonta E.   +7 more
europepmc   +1 more source

Polystyrene nanoplastics disrupt epididymal initial segment by perturbing NK cell differentiation and epithelial homeostasis. [PDF]

J Nanobiotechnology
Chen T, Luan J, Jiang T, Tian L, Li X, Yao L, Zhao C, Li P, Song N.   +8 more
europepmc   +1 more source

Climate and urbanization drive changes in the habitat suitability of Schistosoma mansoni competent snails in Brazil. [PDF]

Nat Commun
Glidden CK, Singleton AL, Chamberlin A, Tuan R, Palasio RGS, Caldeira RL, Monteiro AMV, Lwiza KMM, Liu P, Silva V, Athni TS, Sokolow SH, Mordecai EA, De Leo GA.   +13 more
europepmc   +1 more source

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Risk of Collapse in Water Quality in the Guandu River (Rio de Janeiro, Brazil)

Microbial Ecology, 2021
The Guandu River, one of the main rivers in the state of Rio de Janeiro, provides water for more than nine million people in the metropolitan region. However, the Guandu has suffered from massive domestic and industrial pollution for more than two decades, leading to high levels of dissolved total phosphorus, cyanobacteria, and enteric bacteria ...
Gizele Garcia, Carlos E de Rezende, Cristiane C Thompson   +2 more
exaly   +3 more sources

Determination of Fipronil and Fipronil-Sulfone in Surface Waters of the Guandu River Basin by High-Performance Liquid Chromatography with Mass Spectrometry

Bulletin of Environmental Contamination and Toxicology, 2021
Fipronil (FIP) is a broad-spectrum insecticide used in the industrial, residential and agricultural sectors, which presents environmental and human health risks. Studies report its presence in aquatic environments in several countries, but in Brazil reports are scarce.
Glauco F Bauerfeldt, Rosane Nora Castro, Viviane S Magalhães   +2 more
exaly   +3 more sources

Induced alkoxyresorufin-O-dealkylases in tilapias (Oreochromis niloticus) from Guandu river, Rio de Janeiro, Brazil

Chemosphere, 2004
The activity of fish monooxygenases has been extensively used as a monitoring tool to detect contamination of water bodies by cytochrome P450-inducing agents. In this study we evaluated the activities of ethoxy- (EROD), methoxy- (MROD) and pentoxy- (PROD) resorufin-O-dealkylases in the liver of Nile tilapias (Oreochromis niloticus) collected at the ...
Thiago Estevam Parente, Ana C A X De-Oliveira, Francisco Gerson Araujo   +2 more
exaly   +3 more sources

Induced cytochrome P450 1A activity in cichlid fishes from Guandu River and Jacarepaguá Lake, Rio de Janeiro, Brazil

Environmental Pollution, 2008
The induction of cytochrome P4501A-mediated activity (e.g. ethoxyresorufin-O-deethylation, EROD) has been used as a biomarker for monitoring fish exposure to AhR-receptor ligands such as polycyclic aromatic hydrocarbons (PAH), polychlorinated biphenyls (PCB) and polychlorinated dibenzo-dioxins/furans (PCDD/Fs).
Thiago Estevam Parente, Ana C A X De-Oliveira, Francisco J R Paumgartten   +2 more
exaly   +3 more sources

Heavy metal concentrations and availability in the bottom sediments of the Paraiba do Sul‐Guandu river system, RJ, Brazil

Environmental Technology Letters, 1989
Abstract Metal concentrations were determined in bottom sediments from the River Paralba do Sul‐Guandu, (PSR‐GR), an important social and industrialized ecosystem, to evaluate the degree of pollution impact in comparison with other contaminated water bodies and to provide a better understanding of the availability of the metals to biological cycles and
W C Pfeiffer, M Fiszman
exaly   +2 more sources