Ecotoxicology and geostatistical techniques employed in subtropical reservoirs sediments after decades of copper sulfate application

IE Biamont-Rojas, S Cardoso-Silva… - Environmental …, 2023 - Springer
Spatial distribution linked to geostatistical techniques contributes to sum up information into
an easier-to-comprehend knowledge. This study compares copper spatial distribution in …

Self‐organizing maps for evaluation of biogeochemical processes and temporal variations in water quality of subtropical reservoirs

DS Melo, ESJ Gontijo, D Frascareli… - Water Resources …, 2019 - Wiley Online Library
Water quality in reservoirs is often compromised in many regions worldwide by nutrients and
trace metals. This demands continuous monitoring; however, analyses of large data sets …

Permanent occurrence of Raphidiopsis raciborskii and cyanotoxins in a subtropical reservoir polluted by domestic effluents (Itupararanga reservoir, São Paulo, Brazil)

L dos Santos Machado, F Dörr, FA Dörr… - … Science and Pollution …, 2022 - Springer
Toxic cyanobacteria blooms are a frequent problem in subtropical reservoirs and freshwater
systems. The purpose of this study was to investigate the occurrence of potentially toxic …

Future projections of water level and thermal regime changes of a multipurpose subtropical reservoir (Sao Paulo, Brazil)

CC Barbosa, M do Carmo Calijuri… - Science of The Total …, 2021 - Elsevier
The increase in global air temperatures as well as variability in rainfall shifts due to climate
change has been affecting the dynamics of water level fluctuations and thermal regimes in …

Trophic state evolution over 15 years in a tropical reservoir with low nitrogen concentrations and cyanobacteria predominance

FG de Souza Beghelli, D Frascareli… - Water, Air, & Soil …, 2016 - Springer
Anthropic eutrophication is one of the most widespread problems affecting water quality
worldwide. This condition is caused by excessive nutrient inputs to aquatic systems, and one …

Land use, spatial heterogeneity of organic matter, granulometric fractions and metal complexation in reservoir sediments

TFG Martins, KS Ferreira, B Rani-Borges… - Acta Limnologica …, 2021 - SciELO Brasil
Aim This study aimed to evaluate land use, distribution of particle size fractions, organic
matter (OM) and perform a metal quantification liable to complexation in the Itupararanga …

Heterogeneidade espacial e temporal de variáveis limnológicas no reservatório de Itupararanga associadas com o uso do solo na Bacia do Alto Sorocaba-SP

D Frascareli, FGS Beghelli, SC Silva… - Revista Ambiente & …, 2015 - SciELO Brasil
Dentre as diversas atividades desenvolvidas no entorno de corpos de água, a poluição por
agroquímicos eo lançamento de efluentes acarretam a carga excessiva de nutrientes que …

[HTML][HTML] Influence of environmental factors on occurrence of cyanobacteria and abundance of saxitoxin-producing cyanobacteria in a subtropical drinking water …

MAB Moraes, RAM Rodrigues, L Schlüter, R Podduturi… - Water, 2021 - mdpi.com
Blooms of cyanobacteria are frequent in Brazilian water reservoirs used for drinking water.
The warning for the presence of potential toxin-producing cyanobacteria is typically based …

Biomonitoring of surface water quality in the Chopim River within the Conservation Unit Campos de Palmas Wildlife Refuge, southern Brazil

DL Schutz, IG de Marco, GL Alves, JVA Vincoski… - Environmental …, 2021 - Springer
Abstract The Campos de Palmas Wildlife Refuge (RVS-CP) is a full protection conservation
unit (CU) formed by private properties. The present study aimed to use the bioindicators …

[HTML][HTML] Can a one-sampling campaign produce robust results for water quality monitoring? A case of study in Itupararanga reservoir, SP, Brazil

FGS Beghelli, MLM Pompêo, M Páscoli… - Acta Limnologica …, 2016 - SciELO Brasil
Aim: The aim of this study was to conduct a rapid and comprehensive analysis of the
reservoir using physical, chemical and biological variables comprising water and sediment …