Brazilian Journal of Enviromnent
Open Access Journal
CiteScore
0.5
Indexada na
SCOPUS
QUALIS
B3
2017-2021
quadriênio
Open Access Journal
0.5
Indexada na
SCOPUS
B3
2017-2021
quadriênio
Tecnologias e Estudos Ambientais | Vol. 13 Issue 3 (2025)
Published in October 11, 2025
The reservoirs are of great importance to the home, because they play an important social and economic role. The aim of the study was to analyze the composition and abundance of rotifers in different regions of a reservoir in the Northeast of Brazil. The samples were taken in 2019 in three regions of the Reservatório do Rio Preto do Criciúma (BA) that differ in terms of the use of surrounding soil, the use of water for irrigation, as well as the presence of macrophytes. The variables were measured: depth, temperature and pH of the water, electrical conductivity, turbidity, preserved oxygen and total solids. 41 species of rotifers were found, strong as the most representative families Lecanidae and Brachionidae. There was a greater concentration of chlorophyll a and material in suspension in the region of Horticulture while the region of landfill presented the lowest values. The catchment region presented intermediate values between the Horticultura and Verteduro region. As the regions of the reservoir presented a difference in the composition of species. The parts of the reservoir differ from each other in terms of the composition of rotifer species, as well as the physical and chemical variables of the water. The changes in the use of soil in the area around the reservoir and the presence of banks of macrophytes in the regions of the catchment and horticulture sections caused the differences. Studies based on a larger number of sampling locations and during a longer period can reveal spatial and seasonal influences when environments have low or high volumes of water.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 2025 Tayná de Almeida Delgado, Natália dos Santos Mendes, Alan Cleber Santos da Silva, Paulo Barros de Abreu Júnior, Tatiane Mantovano, Fábio Amodêo Lansac-Tôha, Sérgio Luiz Sonoda
https://orcid.org/0000-0002-9776-6330