Microcrustacean community structure is shaped by seasonality in a Brazilian semiarid reservoir

Reservoirs are ecologically important ecosystems. In the Brazilian semiarid region, these ecosystems are impacted by environmental changes resulting from the rainfall regime. Furthermore, the reservoirs boast a rich planktonic biodiversity, which is directly influenced by the ecological dynamics of...

Full description

Saved in:
Bibliographic Details
Published in:Journal of natural history 2024-06, Vol.58 (21-24), p.722-736
Main Authors: Cordeiro, Gustavo Ale da Silva, Do Nascimento, Whandenson Machado, Fernandes Alcantara, Carla Janes, da Silva, Caio Oliveira, Pinheiro, Allysson Pontes
Format: Article
Language:English
Subjects:
Biodiversity
Calanoida
Cladocera
Community structure
Cyclopoida
Dissolved oxygen
Dissolved solids
Electrical conductivity
Electrical resistivity
Environmental changes
Impact analysis
Rainfall
Rainy season
Reservoirs
Seasonal variations
Seasons
Semi arid areas
Semiarid lands
Total dissolved solids
water regime
Water temperature
Citations: Items that this one cites
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Reservoirs are ecologically important ecosystems. In the Brazilian semiarid region, these ecosystems are impacted by environmental changes resulting from the rainfall regime. Furthermore, the reservoirs boast a rich planktonic biodiversity, which is directly influenced by the ecological dynamics of each reservoir. Our aim was to analyse the impact of rapid changes between the dry and rainy seasons on the limnological variables in a Brazilian semiarid reservoir. Furthermore, we analysed the impact of this phenomenon on the microcrustacean community in the reservoir. We observed that the reservoir is significantly impacted by the region's rainfall regime. During the rainy season, the reservoir volume increases, resulting in higher pH and dissolved oxygen levels, and lower water temperature, electrical conductivity and total dissolved solids levels. The transition from the dry to the rainy season influenced the microcrustacean community. Our findings indicate that the transition from the dry to the rainy seasons in Brazilian semiarid region results in limnological changes in the reservoirs of this region. Furthermore, these changes also result in alterations to the microcrustacean community structure in these reservoirs.
ISSN:0022-2933
1464-5262
DOI:10.1080/00222933.2024.2348765