30 year review of the zooplankton in three conservation units on the Upper Paraná River, Brazil, with notes for stressors, flood pulse, and public politics

This review was based on the freshwater zooplankton studies carried out in the Integral Protection Conservation Unit Várzeas of Ivinhema River State Park, Ilha Grande National Park, and the Ilhas and Várzeas of Rio Paraná Protected Area in the Upper Paraná River, Brazil, from 1993 to 2023. The aims...

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Bibliographic Details
Published in:Hydrobiologia 2025-01, Vol.852 (1), p.23-42
Main Authors: Silva, João Vitor Fonseca da, Velho, Luiz Felipe Machado, Lansac-Tôha, Fabio Amodeo, Bonecker, Claudia Costa
Format: Article
Language:English
Subjects:
Aquatic crustaceans
Biodiversity
Biomedical and Life Sciences
Conservation
Ecology
Flood management
Freshwater
Freshwater & Marine Ecology
Inland water environment
Life Sciences
National parks
Parks & recreation areas
Plankton
Protected areas
Review Paper
Reviews
Rivers
Zoology
Zooplankton
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Summary:This review was based on the freshwater zooplankton studies carried out in the Integral Protection Conservation Unit Várzeas of Ivinhema River State Park, Ilha Grande National Park, and the Ilhas and Várzeas of Rio Paraná Protected Area in the Upper Paraná River, Brazil, from 1993 to 2023. The aims were (i) to gather information from these studies, (ii) to understand ecological advances, and (iii) to increase the knowledge of the zooplankton studies in this area. The results showed that most studies have investigated the groups of testate Amoebae, Copepoda, Cladocera, and Rotifera together, rather than just one community. Field studies were conducted more frequently and long-term surveys than other methods. We observed that estimates of the composition and diversity were the main measures used to investigate the changes in the structure of the zooplankton community. Functional diversity and beta diversity have been the primary attributes used in the studies, particularly since 2009, with both showing a positive trend in application over time. Thus, the review reinforced the importance of continued efforts and the importance of combining methodological approaches and multiple predictors to understand how zooplankton biodiversity changed in the conservation units over the years.
ISSN:0018-8158
1573-5117
DOI:10.1007/s10750-024-05703-2