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Association of body size and behavior of freshwater ostracods (Crustacea, Ostracoda) with aquatic macrophytes

Authors
  • Matsuda, Juliana Tiemi1
  • Lansac-Tôha, Fábio Amodêo2
  • Martens, Koen3, 4
  • Velho, Luiz Felipe Machado2
  • Mormul, Roger Paulo2
  • Higuti, Janet2
  • 1 Universidade Estadual de Maringá, Programa de Pós-Graduação em Ecologia de Ambientes Aquáticos Continentais, Av. Colombo, 5790, Maringá, PR, CEP 87020-900, Brazil , Maringá (Brazil)
  • 2 Universidade Estadual de Maringá, Programa de Pós-Graduação em Ecologia de Ambientes Aquáticos Continentais, Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura, Av. Colombo, 5790, Maringá, PR, CEP 87020-900, Brazil , Maringá (Brazil)
  • 3 Royal Belgian Institute of Natural Sciences, OD ‘Nature’, Freshwater Biology, Vautierstraat 29, Brussels, 1000, Belgium , Brussels (Belgium)
  • 4 University of Ghent, Department of Biology, K.L. Ledeganckstraat 35, Ghent, 9000, Belgium , Ghent (Belgium)
Type
Published Article
Journal
Aquatic Ecology
Publisher
Springer-Verlag
Publication Date
Jun 17, 2015
Volume
49
Issue
3
Pages
321–331
Identifiers
DOI: 10.1007/s10452-015-9527-2
Source
Springer Nature
Keywords
License
Yellow

Abstract

In aquatic systems, macrophytes play an important role in habitat structuring and can be relevant for the establishment and/or mobility of the organisms and might thus influence species composition. This study evaluates the influence of the structural complexity of aquatic plants on the community composition of Ostracoda in the upper Paraná River floodplain. We tested the hypothesis that non-swimming and small-sized species have a higher association with more complex plants by a threshold indicator taxa analysis. Some small and non-swimming ostracod species had a significant affinity for macrophytes with higher complexity, especially Eichhornia crassipes. However, most species did not show an association with the structure of aquatic macrophytes, and there was only a slightly distinction among the communities of different plants. The results show that structural complexity is in some cases an important determining factor for the community composition of Ostracoda, but other factors may interact with and even override the effects of complexity. It can thus be concluded that the relation between habitat complexity and the Ostracoda community composition is complex and not always responds to general predictions.

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