Aquatic Insects Associated with Submerged Macrophytes with Different Morphological Complexities
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Published:
Jan 10, 2013
Keywords:
Aquatic entomofauna, Hydrophytes, Lotic system, Low order stream. Entomofauna aquática, Hidrófitas, Sistema lótico, Córrego de baixa ordem.
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Abstract
The aim of the study was to analyze the diversity and community structure of aquatic insects associated with species of submersed macrophytes with different morphological complexity in relation to leaf structure. Sampling occurred in raining and dry periods at Ribeirão das Anhumas, Américo Brasiliense/SP. Four macrophytes were analyzed: Vallisneria sp., Eleocharis sp., Egeria najas and Ottelia sp. The entomological community was identified up to the family level, and at tribe level for Chironomidae. The community structure was analyzed using diversity indices of Simpson, Equitability evenness, relative participation of functional category and taxa dominance. The dispersion of faunal composition between the different collection periods was analyzed using a n-MDS with Morisita index. The structure of the insect community associated with macrophytes with different structural morphologies was analyzed using structural similarity calculated by the Bray-Curtis index. Seventeen families were identified from five orders, a total of 1642 specimens. The family Hydropsychidae (Trichoptera) presented eudominance (52.6%), followed by the tribe Pentaneurini (Chironomidae) (13.8%) and family Trichoryithidae (Ephemeroptera) (10%). The results showed that there were no large diversity variations in the analyzed macrophyte species and the sampling periods. The predator and collector functional groups were predominant. The n-MDS analysis indicated the absence of seasonal variation and, the similarity analysis indicated that macrophyte E. najas and Otellia sp., presented similar fauna structure, differing from other analyzed species. The results demonstrated that the morphological structure of macrophytes may have different structures of aquatic insect communities.
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How to Cite
Peiró, D. F., Saulino, H. H., Gorni, G. R., Corbi, J. J., Vante, A. P., & Amaral, G. (2013). Aquatic Insects Associated with Submerged Macrophytes with Different Morphological Complexities. Revista Brasileira Multidisciplinar, 16(1), 133-144. https://doi.org/10.25061/2527-2675/ReBraM/2013.v16i1.51
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Authors retain the copyright and grant the journal the right of first publication, with the work simultaneously licensed under the Creative Commons Attribution License, which allows the sharing of work with acknowledgment of authorship and initial publication in this journal.
Authors are authorized to take additional contracts separately, for non-exclusive distribution of the version of the work published in this journal (eg publish in institutional repository or as book chapter), with acknowledgment of authorship and initial publication in this journal.
Authors are allowed and encouraged to publish and distribute their work online (eg in institutional repositories or on their personal page) at any point before or during the editorial process, as this can generate productive changes as well as increase the impact and citation of the published work (See The Effect of Free Access) at http://opcit.eprints.org/oacitation-biblio.html
