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Dragonflies (Odonata) in Subtropical Atlantic Forest fragments in Rio Grande do Sul, Brazil: seasonal diversity and composition
Ecologia e Sensoriamento Remoto, Centro Universitário Univates, Lajeado-RS, Brazil.
Ecologia e Sensoriamento Remoto, Centro Universitário Univates, Lajeado-RS, Brazil.
Halmstad University, School of Business, Engineering and Science, Biological and Environmental Systems (BLESS).
2013 (English)In: Scientia Plena, ISSN 1808-2793, Vol. 9, no 1, 012401Article in journal (Other academic) Published
Abstract [en]

One of the most endangered ecosystems in America is the Atlantic Forest, which demands emergency actions to protect its remnants as well its biodiversity. In this situation the species inventory can develop a management role for the future, determining specific areas that should be preserved as well the species composition and richness can be used as an indicator of a healthy ecosystem. The use of dragonfly species composition has proven its potential indication of quality habitats. The Odonata species actually still poorly known in the Neotropical region and has never been used as a tool to analyze the actual conditions of aquatic environments particularly in the Subtropical Atlantic Forest, which occurs in south of Brazil. A systematic survey was carried out in aquatic systems located at remnants of forest from March 2011 to February 2012. A total of 565 specimens belonging to 34 species, distributed in 5 families were sampled. Libellulidae was dominant, with 14 species, followed by Coenagrionidae, Gomphidae, Lestidae and Aeshnidae. Through inventory survey we deepen the Odonata composition knowledge and performed a statistic analysis.

Abstract [pt]

A Floresta Atlântica é um dos mais ameaçados ecossistemas da América do Sul, o qual demanda ações emergenciais para a proteção de seus remanescentes bem como a sua biodiversidade. Nessa situação, inventariamentos de espécies podem desenvolver um importante papel para o futuro, determinando áreas específicas que devem ser protegidas, bem como a composição e riqueza de espécies pode ser usada como indicador de um sistema saudável. Atualmente as espécies da Ordem Odonata da região Neotropical continuam pouco conhecidas e jamais foram utilizadas como ferramenta de análise de ambientes aquáticos particularmente na Floresta Atlântica Subtropical, presente na região Sul do Brasil. Uma pesquisa sistemática foi realizada em sistemas aquáticos de fragmentos florestais entre Março de 2011 e Fevereiro de 2012. Um total de 565 espécimes, pertencendo a 34 espécies, distribuidas em 5 famílias foram amostrados. Libellulidae foi dominante, com 14 espécies, seguida de Coenagrionidae, Gomphidae, Lestidae e Aeshnidae. Através deste inventário foi aprofundado o conhecimento sobre a composição de Odonata e desenvolvida uma análise estatística.

Place, publisher, year, edition, pages
Itabaiana, Sergipe Brazil: Associacao Sergipana de Ciencias , 2013. Vol. 9, no 1, 012401
Keyword [en]
Entomology, Ecology, species richness
National Category
Ecology
Identifiers
URN: urn:nbn:se:hh:diva-25122OAI: oai:DiVA.org:hh-25122DiVA: diva2:713079
Note

Alternative title: Libélulas (Odonata) em subtropicais fragmentos de Mata Atlântica no Rio Grande do Sul, Brasil: diversidade sazonal e composição

Available from: 2014-04-19 Created: 2014-04-19 Last updated: 2017-04-03Bibliographically approved

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