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      Influence of habitat heterogeneity on anuran diversity in Restinga landscapes of the Parnaíba River delta, northeastern Brazil

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          Abstract

          Abstract

          Anurans have close associations with environmental conditions and therefore represent an interesting vertebrate group for examining how resource availability and environmental variables influence species diversity. Associations between habitat heterogeneity and anuran species diversity were tested in the Restinga landscapes of the Parnaíba River delta in northeastern Brazil. Twenty-one anuran species were sampled in the rainy season during monthly excursions (December 2015 to June 2016) into areas of Restinga on two islands in the Parnaíba River delta. The fourth highest anuran diversity was found in this type of environment in Brazil and is the third in northeastern Brazil. Microenvironments, characterized by a combination of vernal pools with different vegetational and physical structures, better explained anuran species composition in the Parnaíba River delta.

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          Most cited references 61

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          A General Hypothesis of Species Diversity

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            On Bird Species Diversity

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              Latitudinal Gradients in Species Diversity: A Review of Concepts

               Eric Pianka (1966)
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                Author and article information

                Journal
                Zookeys
                Zookeys
                ZooKeys
                ZooKeys
                Pensoft Publishers
                1313-2989
                1313-2970
                2018
                10 May 2018
                : 757
                : 69-83
                Affiliations
                [1 ] Programa de Pós-Graduação em Ecologia e Recursos Naturais, Bloco 902, Centro de Ciências, Universidade Federal do Ceará – UFC, Campus do PICI, Av. Humberto Monte, s/n, 60455-760 Fortaleza, Ceará, Brazil
                [2 ] Programa de Pós-Graduação em Bioprospecção Molecular, Universidade Regional do Cariri, Campus do Pimenta, Rua Cel. Antônio Luiz, 1161, Bairro do Pimenta, 63105-000, Crato, Ceará, Brazil
                [3 ] Curso de Ciências Biológicas, Centro de Ciências do Mar, Universidade Federal do Piauí – UFPI, Campus Ministro Reis Veloso, Av. São Sebastião, 2819, Planalto Horizonte, 64202-020, Parnaíba, Piauí, Brazil
                Author notes
                Corresponding author: Kássio C. Araújo ( kassio.ufpi@ 123456gmail.com )

                Academic editor: A. Crottini

                Article
                10.3897/zookeys.757.21900
                5958178
                29780267
                Kássio C. Araújo, Anderson Guzzi, Robson W. Ávila

                This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                Categories
                Research Article
                Amphibia
                Animalia
                Anura
                Chordata
                Vertebrata
                Biodiversity & Conservation
                Ecology & Environmental sciences
                Habitats
                ecosystems & natural spaces
                Cenozoic
                Americas
                Brazil
                South America

                Animal science & Zoology

                parnaíba river delta, amphibians, heterogeneity

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