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      Anuros da Estação Ecológica de Santa Bárbara, um remanescente de formações abertas de Cerrado no estado de São Paulo Translated title: Anurans of the Estação Ecológica de Santa Bárbara, a remnant of open Cerrado formations in the state of São Paulo

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          Abstract

          Apesar de São Paulo ser o estado do país que possui o maior conhecimento sobre sua fauna de anuros, ainda persistem consideráveis vazios amostrais, sobretudo nos remanescentes de Cerrado do estado. Somente 0,5% deste bioma encontram-se protegidos por unidades de conservação no estado e os fragmentos remanescentes sofrem ameaças que incluem o isolamento, risco de incêndios e invasão por espécies vegetais exóticas. Neste contexto, o objetivo deste estudo foi gerar informações sobre as espécies de anuros presentes na Estação Ecológica de Santa Bárbara, um dos poucos remanescentes com formações abertas de Cerrado da bacia hidrográfica do Médio Paranapanema. O levantamento das espécies foi realizado mensalmente entre outubro/2008 a março/2009, totalizando 30 dias de inventário. A amostragem foi realizada por meio de armadilhas de interceptação e queda, encontro ocasional, procura auditiva e procura visual. Registramos 33 espécies pertencentes a 14 gêneros e seis famílias (Bufonidae, Cycloramphidae, Hylidae, Leiuperidae, Leptodactylidae e Microhylidae). Embora a riqueza de espécies não tenha sido diferente entre as formações vegetais abertas e florestais, registrou-se uma maior abundância de anuros nas formações savânicas, refletindo a maior associação dos indivíduos aos corpos d'água presentes nas fitofisionomias abertas durante o período reprodutivo. Este estudo é uma importante contribuição para ampliar o conhecimento sobre a fauna de anuros no Cerrado, um doshotspots mundiais prioritários para a conservação biológica.

          Translated abstract

          Although São Paulo is the state with the most knowledge about anurans from Brazil, it still has important knowledge gaps about this group especially in the remnants of the Cerrado Biome. Only 0.5% of this biome is protected by conservation units in the state and remaining fragments suffer threats that include isolation, risk of fire and invasion by exotic plant species. The aim of this study was to obtain information on anurans species recorded at Estação Ecológica de Santa Bárbara, one of the few remnants in Middle Paranapanema river basin that has a predominance of open Cerrado formations. The inventory was conducted monthly from October/2008 to March/2009, totaling 30 sampling days. Surveys were conducted using pitfall traps with drift fences, incidental encounters and acoustic and visual searches. We recorded 33 anuran species, belonging to 14 genera and six families (Bufonidae, Cycloramphidae, Hylidae, Leiuperidae, Leptodactylidae e Microhylidae). Although species richness was not different between open and forest vegetation types, there was a greater abundance of anurans in the open formations, reflecting the largest association of individuals to water bodies present in open phytophysiognomies during the reproductive period. This research is an important contribution to expanding the knowledge about anurans species in the Cerrado, one of the priority global hotspots for biodiversity conservation.

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          Biogeographic Patterns and Conservation in the South American Cerrado: A Tropical Savanna Hotspot

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            Land cover mapping of the tropical savanna region in Brazil.

            The Brazilian tropical savanna (Cerrado), encompassing more than 204 million hectares in the central part of the country, is the second richest biome in Brazil in terms of biodiversity and presents high land use pressure. The objective of this study was to map the land cover of the Cerrado biome based on the segmentation and visual interpretation of 170 Landsat Enhanced Thematic Mapper Plus satellite scenes acquired in 2002. The following land cover classes were discriminated: grasslands, shrublands, forestlands, croplands, pasturelands, reforestations, urban areas, and mining areas. The results showed that the remnant natural vegetation is still covering about 61% of the biome, however, on a highly asymmetrical basis. While natural physiognomies comprise 90% of the northern part of the biome, only 15% are left in its southern portions. Shrublands were the dominant natural land cover class, while pasturelands were the dominant land use class in the Cerrado biome. The final Cerrado's land cover map confirmed the intensive land use pressure in this unique biome. This paper also showed that Landsat-like sensors can provide feasible land cover maps of Cerrado, although ancillary data are required to help image interpretation.
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              Amphibian Species of the World: An Online Reference. Version 6.0

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                bn
                Biota Neotropica
                Biota Neotrop.
                Instituto Virtual da Biodiversidade | BIOTA - FAPESP (Campinas )
                1676-0611
                September 2013
                : 13
                : 3
                : 230-240
                Affiliations
                [1 ] Seção de Animais Silvestres Brasil
                [2 ] Universidade Estadual de Campinas Brazil
                [3 ] Instituto Butantan Brazil
                Article
                S1676-06032013000300230
                10.1590/S1676-06032013000300026
                d864946d-2c02-42e4-b2e9-ab6744fa4f23

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1676-0603&lng=en
                Categories
                BIODIVERSITY CONSERVATION

                Animal science & Zoology
                anfíbios,Anura,conservação,inventário,Águas de Santa Bárbara,amphibians,conservation,inventory

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