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      Reptiles of the Serra das Torres Natural Monument: using the Rapid Assessment method to fill a knowledge gap in the Atlantic Forest of southeastern Brazil Translated title: Répteis do Monumento Natural Serra das Torres: usando o método de avaliação rápida para preencher uma lacuna de conhecimento na mata atlântica do sudeste do Brasil

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          Abstract

          Abstract: Data on the composition of local reptile assemblages in several Brazilian ecosystems can still be considered relatively restricted in scope in most cases. In this study, we conducted surveys in the Serra das Torres Natural Monument, located in the municipalities of Atílio Vivacqua, Muqui, and Mimoso do Sul, using the Rapid Assessments method (RAP) during 30 days in the rainy season of 2018. We sampled actively for approximately 1320 hours with a 6-10 person crew, supplemented by 720 hours of passive sampling (30 bucket-days) using pitfall traps with drift fences. We recorded 34 reptile species during our sampling method (2 amphisbaenid, 11 lizards, and 21 snakes) and an occasional encounter, after the end of sampling, that added a chelonian species to the list, Hydromedusa maximiliani, totaling 35 reptile species. The Dipsadidae was the family with the greatest snake species richness and, the Gymnophtalmidae had the greatest lizard species richness. The species richness recorded in the Serra das Torres Natural Monument (Ntotal = 35) represents ca. 27% of all reptile species found in the state of Espírito Santo (N = 130). The most abundant lizard species was Leposoma scincoides followed by Ecpleopus gaudichaudii and, the most abundant snake species was Bothrops jararaca being markedly higher than that recorded in similar studies. Twenty-seven percent of the reptile species recorded in our study are endemic to the Atlantic Forest and 30% (N = 10) have been recorded less than five times previously in the Brazilian state of Espírito Santo. Our study reinforces the need for the conservation of the Serra das Torres Natural Monument because of its importance as a reservoir of a considerable portion of the reptile biodiversity of Espírito Santo state, and of the Atlantic Forest biome as a whole.

          Translated abstract

          Resumo: O conhecimento das assembleias de répteis para muitos ecossistemas no Brasil pode ser considerado ainda relativamente restrito. Neste estudo, nós realizamos amostragens no Monumento Natural Serra das Torres, localizado nos municípios de Atílio Vivacqua, Muqui e Mimoso do Sul, no estado do Espírito Santo, utilizando o método de avaliação rápida (RAP) durante 30 dias na estação chuvosa de 2018. Amostramos cerca de 1320 horas de busca ativa durante os períodos diurno e noturno, com uma equipe de 6 a 10 pessoas, suplementada por 720 horas de amostragem com armadilhas de queda com cercas guia (30 dias-balde). Registramos 34 espécies de répteis squamatas durante as amostragens (2 anfisbenídeo, 11 lagartos e 21 serpentes) e um encontro ocasional posterior que acrescentou uma espécie de quelônio à lista, Hydromedusa maximiliani, totalizando 35 espécies de répteis. Dipsadidae foi a família com a maior riqueza de serpentes, e Gymnophtalmidae foi a família com maior riqueza de lagartos. A riqueza de espécies que registramos no Monumento Natural Serra das Torres (Ntotal = 35) representa ca. 27% de todas as espécies de répteis encontradas no estado do Espírito Santo (N = 130). A espécie de lagarto mais abundante foi Leposoma scincoides seguido por Ecpleopus gaudichaudii, enquanto a espécie mais abundante de serpente foi a Bothrops jararaca, sendo marcadamente maior do aquela registradas em estudos similares. Vinte e sete por cento das espécies de registradas em nosso estudo são endêmicas da Mata Atlântica e trinta por cento das espécies (N = 10) tinham menos de cinco indivíduos registrados anteriormente no estado do Espírito Santo. Nosso estudo reforça a necessidade de conservação do Monumento Natural Serra das Torres devido à sua importância como reservatório de uma considerável parcela da biodiversidade de répteis do estado do Espírito Santo, bem como do bioma Mata Atlântica.

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          Identification of 100 fundamental ecological questions

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            Lizards of Brazilian Amazonia (Reptilia: Squamata)

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              Brazilian Atlantic Forest lato sensu: the most ancient Brazilian forest, and a biodiversity hotspot, is highly threatened by climate change

              After 500 years of exploitation and destruction, the Brazilian Atlantic Forest has been reduced to less the 8% of its original cover, and climate change may pose a new threat to the remnants of this biodiversity hotspot. In this study we used modelling techniques to determine present and future geographical distribution of 38 species of trees that are typical of the Brazilian Atlantic Forest (Mata Atlântica), considering two global warming scenarios. The optimistic scenario, based in a 0.5% increase in the concentration of CO2 in the atmosphere, predicts an increase of up to 2 °C in the Earth's average temperature; in the pessimistic scenario, based on a 1% increase in the concentration of CO2 in the atmosphere, temperature increase may reach 4 °C. Using these parameters, the occurrence points of the studied species registered in literature, the Genetic Algorithm for Rule-set Predictions/GARP and Maximum entropy modeling of species geographic distributions/MaxEnt we developed models of present and future possible occurrence of each species, considering Earth's mean temperature by 2050 with the optimistic and the pessimistic scenarios of CO2 emission. The results obtained show an alarming reduction in the area of possible occurrence of the species studied, as well as a shift towards southern areas of Brazil. Using GARP, on average, in the optimistic scenario this reduction is of 25% while in the pessimistic scenario it reaches 50%, and the species that will suffer the worst reduction in their possible area of occurrence are: Euterpe edulis, Mollinedia schottiana, Virola bicuhyba, Inga sessilis and Vochysia magnifica. Using MaxEnt, on average, in the optimistic scenario the reduction will be of 20% while in the pessimistic scenario it reaches 30%, and the species that will suffer the worst reduction are: Hyeronima alchorneoides, Schefflera angustissima, Andira fraxinifolia and the species of Myrtaceae studied.
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                Author and article information

                Journal
                bn
                Biota Neotropica
                Biota Neotrop.
                Instituto Virtual da Biodiversidade | BIOTA - FAPESP (Campinas, SP, Brazil )
                1676-0611
                2020
                : 20
                : 2
                : e20190726
                Affiliations
                [1] Rio de Janeiro Rio de Janeiro orgnameUniversidade do Estado do Rio de Janeiro orgdiv1Instituto de Biologia Roberto de Alcantara Gomes orgdiv2Departamento de Ecologia Brazil
                [3] Vitória ES orgnameFaculdades Integradas São Pedro - FAESA Brazil
                [2] Cachoeiro de Itapemirim orgnameCentro Universitário São Camilo Brazil
                Article
                S1676-06032020000200203 S1676-0603(20)02000200203
                10.1590/1676-0611-bn-2019-0726
                28211369-145e-40a4-8b04-628000ba20db

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 17 January 2019
                : 01 March 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 61, Pages: 0
                Product

                SciELO Brazil

                Categories
                Article

                Herpetofauna,Lagartos,Squamata,Amphisbaenia,Brazilian state of Espírito Santo,Serpentes,estado do Espírito Santo,Comunidade,Lizards,Community,Snakes

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