Abstract
Abstract The Sete Cidades National Park is located in the Brazilian municipalities of Piracuruca and Brasileira, Piauí state, in a transitional zone between the Caatinga and Cerrado biomes. Studies on its herpetofauna were limited to anuran distribution notes and a snake checklist. Thus, here we present an unpublished species list of anurans from Sete Cidades National Park, Piauí state, northeastern Brazil. We recorded one of the two highest species richness for all northeastern National Parks, and also increased the geographic distribution of one species in the state of Piauí. Most species observed are common of both Caatinga and Cerrado biomes or have wide distribution in Brazil. The anuran assemblage of Sete Cidades National Park is more similar to those registered at the Delta do Parnaíba Environmental Protection Area, Ceará, Piauí and Maranhão states, and Ubajara National Park, Ceará state. These results increase our knowledge on anuran diversity in northeastern Brazil, providing basic information for management and conservation actions of an important Brazilian National Park.
Highlights
The Brazilian Conservation Units system has 73 National Parks (PARNAs), covering about 75 million hectares, almost 10% of the Brazilian territory (ICMBio 2016)
We conducted the study in Sete Cidades National Park (SCNP), located in the northern region of the state of Piauí, northeastern Brazil (04°05’‐ 04°15’S and 41°30’‐ 41°45’W, WGS84 datum, Figure 1)
We evaluate anuran species distribution and association with Brazilian biomes (IBGE 2019) from literature records (i.e. Roberto et al 2013, Andrade et al 2017, Araújo et al 2018, Frost 2020) and the amphibian conservation status is according to IUCN (2020)
Summary
The Brazilian Conservation Units system has 73 National Parks (PARNAs), covering about 75 million hectares, almost 10% of the Brazilian territory (ICMBio 2016). There are 20 National Parks in Northeastern Brazil, of which four (Serra da Capivara National Park – SCaNP, Sete Cidades National Park – SCNP, Serra das Confusões National Park – SCoNP and Nascentes do Rio Parnaíba National Park – NRPNP) are located in the state of Piauí (ICMBio 2016) These four national parks have a total area of approximately 11.817,46 km, representing about 4.7% of the state of Piauí, and present environments with characteristics of different biomes, forming a complex landscape with high biodiversity (Matos et al 2010). The ecotones or transitional zones in northeastern region of Brazil harbor rich anuran faunas, despite these areas having been studied only recently (e.g. Magalhães et al 2013, Silva et al 2013, Benício et al 2014, Dal Vechio et al 2016, Matavelli et al 2019) This diversity of contrasting environments from neighboring biomes likely allow the coexistence of high faunistic and floristic diversities that need to be studied further
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