2016
DOI: 10.7717/peerj.2605
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Environmental, land cover and land use constraints on the distributional patterns of anurans:Leptodacylusspecies (Anura, Leptodactylidae) from Dry Chaco

Abstract: Subtropical dry forests are among the most vulnerable biomes to land transformation at a global scale. Among them, the Dry Chaco suffers an accelerated change due to agriculture expansion and intensification. The Dry Chaco ecoregion is characterized by high levels of endemisms and species diversity, which are the result of a variety of climates and reliefs, allowing a wide variety of environments. The amphibian group exhibits a high richness in the Dry Chaco, which has been barely studied in relation to land c… Show more

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Cited by 19 publications
(18 citation statements)
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“…fuscus (Heyer, ) that are distributed throughout the Neotropics and the southern portion of the Nearctic region, from Texas to Argentina and certain Caribbean islands (Ponssa, ; de Sá et al, ). Leptodactylus species inhabit a wide variety of environments, from low‐land dense rainforest to open habitats (e.g., Savanna, Caatinga, Cerrado, Chaco, and Grasslands) (Ab'Sáber, ; Joly et al, ; de Sá et al, ), including environments disturbed by cattle ranching and agriculture (Medina et al, ). Reproductively, Leptodactylus can be divided into two distinct modes: (i) species closely tied to aquatic habitats that oviposit in foam nests on water (e.g., species of the L. latrans group); and (ii) species with terrestrial habits.…”
mentioning
confidence: 99%
“…fuscus (Heyer, ) that are distributed throughout the Neotropics and the southern portion of the Nearctic region, from Texas to Argentina and certain Caribbean islands (Ponssa, ; de Sá et al, ). Leptodactylus species inhabit a wide variety of environments, from low‐land dense rainforest to open habitats (e.g., Savanna, Caatinga, Cerrado, Chaco, and Grasslands) (Ab'Sáber, ; Joly et al, ; de Sá et al, ), including environments disturbed by cattle ranching and agriculture (Medina et al, ). Reproductively, Leptodactylus can be divided into two distinct modes: (i) species closely tied to aquatic habitats that oviposit in foam nests on water (e.g., species of the L. latrans group); and (ii) species with terrestrial habits.…”
mentioning
confidence: 99%
“…Comparing the spatial forecasts among the studied species, T. oeyou and T. oculaous showed less reduction of their potential future area than T. suquiensis, which presented high Recc values resulting in a major reduction of the potential future area. In addition, these findings support the theoretical framework which states that each species has its own niche area (Medina, Ponssa & Aráoz, 2016) and magnitude of response to potential changes in their Grinnellian niche (Colwell & Rangel, 2009;Soberón & Nakamura, 2009). Although the differences between the results may be due to possible sampling bias (Syfert, Smith & Coomes, 2013), the distribution employed here is the complete currently known for the genus.…”
Section: Discussionsupporting
confidence: 79%
“…Consideramos la región a modelar a aquella región geográficamente accesible para la especie a través de mecanismos de dispersión y en períodos de tiempo relevantes (Soberón & Peterson, 2005); ésta fue definida a partir de las localidades de aquellos ejemplares que fueron revisados y los registros obtenidos en la literatura (Affonso et al, 2014;Araújo et al, 2011;Batista & Bastos, 2014;Brassalotti et al, 2010;Borteiro et al, 2014;Conte & Rossa-Feres, 2006;Faivovich et al, 2005;Fish & Port, 2013;Langone & Carrizo, 1996;Lajmanovic & Faivovich, 1998;Leivas et al, 2018;Lescano et al, 2013;López & Nazer, 2009;Machado et al, 1999;Maffei et al, 2015;Maffei et al, 2011;Manzano et al, 2009;Marques Dias et al, 2013;Pombal & Haddad, 2005). Sobre todas las ecorregiones donde la especie fue registrada se aplicó un buffer de 0.1° siguiendo a Medina et al (2016).…”
Section: Construcción De Los Modelos De Distribución Potencialunclassified
“…La sensibilidad de los modelos fue estimada a través de los valores de umbral (threshold), esto es la probabilidad de que la especie pueda ocurrir en una celda específica, aquellos sitios que tienen valores superiores al umbral tienen condiciones apropiadas para la persistencia de la especie (Liu et al, 2005). La transformación en mapas binarios se realizó aplicando el valor mínimo recomendado por Anderson et al (2003) y Peterson et al (2008) minimizando así la tasa de comisión, es decir, define que el 95% de las presencias observadas se predicen como tales (Allouche et al, 2006;Medina et al, 2016).…”
Section: -68unclassified