Distribution extension of Hypsiboas curupi Garcia, Faivovich &amp;amp; Haddad, 2007 (Amphibia: Anura: Hylidae) for Rio Grande do Sul, southern Brazil

Fontana, Rodrigo Barbosa; Sangalli, Laís; Zanella, Noeli

doi:10.15560/13.1.2044

Cited by 2 publications

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References 4 publications

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“…For many amphibian species, in fact, the presence of specific reproductive habitats may be the primary determinant of the occurrence of a species at a given site, irrespective of the other habitats available in the area (Zimmerman & Bierregaard 1986). Boana curupi, which is also endangered, is typically found in forested vegetation at the margins of shallow streams (Garcia et al 2007, Iop et al 2009, Lucas & Garcia 2011, Fontana et al 2017, and in the present study, it was found vocalizing in a marsh, in an open area near the study forest.…”

Section: Discussionmentioning

confidence: 49%

Anurans of a remnant of Mixed Rainforest in southern Brazil

et al. 2020

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The Brazilian Atlantic Forest is one of the world’s most biodiverse biomes, with large numbers of endemic and threatened species. However, this biome has suffered extensive deforestation and habitat fragmentation, with a drastic reduction of its original vegetation cover. The compilation of data on the occurrence patterns of anurans and their natural history is important for the development of effective conservation strategies. Here, we present the results of a survey of the anuran fauna of Parque Estadual do Papagaio Charão (PEPC) in Rio Grande do Sul state, southern Brazil, providing information on species endemism, conservation status, and reproductive modes. We collected data on the local anurans between March 2018 and February 2019 using active searches and pitfall traps. We recorded 26 anuran species distributed in seven families, with eight different reproductive modes. The largest number of species (20) was found at the forest edge, followed by the interior of the forest and open area, each with 16 species. The most abundant species were Leptodactylus plaumanni (41.7% of records), Physalaemus cuvieri (27.1%), and P. carrizorum (16.5%). Greater species richness and abundance were recorded during the rainier months, while temperature influenced only the abundance of the anurans. Rhinella henseli, Rhinella icterica, Vitreorana uranoscopa, Aplastodiscus perviridis, Boana curupi, Boana leptolineata and Proceratophrys brauni are all endemic to the Atlantic Forest. Melanophryniscus devincenzii is classified as Endangered by the IUCN, and Proceratophrys bigibbosa as Near Threatened. Boana curupi is considered to be Endangered in Rio Grande do Sul state, and Vulnerable in Brazil, while V. uranoscopa is Near Threatened in Rio Grande do Sul. Our findings emphasize the importance of protected areas, such as the PEPC, for the maintenance of anuran populations and communities in the Mixed Rainforest formations of southern Brazil.

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Section: Discussionmentioning

confidence: 49%

Anurans of a remnant of Mixed Rainforest in southern Brazil

et al. 2020

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Forest cover influences chytrid infections in populations of Boana curupi, a threatened treefrog of south Brazil

et al. 2021

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Complex interactions among hosts, pathogens, and the environment affect the vulnerability of amphibians to the emergence of infectious diseases such as chytridiomycosis, caused by Batrachochytrium dendrobatidis (Bd). Boana curupi is a forest-dwelling amphibian endemic to the southern Atlantic Forest of South America, a severely fragmented region. Here, we evaluated whether abiotic factors (including air and water temperature, relative air humidity, and landscape) are correlated with chytrid infection intensity and prevalence in B. curupi. We found individuals infected with Bd in all populations sampled. Prevalence ranged from 25-86%, and the infection burden ranged from 1 to over 130000 zoospore genomic equivalents (g.e.) (mean ± SD: 4913 ± 18081 g.e.). The infection load differed among populations and was influenced by forest cover at scales of 100, 500, and 1000 m, with the highest infection rates recorded in areas with a higher proportion of forest cover. Our results suggest that the fungus is widely distributed in the populations of B. curupi in southern Brazil. Population and disease monitoring are necessary to better understand the relationships between host, pathogen, and environment, especially when, as in the case of B. curupi, threatened species are involved.

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Distribution extension of Hypsiboas curupi Garcia, Faivovich & Haddad, 2007 (Amphibia: Anura: Hylidae) for Rio Grande do Sul, southern Brazil

Abstract: Hypsiboas curupi Garcia, Faivovich & Haddad, 2007 is a threatened species usually found along streams in the Atlantic Forest of Argentina, Paraguay, and Brazil. We report a new record of this species, expanding its distribution to the municipality of Casca in Rio Grande do Sul, Brazil.

Cited by 2 publications

References 4 publications

Anurans of a remnant of Mixed Rainforest in southern Brazil

Anurans of a remnant of Mixed Rainforest in southern Brazil

Forest cover influences chytrid infections in populations of Boana curupi, a threatened treefrog of south Brazil

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