Amphibians of the northern coast of the state of Paraná, Brazil (original) (raw)
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We present an anuran inventory of the mountain region of the Serra do Mar, Brazil, located in the Atlantic Forest biome. We conducted a fieldwork comprising the major and best well-preserved Atlantic Forest remnants from Brazil, using acoustic and visual nocturnal/diurnal assessments. In total, we recorded 99 anuran species, of which about 70% are endemic to the Atlantic Forest and represent around 20% of all amphibian species described for this biome. The high levels of endemism, the distribution patters and the conservation status of the anuran species turn the mountains of the Serra do Mar into a key conservation region for amphibians within the Atlantic Forest hotspot.
Anurans of the municipality of Barão de Monte Alto, state of Minas Gerais, southeastern Brazil
We present a list of the anuran amphibians from municipality of Barão de Monte Alto, state of Minas Gerais, southeastern Brazil. This region is part of the remaining Atlantic Forest and the studied environments are represented by forest patches and open habitats. We recorded 29 anuran species, many of these typical and/or endemic to the Atlantic Forest. None of the species registered was considered under threat of extinction in state, national or international red-lists. It is worth noting, however, the presence of the tree frogs Dendropsophus pseudomeridianus, the first record of this species in the state of Minas Gerais, and D. bipunctatus, marking its expanded distribution in various locations of Minas Gerais. The present list examines zoogeography and conservation of anurans in the Brazilian southeast and broadens the knowledge of the anuran fauna in this region.
Anurans of the Agudos and Jaú municipalities, state of São Paulo, Southeastern Brazil
We present a list of amphibian species from the Agudos and Jaú municipalities, a Midwest region of São Paulo state, Brazil. The 26 species recorded exhibited a strong seasonality, with their reproductive periods concentrated in the rainiest months (October and December). Most of the species (88%) are generalists and typically associated with open areas. Although none of the species to be associated exclusively forest environments, the occurrence of some species (12%) depends on the proximity of water bodies for environments with forest formation. Thus, the presence of riparian forest fragments near water bodies is essential for some populations, as these sites are refuge for some species.
Anurans from a Cerrado-Atlantic Forest ecotone in Campos Gerais region, southern Brazil., 2014
Knowledge of the richness and distribution of anurans living in ecotone regions is still incipient, especially in transition zones between threatened phytogeographic areas like the Cerrado and the Atlantic Forest. This study presents a checklist of anuran amphibians in an ecotone (Cerrado-Atlantic Forest) in the Campos Gerais, Paraná State, Brazil. Samplings were conducted in 66 water bodies (ponds) between October 2012 and March 2013. We identified 42 anuran species, six of them in larval stage only and eight of them in adult stage only. The anurofauna accounted for 21.05% of the species registered for the Cerrado and 9.58% of the species found in the Atlantic Forest. Four species are endemic to the Cerrado and eight to the Atlantic Forest. Our results show that this region has a rich anurofauna with species characteristic of different biomes. This study contributes to the process of knowledge production to support further research in ecology, biogeography and conservation of anurans in the Campos Gerais.
We conducted an anuran survey in a forest fragment of approximately 800 ha situated in the municipalities of Maricá, Saquarema, and Tanguá (22°52' S; 42°40' W; 20-450 m a.s.l., SAD69), in Rio de Janeiro state, Brazil, comprising matrices of dense ombrophilous forest and disturbed areas. This study aimed to render an inventory of the anuran species present in the area and provide data on spatial and temporal distribution, as well as natural history information on the species. Fieldwork was performed monthly between January 2011 and December 2012, during which anurans were sampled by means of Visual Encounter Surveys (VES) and 1 m 2 plots. Total sampling effort was 411 man/hours (for VES) and 180 m 2 of surveyed leaf litter (for plots). We recorded 44 species of frogs, with Hylidae being the most representative family. The VES method recorded an abundance of 2.8 individuals/hour, and plot sampling yielded an estimated density of 4 individuals/100 m 2 . The species rarefaction curve did not reach an asymptote, indicating that an increase of sampling effort could still expand the number of recorded species. Our results reflect the relevance of the maintenance of this important and so far unprotected forest remnant in the state of Rio de Janeiro. The species richness found here indicates that the studied area, despite its small size, should be considered a priority area for amphibian conservation.
Anurans of the Agudos and Jaú municipalities, state of São Paulo, Southeastern Brazil
Check List, 2015
We present a list of amphibian species from the Agudos and Jaú municipalities, a Midwest region of São Paulo state, Brazil. The 26 species recorded exhibited a strong seasonality, with their reproductive periods concentrated in the rainiest months (October and December). Most of the species (88%) are generalists and typically associated with open areas. Although none of the species to be associated exclusively forest environments, the occurrence of some species (12%) depends on the proximity of water bodies for environments with forest formation. Thus, the presence of riparian forest fragments near water bodies is essential for some populations, as these sites are refuge for some species.
Anuran amphibians' diversity in a northwestern area of the Brazilian Pantanal
2011
In the Pantanal, the largest continuous floodplain in the world, the diversity and distribution of anuran amphibians vary in and across distinct subregions and distinct habitats occurring along inundation gradients. Permanent and natural aquatic habitats are relatively scarce in the Pantanal, and occurrence of temporary aquatic habitats varies seasonally, depending on rains. We here present results of evaluations of anuran's species richness and abundance in a seasonally flooded area in the northwestern section of the Pantanal (Fazenda Baía de Pedra, Cáceres municipality, state of Mato Grosso, Brazil), comparing values obtained in 10 plots systematically distributed over 5 km 2 with those obtained in additional aquatic plots in the study area. Data were obtained in five field trips, from February 2008 to March 2009. In addition to the plots, 36 water bodies (20 permanent and 16 temporary) were also sampled for the presence of anurans. In total, 3,983 individuals from 34 anuran species distributed in five families were recorded: Hylidae (14 species), Leptodactylidae (8), Leiuperidae (6), Microhylidae (4), and Bufonidae (2). Local richness represents 77.3% of the anuran diversity already recorded for the Brazilian Pantanal. The number of species recorded exclusively in systematically distributed terrestrial plots and in water bodies was 28 and 32, respectively. Sampling methods used at Fazenda Baía da Pedra were efficient in determining anuran richness, abundance, composition and distribution. Evaluations of anuran richness and abundance by using permanent sampling plots in the Pantanal may benefit from additional sampling sites, particularly permanent and temporary water bodies. PANSONATO, A., MOTT, T. & STRÜSSMANN, C. Diversidade de anfíbios anuros em uma area na porção noroeste do Pantanal brasileiro. Biota Neotrop. 11(4): http://www.biotaneotropica.org.br/v11n4/pt/ abstract?article+bn01711042011
Salamandra
We conducted an anuran survey in a forest fragment of approximately 800 ha situated in the municipalities of Maricá, Saquarema, and Tanguá (22°52' S; 42°40' W; 20-450 m a.s.l., SAD69), in Rio de Janeiro state, Brazil, comprising matrices of dense ombrophilous forest and disturbed areas. This study aimed to render an inventory of the anuran species present in the area and provide data on spatial and temporal distribution, as well as natural history information on the species. Fieldwork was performed monthly between January 2011 and December 2012, during which anurans were sampled by means of Visual Encounter Surveys (VES) and 1 m 2 plots. Total sampling effort was 411 man/hours (for VES) and 180 m 2 of surveyed leaf litter (for plots). We recorded 44 species of frogs, with Hylidae being the most representative family. The VES method recorded an abundance of 2.8 individuals/hour, and plot sampling yielded an estimated density of 4 individuals/100 m 2. The species rarefaction curve did not reach an asymptote, indicating that an increase of sampling effort could still expand the number of recorded species. Our results reflect the relevance of the maintenance of this important and so far unprotected forest remnant in the state of Rio de Janeiro. The species richness found here indicates that the studied area, despite its small size, should be considered a priority area for amphibian conservation.