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| Registros recuperados: 47 | |
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| NORONHA,Janaina da Costa de; PRADO,Cynthia P. A.; HERO,Jean-Marc; CASTLEY,Guy; RODRIGUES,Domingos de Jesus. |
| ABSTRACT Trachycephalus cunauaru is an Amazonian hylid that uses phytotelmata to reproduce. There is relatively little information about the species, mainly due to the difficulty of accessing their reproductive sites. In this study, we gathered data on the ecology and natural history of T. cunauaru in the southern Amazon, in the state of Mato Grosso, Brazil. In addition to natural phytotelmata, we used buckets installed at a height of 10 m as artificial phytotelmata. We compared physical and chemical characteristics, as well as the presence of tadpoles between natural and artificial phytotelmata. We also collected data on the reproductive behavior of the species through the use of camera traps. We recorded a density of 14.1 reproductive sites per km².... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Phytotelmata; Artificial reproductive sites; Canopy sampling; Oophagy; Amphibians. |
| Ano: 2021 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672021000100034 |
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| FIGUEIREDO,GUILHERME DE T.; STORTI,LUIS FERNANDO; LOURENÇO-DE-MORAES,RICARDO; SHIBATTA,OSCAR A.; ANJOS,LUIZ DOS. |
| Abstract: Environmental heterogeneity is a factor which can help explain the higher local species richness. The objective of this study was to test if richness and composition of anurans species are related to available microhabitats and landscape type of sampled sites. We assume that a higher number of microhabitats increase environmental heterogeneity and this, in turn, affects species richness of amphibians. We performed the study in the Mesophytic Semideciduous Forest, a vegetation type within Atlantic Forest Domain. Between October 2010 and February 2011, we sampled 23 water bodies located in the agricultural, forest, and urban landscapes. The species richness was determined using survey at breeding sites methodology, and the availability of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amphibians; Anthropic actions; Biodiversity; Fragmentation. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000300615 |
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| PIRANI,RENATA M.; NASCIMENTO,LUCIANA B.; FEIO,RENATO N.. |
| This study presents the species richness, temporal distribution and reproductive activity of anurans from the Uaimií State Forest (Floresta Estadual do Uaimií – FLOE Uaimií), situated in the Quadrilátero Ferrífero region, municipality of Ouro Preto, Minas Gerais state, Brazil. Field activities were performed monthly from September 2009 to August 2010. We recorded 36 anurans species, distributed in 10 families. The greatest richness of the sampled sites corresponds to a permanent rivulet in a secondary forest. The majority of anuran species presented seasonal vocalization activity pattern, mainly in the rainy season. The anuran species composition of FLOE Uaimií is similar to others studied areas from the Quadrilátero Ferrífero region. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amphibians; Espinhaço Mountain Range; Inventory; Reproductive activity. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000301093 |
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| Antonucci,A.M.; Catroxo,M.H.; Hipolito,M.; Takemoto,R.M.; Melo,N.A.; França,F.M.; Teixeira,P.C.; Ferreira,C.M.. |
| Feces are an important viral agent elimination route for infected carrier animals and in aquatic organisms these pathogenic agents can very rapidly propagate due to the habitation environment. The objective of this work is to track viral particles in the intestinal contents of bullfrogs (Lithobates catesbeianus) from five commercial frog farms in the region of Vale do Paraíba, in the State of São Paulo, Brazil, using negative contrast transmission electron microscopy (TEM). The Coronaviridae, Paramyxoviridae, Parvoviridae and Herpesviridae families were observed and photographed in specimens. This work emphasizes the importance of adopting sanitary measures in commercial farms and confirms that observing feces by TEM is an efficient and rapid diagnostic... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amphibians; Herpesvirus; Coronavirus; Paramixovirus; Parvovirus. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352014000200001 |
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| OSTOJIC,HRVOJ; MONGE-C,CARLOS; CIFUENTES,VERONICA. |
| Blood oxygen affinity and red blood cell properties were measured in three subspecies of genus Bufo: Bufo spinulosus limensis, collected at sea level and at an average day temperature of 20ºC; Bufo spinulosus trifolium, from 3100 m, average day temperature of 15ºC; and Bufo spinulosus flavolineatus, from 4100 m, average day temperature of 10ºC. Electrophoresis of the hemoglobin showed the same component in each of the three subspecies. At 20ºC the blood oxygen affinities (P50) showed small differences between Bufo spinulosus limensis and Bufo spinulosus trifolium, whereas the value for Bufo spinulosus flavolineatus was markedly lower. At 10ºC, the ambient temperature of Bufo spinulosus flavolineatus, the P50 was extremely low compared with the other two... |
| Tipo: Journal article |
Palavras-chave: Adaptations; Altitude; Amphibians; Bufo spinulosus limensis; Bufo spinulosus trifolium; Bufo spinulosus flavolineatus; Hemoglobin affinity; Hematocrits; Oxygen binding; Toads. |
| Ano: 2000 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602000000100007 |
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| NAYA,DANIEL E; BOZINOVIC,FRANCISCO. |
| Studies of phenotypic flexibility are central to the understanding of evolutionary and comparative physiology. Research conducted on many vertebrate species has shown that the digestive system is highly responsive and sensitive to environmental cues. However, amphibians, which are a standard and classic model organism for the study of many physiological processes, have been poorly considered in the study of ecological consequences on digestive flexibility. Here we review and analyze the current information on this topic for amphibians. We identify three major bodies of empirical evidence: a) seasonal changes in gut development, b) lack of dietary modulation of gut attributes in adult individuals, c) a relationship between feeding habits and the magnitude... |
| Tipo: Journal article |
Palavras-chave: Amphibians; Digestive theory; Gut adjustments; Phenotypic flexibility. |
| Ano: 2004 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602004000300002 |
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| Lima,Janaina Reis Ferreira; Lima,Jucivaldo Dias; Lima,Soraia Dias; Silva,Raullyan Borja Lima; Andrade,Gilda Vasconcellos de. |
| Abstract Amphibian research has grown steadily in recent years in the Amazon region, especially in the Brazilian states of Amazonas, Pará, Rondônia, and Amapá, and neighboring areas of the Guiana Shield. Even so, few data are available for the Amazonian savannas of Brazil. To contribute to the understanding of the diversity of the amphibians of these savannas, we surveyed 15 temporary ponds, six located in open areas, seven on the edge of savanna forest, and two within the forest, in the savanna of the Rio Curiaú Environmental Protection Area (EPA) in Macapá, in the state of Amapá, northern Brazil. Sampling occurred from May 2013 to August 2014 during periods when the ponds contained water. Amphibians were sampled through visual and auditory surveys... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amphibians; Amazonian; Amapá; Savanna; Savanna forest; Species list. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032017000200301 |
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| Silva,Fernando Rodrigues da; Lyra,Mariana Lúcio; Haddad,Célio Fernando Baptista; Rossa-Feres,Denise de Cerqueira. |
| Abstract The vegetation cover in the Atlantic Forest has been converted to human use or degraded by human activities, which declined the vegetation to 16% of its original extent. Although several protected areas have been created in this Neotropical biome over the past decades, our knowledge of the amphibian species within these areas is still far from adequate. Here, we present lists of anuran species from three different areas of Parque Estadual da Serra do Mar: núcleos Curucutu, Santa Virgínia and São Sebastião. To survey anuran species, we visited six sampling units (two ponds, two streams and two trails inside forest fragments) in each locality. Samplings were accomplished from December 2014 to February 2015, December 2015 to February 2016 and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amphibians; Biodiversity; Conservation; Hotspots; Species list. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032017000200305 |
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| Pedrosa,Isabella Mayara Monteiro de Carvalho; Costa,Taís Borges; Faria,Renato Gomes; França,Frederico Gustavo Rodrigues; Laranjeiras,Daniel Orsi; Oliveira,Thiago César Sena Pereira de; Palmeira,Cristiane Nikely Silva; Torquato,Selma; Mott,Tami; Vieira,Gustavo Henrique Calazans; Garda,Adrian Antonio. |
| Despite the increase in herpetofaunal inventories in the Caatinga biome, information for many areas is still lacking and new surveys are required. We conducted a 30-day inventory of the herpetofauna of the Catimbau National Park, Pernambuco State, Brazil. Thirty-seven pitfall trap arrays composed of 4 buckets each, along with glue traps and active searches were used to sample local herpetofaunal diversity. We recorded 21 species of frogs, 25 lizards, 11 snakes, and 1 chelonian. All sampling methods contributed significantly to achieve the amphibian and reptile diversity recovered in the inventory. Rarefaction curves and richness estimators suggest that local biodiversity is still underestimated. We attempted to show the great potential of Catimbau National... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amphibians; Reptiles; Inventory; Northeast Brazil. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032014000400203 |
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| Santana,Diego José; Mângia,Sarah; Silveira- Filho,Ricardo Rodrigues da; Silva Barros,Lívia Cláudia da; Andrade,Igor; Napoli,Marcelo Felgueiras; Juncá,Flora; Garda,Adrian Antonio. |
| The Middle Jaguaribe River region is a poorly sampled area in the Caatingas domain, located in the eastern Ceará State, northeastern Brazil. The Brazilian government agencies considered this region as a priority area for conservation and inventories. In order to fill this biodiversity knowledge gap, we conducted a ten-day rapid inventory of the anuran fauna from April 11 to 20, 2014, surveying different physiognomies of the region. We recorded 19 anuran species belonging to five families: Bufonidae (2), Hylidae (5), Leptodactylidae (9), Microhylidae (2) and Odontophrynidae (1). Most inventories of Caatinga amphibians published to date have been conducted inside protected areas and/or of high altitude (mesic areas known as "brejos de altitude"). The list we... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amphibians; Caatinga; Semiarid; Species list; Biodiversity. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032015000300201 |
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| Almeida-Gomes,Mauricio; Siqueira,Carla Costa; Borges-Júnior,Vitor Nelson Teixeira; Vrcibradic,Davor; Ardenghi Fusinatto,Luciana; Frederico Duarte Rocha,Carlos. |
| Species inventories are useful tools to improve conservation strategies, especially in highly threatened biomes such as the Brazilian Atlantic Forest. Here we present a species list of amphibians and reptiles for the Reserva Ecológica de Guapiaçu (REGUA), a forest reserve located in the central portion of Rio de Janeiro state, Brazil. The list results from an extensive sampling effort that lasted ten years. A total of 73 amphibian (of which ten are endemic to the state) and 37 reptile species was recorded from the area. Five amphibian species are presently categorized by the IUCN as “data-deficient”, two as “near threatened” and one as “endangered”, whereas one reptile species is categorized as “vulnerable”. Our results showed that REGUA harbors about... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amphibians; Atlantic Forest; Conservation; Hotspot; Reptiles. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032014000300201 |
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| Tonini,João Filipe Riva; Carão,Lívia de Moraes; Pinto,Israel deSouza; Gasparini,João Luiz; Leite,Yuri Luiz Reis; Costa,Leonora Pires. |
| Reserva Biológica de Duas Bocas (2,910 ha) is one of the largest Atlantic forest remnants in the State of Espírito Santo, Southeastern Brazil. We recorded non-volant tetrapods in this area from May 2007 through April 2008, using pitfalls, live traps, camera traps, and diurnal and nocturnal opportunistic searches. In addition, we compiled available museum and literature records from this area. We documented 52 species of amphibians, 24 species of non-avian reptiles, and 39 species of non-volant mammals. Out of these 115 species, 47 are new records for this area and six other species had their geographic ranges expanded with the present study. Furthermore, we present the record of predation of the tree frog Hypsiboas faber by the snake Chironius bicarinatus.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amphibians; Mammals; Non-avian reptiles; Atlantic forest; Inventory; Biodiversity. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032010000300032 |
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| Registros recuperados: 47 | |
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