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Registros recuperados: 47
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A new Scinax of the S. catharinae species group from Central Brazil (Amphibia: Anura: Hylidae) Rev. Bras. Zool.
Pombal Jr,José P.; Carvalho Jr,Ronald R.; Canelas,Marco Antônio S.; Bastos,Rogério P..
A new species of Scinax Wagler, 1830 belonging to the S. catharinae species group is described from the state of Goiás, in the Cerrado Biome, Brazil. Scinax skaios sp. nov. is characterized by short snout-vent length (males ranging 23.2-29.6 mm; females 30.7- 36.1 mm), snout subovoid in dorsal view and protruding in lateral view; no tubercle on canthus rostralis; an inverted triangular interorbital blotch; no externally expanded vocal sac; dorsal skin texture moderately rugose; absence of a thick externally well differentiated inguinal gland; hidden areas of the thigh with vermiculate color pattern. The descriptions of the vocalizations are provided.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amphibians; Cerrado; Dendropsophini; New species; Scinax skaios sp. nov.; Vocalization.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000500016
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A preliminary list of the Herpetofauna from termite mounds of the cerrado in the Upper Tocantins river valley Pap. Avulsos de Zool. (São Paulo)
Moreira,Lorena A.; Fenolio,Danté B.; Silva,Hélder Lúcio Rodrigues; Silva Jr,Nelson Jorge da.
Termite mounds are known to offer refuge and microhabitats to a great variety of invertebrates and vertebrates. In the valley of the upper Tocantins River, within areas of influence of hydroelectric power plants 4,000 termite mounds were surveyed to evaluate the diversity of amphibians and reptiles using these environments. Surveys in termite mounds from two other areas (Corumbá River and Araguaia River basins) were used for comparative purposes. The results for termitaria in the upper Tocantins river valley revealed nine families, 13 genera, and 25 species of amphibians, and 16 families, 32 genera, and 47 species of squamate reptiles. Compared to a general herpetofaunal list of the region, the data indicate that between 30.6% and 56.8% of the species use...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amphibians; Reptiles; Termite Mounds; Cerrado.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492009001500001
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Amphibians found in the Amazonian Savanna of the Rio Curiaú Environmental Protection Area in Amapá, Brazil Biota Neotropica
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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Amphibians of an open cerrado fragment in southeastern Brazil Biota Neotropica
Brasileiro,Cínthia Aguirre; Sawaya,Ricardo J.; Kiefer,Mara C.; Martins,Marcio.
The Cerrado encompasses ca. 2 million km² in Brazil. Most Cerrado areas have been greatly disturbed in the past decades. Only 20% of this biome remain undisturbed, and only 1.2% is protected. Knowledge on the biology and diversity of Cerrado amphibian assemblages is still incipient. Here we present natural history information (habitat use and reproductive activity) of 28 species of frogs from the Estação Ecológica de Itirapina (EEI), and compare the composition of this assemblage with those of other Cerrado areas, other open areas, and a few forest areas throughout Brazil. We demonstrate that the Itirapina assemblage is more similar to those of other open areas than to those of forests, even when the latter are geographically closer. Six species occurred...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amphibians; Habitat use; Reproduction; Cerrado; Itirapina; São Paulo; Brazil.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032005000300006
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An unusual reproductive mode in Hypsiboas (Anura: Hylidae) Rev. Bras. Zool.
Moura,Mário Ribeiro de; Motta,Ana Paula; Feio,Renato Neves.
We report an unusual reproductive behavior of Hypsiboas pardalis (Spix, 1824). Species belonging to this genus usually are known to reproduce in lentic water bodies, with the development of exotrophic tadpoles. Herein, the bromeligenous behavior is reported for the first time in Hypsiboas Wagler, 1830. Although this reproductive behavior has been observed more than once here, we believe that it is not typical of Hypsiboas, being better characterized as an unusual reproductive mode for Hypsiboas, indicating the presence of plasticity in the reproductive modes of H. pardalis
Tipo: Info:eu-repo/semantics/other Palavras-chave: Amphibians; Behavior; Bromeliads; Reproductive mode.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100021
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Anesthesia and sedation of map treefrog (Hypsiboas geographicus) tadpoles with essential oils Ciência Rural
Salbego,Joseânia; Maia,Janna Laely dos Santos; Toni,Cândida; Rodrigues,Amanda Sousa Silva; Sousa,Elen Monique Oliveira; Silva,Lenise Vargas Flores da; Mourão,Rosa Helena Veras; Barata,Lauro Euclides Soares; Heinzmann,Berta Maria; Baldisserotto,Bernardo.
ABSTRACT: The goal of this study was to investigate the sedative and anesthetic properties of essential oils (EOs) in map treefrog tadpoles (Hypsiboas geographicus) and to determine the sedation and deep anesthesia induction times as well as the recovery time. The tadpoles were exposed to one of the EOs from three plant species: Aniba rosaeodora (EOAR - 25, 50, 100 or 200µL L-1), Lippia origanoides (EOLO - 13, 25, 50, 100 or 200µL L-1), and Lippia alba (either chemotype citral [EOL-C - 25, 50, 100 or 200µL L-1] or linalool [EOL-L - 50, 75, 100 or 200µL L-1]) (n = 8 per replicate). The tadpoles exposed to 25 and 50µL L-1 EOL-C and EOL-L, respectively, were not anesthetized within 30min (the maximum time of observation), and those exposed to 200µL L-1 EOLO...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amphibians; Animal welfare; Natural anesthetics.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017001100403
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Antileishmanial and antitrypanosomal activity of the cutaneous secretion of Siphonops annulatus J. Venom. Anim. Toxins incl. Trop. Dis.
Pinto,Erika Gracielle; Antoniazzi,Marta Maria; Jared,Carlos; Tempone,and Andre Gustavo.
Background Among the tropical parasitic diseases, those caused by protozoans are considered a challenge to public health, being represented by leishmaniasis and Chagas disease. In view of the low effectiveness and toxicity of the current therapy, animal venoms such as amphibian secretions have been used as a promising source of new drug prototypes. The present work aimed to achieve bioguided fractionation of metabolites present in a cutaneous secretion of the caecilian Siphonops annulatus (Amphibia: Gymnophiona: Siphonopidae) with antileishmanial and antitrypanosomal activity.Methods Through liquid-liquid partition and chromatographic techniques, the secretion was fractionated using bioguided assays. The 50% inhibitory concentration (IC50) of the main...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amphibians; Venoms; Leishmania; Trypanosoma cruzi; Therapy; Drugs.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992014000200340
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Anurans from the Middle Jaguaribe River Region, Ceará State, Northeastern Brazil Biota Neotropica
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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Anurans in a forest remnant in the transition zone between cerrado and atlantic rain forest domains in southeastern Brazil Anais da ABC (AABC)
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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Anuros capturados em armadilhas Pitfall no município de Plácido de Castro, AC. Repositório Alice
SANTOS, R. S.; SANTANA, F. R. do C.; VASCONCELOS, A. da S.; AZEVEDO, T. da S.; SOUZA, C. S. da; SOUZA, M. B. de.
Os anuros pertencem à Classe Amphibia, que inclui os sapos, as rãs e as pererecas. São organismos importantes nas cadeias ecológicas, pelo fato de atuarem como controladores de populações de insetos e outros artrópodes, além de algumas espécies serem consideradas boas indicadoras da qualidade ambiental. A distribuição de anuros vai desde os trópicos até regiões subárticas, no entanto a maioria das espécies concentra-se nas florestas tropicais. O presente trabalho teve como objetivo ampliar o conhecimento sobre a anurofauna presente no resquício florestal localizado no município de Plácido de Castro, AC
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Remanescente florestal; Forest remnant; Remanente forestal; Plácido de Castro (AC); Acre; Amazônia Ocidental; Western Amazon; Amazonia Occidental; Floresta tropical; Fauna silvestre; Anfíbio; Levantamento populacional; Armadilha; Tropical forests; Widlife; Amphibians; Current population survey; Pitfall traps; Bosques tropicales; Vida silvestre; Anfibios; Sondeo de la población actual; Trampas de suelo.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1075064
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Cytogenetic studies in six species of Scinax (Anura, Hylidae) clade Scinax ruber from northern and northeastern Brazil Genet. Mol. Biol.
Nogueira,Lídia; Zanoni,Juliani Bruna; Solé,Mirco; Affonso,Paulo Roberto Antunes de Mello; Siqueira,Sérgio; Sampaio,Iracilda.
Scinax species are still underrepresented in cytogenetic studies, mainly with respect to populations from northeastern and northern Brazil. In this study, we provide new chromosomal information on Scinax boesemani, S. camposseabrai, S. garbei, S. pachycrus, S. trilineatus and S. x-signatus, all belonging to clade S. ruber. They were collected at two locations in the Caatinga biome (northeastern Brazil) and at one in the Amazon (northern Brazil) biomes. Chromosomes were analyzed by conventional staining, C-banding, Ag-NOR staining, and fluorochrome staining. All species shared a modal diploid value of 2n = 24 and fundamental arm number (FN) of 48. Moreover, both chromosomal size and morphology were similar to other species in this Scinax clade. C-banding...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amphibians; Chromosomes; Fluorochromes; Heterochromatin; RDNA.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572015000200156
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Diet and trophic niche overlap of Boana bischoffi and Boana marginata (Anura: Hylidae) in southern Brazil Biota Neotropica
Moser,Camila F.; Oliveira,Mateus de; Avila,Fernanda R. de; Dutra-Araújo,Diogo; Farina,Renata K.; Tozetti,Alexandro M..
Abstract: The species Boana bischoffi and Boana marginata are endemic to the Atlantic Forest, where they often occur in sympatry. There is a large gap in the knowledge of natural history of both species. In this study, we aimed to describe and compare the diet composition of B. bischoffi and B. marginata in the southern domain of the Brazilian Atlantic Forest. We analyzed the gastrointestinal contents of 43 individuals of B. bischoffi and 30 individuals of B. marginata. Both showed a high trophic niche overlap (0.90 Ojk). The most important prey categories for both species belonged to the orders Araneae and Coleoptera. The species niche breadth (Bsta) varied from 0.35 to 0.42, suggesting a generalist feeding behavior for both species. Our data provide...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Trophic ecology; Atlantic forest; Niche breadth; Amphibians.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032019000100502
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Diet of bromeliad-frog Phyllodytes luteolus (Anura, Hylidae) in Atlantic Forest environments: what have the frogs been eating outside sandy coastal plains? Pap. Avulsos de Zool. (São Paulo)
Mageski,Marcio Marques; Campinhos,Elaine Costa; Duca,Charles; Stein,Maria Carolina; Oliveira,Melissa Peron de; Clemente-Carvalho,Rute Beatriz Garcia.
Abstract Knowledge about the diet of anurans in different environments is essential to understanding important aspects of their trophic ecology. The bromeliad-frog Phyllodytes luteolus inhabits tank bromeliads in sandy coastal plains and lowland forests on the mainland, as well as a continental island in southeastern Brazil. In this work, we describe and analyze the diet of P. luteolus in three environments. We obtained the consumed prey items of 92 frogs (32 from sandy coastal plain, 32 from lowland forest and 28 from the island) via a stomach-flushing procedure. We found some variations in consumed prey composition and prey volume across populations, but ants represented the most important consumed prey in all environments. Only ants had a relative...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amphibians; Lowland forest; Prey; Restinga; Trophic ecology.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492019000100229
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Diet of five anuran species in a forest remnant in eastern Acre state, Brazilian Amazonia. Repositório Alice
ALMEIDA, B. C.; SANTOS, R. S.; SANTOS, T. F. dos; SOUZA, M. B. de; MENIN, M..
The diet of anuran species is based on a large variety of prey items, which may be related to the availability of prey in the environment. In Amazonia, studies on the diet of anurans have occurred mainly in primary forests. Because forest fragmentation promotes changes in the environment, it is expected that the diet of anuran species will also be affected. Here we describe the diet composition of anurans captured in a forest remnant at Fazenda Amoty, municipality of Plácido de Castro, state of Acre, Brazil. Stomach contents of 34 specimens of Allobates femoralis (Aromobatidae), Adenomera hylaedactyla, Engystomops freibergi (Leptodactylidae), Rhinella sp. (Bufonidae), and Elachistocleis muiraquitan (Microhylidae) had 877 prey items belonging to 19 prey...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Anuro; Hábitos alimentarios; Adenomera hylaedactyla; Engystomops freibergi; Bufomidae; Elachistocleis muiraquitan; Ants; Hormiga; Plácido de Castro (AC); Acre; Amazônia Ocidental; Western Amazon; Amazonia Occidental; Anfíbio; Sapo; Habito Alimentar; Formiga; Amphibians; Anura; Eating habits; Allobates femoralis; Leptodactylidae; Rhinella; Formicidae.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1112631
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Digestive Phenotypic Flexibility in Post-Metamorphic Amphibians: Studies on a Model Organism Biol. Res.
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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Diversity patterns, research trends and mismatches of the investigative efforts to amphibian conservation in Brazil Anais da ABC (AABC)
CAMPOS,FELIPE S.; BRITO,DANIEL; SOLÉ,MIRCO.
The number of papers on biology of amphibians has increased in the recent years. A detailed overview of the publications on amphibians can be very useful in assessing the status of our knowledge about this taxonomic group. Due to the large number of articles published, we aimed to assess the scientific contribution of herpetological researches carried out between the years 2001 and 2010 on Brazilian amphibians, considering the diversity patterns, the threats and the research topics that have been published most often. We applied scientometric attention indexes in the reviewed studies from seven scientific databases. To examine the relationship between the numbers of species recorded locally and regionally at different spatial scales, we used an additive...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amphibians; Scientometry; Attention index; Additive diversity partitioning; Temporal trend.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000401873
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Effect of traffic noise on Scinax nasicus advertisement call (Amphibia, Anura) Iheringia, Sér. Zool.
Leon,Evelina; Peltzer,Paola M.; Lorenzon,Rodrigo; Lajmanovich,Rafael C.; Beltzer,Adolfo H..
ABSTRACT Increased anthropogenic-made sounds such as traffic noises contribute to acoustic pollution, which produces deleterious effect on song-vertebrates. We compared the advertisement call of Scinax nasicus (Cope, 1862) males in natural (as a reference or control, Site A) and Sites affected by traffic noises (Site B). Call structure was recorded and it was amplified in sonograms (software Raven Pro 1.5). Seven variables were measured on its advertisement call: duration (s), number of notes, number of pulses per note, maximum and minimum frequency (kHz), dominant frequency (kHz) and amplitude (dB). In addition, at each Site the background noise (the fundamental frequency, F0 and amplitude, dB) was measured. The amplitude of background noise reached...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amphibians; Vocalization; Vocal adjust; Hylidae.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212019000100207
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Eficiência de armadilhas de queda (pitfall traps) em amostragens de anfíbios e répteis no Brasil Zoologia
Cechin,Sônia Zanini; Martins,Marcio.
The effectiveness of pitfall traps associated with drift fences to capture amphibians and reptiles in three field studies, in Rio Grande do Sul (extreme southern Brazil), São Paulo (São Paulo, southeastern Brazil), and Amazonas (Amazonas, northern Brazil) is described. At Santa Maria, a total of 2040 amphibians and reptiles were caught in 30 pitfalls (200 L, with drift fence) during 18 months of study (capture efficiencies of 3.78 amphibians and reptiles/pitfall/month and 0.14 snake/pitfall/month). At Itirapina, São Paulo, 1262 amphibians and reptiles were obtained in 72 pitfalls (100 L, with drift fence) during six months (capture efficiencies of 11,9 amphibians and reptiles/pitfall/month and 0,38 snake/pitfall/month). At Rio Pitinga, Amazonas, over 600...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Traps; Communities; Lizards; Snakes; Amphibians; Herpetofauna; Brazil.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752000000300017
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Expanding the knowledge about the occurrence of anurans in the highest amphibian diversity area of Atlantic Forest: Parque Estadual da Serra do Mar, São Paulo, Brazil Biota Neotropica
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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First record of the genus Choledocystus(Trematoda: Plagiorchiidae) for amphibians of the Chacoan region in Argentina Anais da ABC (AABC)
HAMANN,MONIKA INES; LEÓN-RÈGAGNON,VIRGINIA; FERNÁNDEZ,MARÍA VIRGINIA; GONZÁLEZ,CYNTHYA ELIZABETH.
Abstract This is the first record of the trematode Choledocystus incurvatum and Choledocystus elegans in Argentinean amphibians collected in two localities of the Chacoan region. The first trematode species was found infecting the small intestine of Pseudis paradoxa Linnaeus, captured near the city of Corrientes, Corrientes Province; the second species was found infecting the gall-bladder of Lepidobatrachus laevis Budgget, captured in Ingeniero Juárez, Formosa Province. Morphology of these species was studied in detail using light microscopy and scanning electron microscopy (SEM), and compared with previous studies of Brazilian and Venezuelan specimens. Morphological descriptions of these parasites are provided to supplement existing data. Choledocystus...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Trematoda; Choledocystus; Amphibians; Chacoan region; Argentina.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652020000100723
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