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Anurans from two high-elevation areas of Atlantic Forest in the state of Rio de Janeiro, Brazil Rev. Bras. Zool.
Siqueira,Carla C; Vrcibradic,Davor; Dorigo,Thiago A; Rocha,Carlos F. D.
The anurofauna inhabiting higher montane Atlantic forest areas in southeastern Brazil, which often attain heights of more than 2000 m, is still insufficiently known. In this study, we present data on anuran species composition and abundances in two high-altitude (i.e. > 1000 m) sites within the Parque Estadual dos Três Picos (PETP), in the state of Rio de Janeiro. Field surveys were done at altitudes between 1100 and 1900 m above sea level. We recorded 35 species during our study, adding 22 records to the set of anuran species previously known to occur within the PETP. The stability of the species accumulation curve, as well as the richness estimations, showed that the sampling methodology employed and the total sampling effort were appropriate to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Altitude; Amphibian; Community; Serra dos Órgãos mountains; Species richness.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000400007
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Density and richness of leaf litter frogs (Amphibia: Anura) of an Atlantic Rainforest area in the Serra dos Órgãos, Rio de Janeiro State, Brazil Rev. Bras. Zool.
Siqueira,Carla C.; Vrcibradic,Davor; Almeida-Gomes,Mauricio; Borges-Junior,Vitor N. T.; Almeida-Santos,Patrícia; Almeida-Santos,Marlon; Ariani,Cristina V.; Guedes,Diego M.; Goyannes-Araújo,Pablo; Dorigo,Thiago A.; Van Sluys,Monique; Rocha,Carlos F. D..
Data on species composition, richness, and density are presented for the leaf litter frog assemblage of an area of Atlantic Rainforest at the Serra dos Órgãos mountain range, in the state of Rio de Janeiro, southeastern Brazil. Three sampling methods were used: plot sampling, visual encounter surveys, and pitfall traps. The local assemblage of leaf litter frogs was composed of 16 species, with the direct-developing species, Euparkerella brasiliensis (Parker, 1926), being the most abundant. The estimated density of the local leaf litter frog assemblage based on plot sampling was 17.1 ind/100 m² and the estimated overall leaf litter frog mass was 684.2 g/ha. The estimated density of leaf litter frogs at the present study is the highest currently reported for...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amphibian survey; Relative abundance; Tropical forest.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100015
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Description of Skrjabinodon spinosulus sp. n. (Nematoda, Oxyuroidea, Pharyngodonidae) from the Brazilian lizard Mabuya dorsivittata Cope, 1862 (Scincidae) Zoologia
Vicente,Joaquim Júlio; Vrcibradic,Davor; Rocha,Carlos Frederico D.; Pinto,Roberto Magalhães.
A new species of oxyurid, Skrjabinodon spinosulus, is described, on the basis of samples recovered from Mabuya dorsivittala Cope, 1862 in Brazil. Skrjabinodon spinosulus sp. n. is included in the group in which the males are provided with a spicule. The new species proposed herein, differs from those of the group, by the large number of spines (70-80) on the tail of the females when compared to those (3-48) in the other species. The number of spines is a character of great taxonomic importance in the specific diagnosis of these nematodes. This is the second report of the genus Skrjabinodon Inglis, 1968 in South America.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nematode parasite; Lizard parasite; Oxyurid; Brazil.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752002000100014
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Diet of the lizard Ecpleopus gaudichaudii (Gymnophthalmidae) in Atlantic Rainforest, state of Rio de Janeiro, Brazil Rev. Bras. Zool.
Maia,Thiago; Almeida-Gomes,Mauricio; Siqueira,Carla C.; Vrcibradic,Davor; Kiefer,Mara C.; Rocha,Carlos Frederico D..
In this study we analyzed the diet of the gymnophthalmid lizard Ecpleopus gaudichaudii Duméril & Bibron, 1839, a typical inhabitant of the forest-floor leaf litter, in an Atlantic Forest area in the state of Rio de Janeiro, southeastern Brazil. The 26 individuals sampled during the study had a mean snout-vent length (SVL) of 36.2 ± 4.2 mm and a mean jaw width (JW) of 4.1 ± 0.5 mm. We did not find differences in SVL between males and females, though the sexes differed in JW when the effect of body size was factored out, with females presenting higher values. The diet of the lizards was composed exclusively of arthropods, especially isopods and orthopterans. The similarity in trophic niches among seasons (volumetric and numerical proportions of prey...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diet; Lacertilia; Rainforest; Seasonality; Squamata.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000500006
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Ecology of Mabuya agilis (Raddi) (Lacertilia, Scincidae) at the restinga of Grumari, Rio de Janeiro, southeastern Brazil Zoologia
Vrcibradic,Davor; Rocha,Carlos Frederico Duarte.
Some aspects of the ecology of the skink Mabuya agilis (Raddi, 1823) at the restinga habitat of Grumari, in Rio de Janeiro, Brazil are studied. Most of the lizards were first sighted on the ground, though a few were using perches (mainly cacti) up to 30 cm high. Mean body temperature in activity was 33.1 ± 2.4ºC and was significantly correlated to air temperature. There was sexual dimorphism in size (snout-vent length - SVL), with females growing larger than males. Frequency of broken tails was high overall (83%) and did not differ between sexes. Females and males are sexually mature at 49 mm and 47 mm SVL, respectively. Brood size averaged 3.2 ± 1.0 (range 1-5) and was positively and significantly related to female SVL (r = 0.65, p = 0.001). Relative...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mabuya agilis; Lizard; Thermal ecology; Diet; Reproductive traits; Restinga habitat; Southeastern Brazil.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752002000600002
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Ecology of the bromeligenous frog Phyllodytes luteolus (Anura, Hylidae) from three restinga remnants across Brazil's coast Anais da ABC (AABC)
Motta-Tavares,Tatiana; Maia-Carneiro,Thiago; Dantas,Leonardo F.; Sluys,Monique Van; Hatano,Fábio H.; Vrcibradic,Davor; Rocha,Carlos F.D..
In this study, we analyzed diet, sexual dimorphism and bromeliad use in three populations of the hylid frog Phyllodytes luteolus from restinga habitats along the Brazilian coast. We found 13 arthropods categories in 161 stomachs. Ants and termites were the dominant prey items. The similar trophic niche across populations suggests this species has a conservative diet. We found sexual dimorphism regarding body size and jaw width. We recordedP. luteolus in five bromeliad species, but predominantly inAechmeablanchetiana (35.6% of individuals recorded). We recorded solitary individuals in 44% of occupied bromeliads, and never found two males sharing the same bromeliad. The data is suggestive that populations ofP. luteolus has a conservative diet independent of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atlantic forest; Bromeliad; Diet; Sexual dimorphism; Territorial behavior.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000100093
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Ecology of ticks in a taxocenosis of snakes from the Serra do Mendanha, Rio de Janeiro, Brazil, with new host records Rev. Bras. Zool.
Pontes,Jorge A. L.; Gazêta,Gilberto S.; Vrcibradic,Davor; Rocha,Carlos F. D..
We studied the ecology of ticks found in different species of a taxocenosis of snakes from the Serra do Mendanha, an area of Atlantic Rainforest located in the state of Rio de Janeiro, southeastern Brazil. Snakes were sampled monthly in the field during a period of 48 months. The specific identity of the hosts and their parasites, the number of parasites, and and snout-vent length and body mass of each host were recorded. A total of 25% of the species of snakes in the area were parasitized by ticks (larvae, nymphs and adult females) Amblyomma rotundatum Koch, 1844 was the predominant parasite species. The infestation parameters varied among the species of snakes sampled, with the highest prevalence of A. rotundatum being observed in the viperid Bothrops...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Acari; Amblyomma rotundatum; Atlantic Rainforest; Ixodidae; Serra do Mendanha; Snakes; Ticks.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000200016
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Environmental parameters affecting the structure of leaf-litter frog (Amphibia: Anura) communities in tropical forests: a case study from an Atlantic Rainforest area in southeastern Brazil Rev. Bras. Zool.
Siqueira,Carla C.; Vrcibradic,Davor; Nogueira-Costa,Paulo; Martins,Angele R.; Dantas,Leonardo; Gomes,Vagner L. R.; Bergallo,Helena G.; Rocha,Carlos Frederico D..
Despite a recent increase of information on leaf litter frog communities from Atlantic rainforests, few studies have analyzed the relationship between environmental parameters and community structure of these animals. We analyzed the effects of some environmental factors on a leaf litter frog community at an Atlantic Rainforest area in southeastern Brazil. Data collection lasted ten consecutive days in January 2010, at elevations ranging between 300 and 520 m above sea level. We established 50 quadrats of 5 x 5 m on the forest floor, totaling 1,250 m² of sampled area, and recorded the mean leaf-litter depth and the number of trees within the plot, as well as altitude. We found 307 individuals belonging to ten frog species within the plots. The overall...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Frog richness; Density estimates; Environmental factors.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702014000200005
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Herpetofauna of an Atlantic rainforest area (Morro São João) in Rio de Janeiro State, Brazil Anais da ABC (AABC)
Almeida-Gomes,Mauricio; Vrcibradic,Davor; Siqueira,Carla C.; Kiefer,Mara C.; Klaion,Thaís; Almeida-Santos,Patrícia; Nascimento,Denise; Ariani,Cristina V.; Borges-Junior,Vitor N.T.; Freitas-Filho,Ricardo F.; van Sluys,Monique; Rocha,Carlos F.D..
We studied the herpetofaunal community from the Atlantic forest of Morro São João, in Rio de Janeiro State, Brazil, and present data on species composition, richness, relative abundance and densities. We combined three sampling methods: plot sampling, visual encounter surveys and pit-fall traps. We recorded sixteen species of amphibians and nine of reptiles. The estimated densities (based on results of plot sampling) were 4.5 ind/100 m2 for amphibians and 0.8 ind/100 m² for lizards, and the overall density (amphibians and lizards) was 5.3 ind/100 m². For amphibians, Eleutherodactylus and Scinax were the most speciose genera with three species each, and Eleutherodactylus binotatus was the most abundant species (mean density of 3.0 frogs/100 m²). The reptile...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Herpetofauna; Atlantic rainforest; Brazil; Richness; Density.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652008000200007
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Herpetofauna of the Reserva Ecológica de Guapiaçu (REGUA) and its surrounding areas, in the state of Rio de Janeiro, Brazil Biota Neotropica
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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Nematode assemblages of some insular and continental lizard hosts of the genus Mabuya Fitzinger (Reptilia, Scincidae) along the eastern Brazilian coast Zoologia
Rocha,Carlos Frederico D.; Vrcibradic,Davor.
Nematode assemblages associated to three species of lizards of the genus Mabuya Fitzinger, 1826 [M. agilis (Raddi, 1823), M. caissara Rebouças-spieker, 1974 and M. macrorhyncha Hoge, 1946] from three mainland sites and three island sites along the eastern Brazilian coast were analyzed. A total of six nematode species were recorded, with total nematode richness varying from one to four and overall nematode prevalences varying from 6.7% to 90.5% among host populations. Number of nematode species per host individual (including all hosts, infected and uninfected) varied among host populations from 0.07 to 1.05, but most infected lizards in all six host populations harbored a single nematode species. Both insular and continental populations of Mabuya spp....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Infection rates; Mabuya; Nematode parasites; Species richness.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752003000400031
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Observations on the natural history of the lizard Mabuya macrorhyncha Hoge (Scincidae) in Queimada Grande Island, São Paulo, Brazil Zoologia
Vrcibradic,Davor; Rocha,Carlos F. D..
Data are presented on the on diet, thermal biology, microhabitat use, reproduction and helminth infection parameters of a population of Mabuya macrorhyncha hoge, 1946 inhabiting the small island of Queimada Grande, on the southern coast of São Paulo State. The lizards were collected on November 1997 (spring) and on July 1998 (winter). Most lizards were perched above ground, mainly on herbaceous vegetation. Mean lizard body temperatures were significantly higher in spring (32.6 ± 1.9ºC) than in winter (28.5 ± 2.4ºC), as were air temperatures. Mean litter size of females was 2.7 (range 2-3). The diet was composed of a diverse array of arthropods and some small fruits. Of the 19 lizards examined, 16 (84.2%) harboured helminths. Three species of helminth (one...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diet; Endoparasites; Insular habitat; Skink; Thermal biology.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752005000400053
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Parameters from the community of leaf-litter frogs from Estação Ecológica Estadual Paraíso, Guapimirim, Rio de Janeiro State, southeastern Brazil Anais da ABC (AABC)
Rocha,Carlos F.D.; Vrcibradic,Davor; Kiefer,Mara C.; Siqueira,Carla C.; Almeida-Gomes,Mauricio; Borges Júnior,Vitor N.T.; Hatano,Fábio H.; Fontes,Angélica F.; Pontes,Jorge A.L.; Klaion,Thais; Gil,Lívia O.; Sluys,Monique Van.
We studied the leaf-litter frog community of Estação Ecológica Estadual Paraíso, in Guapimirim, Rio de Janeiro State, southeastern Brazil. Herein we combined three sampling methods (large plots, visual encounter surveys and pit-fall traps) to present data on species composition, richness, relative abundance and densities. The local assemblage of frogs associated to the leaf-litter was composed by 14 species, belonging to nine families. Haddadus binotatus, a direct-developing frog, was the most abundant species in the community. The estimated density of the local leaf-litter frog assemblage based on plot sampling was 4.3 frogs/100 m². Haddadus binotatus had the highest density (1.1 ind/100 m²). Frogs were predominantly found at night. Thoropa miliaris had...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amphibia; Atlantic Forest; Brazil; Community parameters; Density; Leaf-litter.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652011000400013
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Skrjabinodon heliocostai sp.n. (Nematoda, Pharyngodonidae) parasitizing Mabuya frenata (Cope) (Lacertilia, Scincidae) in Brazil and the reallocation of Skrjabinodon capacyupanquii (Freitas, Vicente & Ibanez) in the genus Thelandros Wedl Zoologia
Vicente,Joaquim J.; Vrcibradic,Davor; Muniz-Pereira,Luis C.; Pinto,Roberto Magalhães.
The present report is related to an oxyurid nematode recovered from a reptilian host, Mabuya frenata (Cope, 1862) and the proposal of Skrjabinodon helicostai sp.n., based mainly on findings referring to the lateral alae, position of excretory pore and vulvar apertures, cuticular spines of the tail and aspect of the eggs. The examination of types of Skrjabinodon capacyupanquii (Freitas, Vicente & Ibanez, 1968) from a Peruvian lizard, indicated the reallocation of this species in the genus Thelandros Wedl., 1862, as T. capacyupanquii comb.n., based on the diameter of the caudal appendage of males and position of the vulvar aperture. The new species described herein represents the first report of a species of the genus Skrjabinodon Inglis, 1968 in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nematodes; Skrjabinodon; New species; Thelandros; New combination; Lizard; South America.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752000000200006
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Snakes preying on bats: new records from Brazil and a review of recorded cases in the Neotropical Region Zoologia
Esbérard,Carlos E. L.; Vrcibradic,Davor.
Predation on bats by snakes is relatively infrequently reported in the literature, though it may actually not be an uncommon phenomenon, since bat colonies represent a potential concentration of food for many medium-sized or large snakes. Herein we describe four events of bat predation by snakes and present a review of predation records of snakes on bats in the Neotropics compiled from the literature. A total of 20 species of snakes have been recorded so far as predators of bats in the New World tropics, with boiids being represented by the greatest number of cases. Due to the semi-arboreal habits of most of its species, their large size and their usual preference for mammalian prey, the Boiidae are probably the main reptilian predators of bats in the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Adaptation; Boidae; Colubridae; Feeding habits; Predation.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752007000300036
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Species composition and density estimates of the anurofauna of a site within the northernmost large Atlantic Forest remnant (Parque Estadual do Desengano) in the state of Rio de Janeiro, Brazil Biota Neotropica
Siqueira,Carla da Costa; Vrcibradic,Davor; Almeida-Gomes,Mauricio; Menezes,Vanderlaine Amaral; Borges-Junior,Vitor Nelson Teixeira; Hatano,Fábio Haruki; Pontes,Jorge Antônio Lourenço; Goyannes-Araújo,Pablo; Guedes,Diego Medeiros; van Sluys,Monique; Rocha,Carlos Frederico Duarte.
We present data on species composition, relative abundance and estimated densities for leaf-litter anuran amphibians from an Atlantic Forest area within the Parque Estadual do Desengano, in the state of Rio de Janeiro, Brazil, based on results of a short-term survey carried out during the winter at altitudes of 1000-1500 m. Three sampling methods were used: plot sampling, visual encounter surveys (VES; performed during the day, at the twilight, and at night), and pitfall traps. We recorded 13 species, with the direct-developer Ischnocnema parva (Girard, 1853) being the most abundant. Most frogs (ca. 90% of all individuals) sampled by VES were captured during the crepuscular and nocturnal periods. The estimated density of the local leaf-litter frog...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amphibian; Atlantic Forest; Density estimate; Southeastern Brazil; Survey.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032011000400014
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The amphibians of the state of Rio de Janeiro, Brazil: an updated and commented list Pap. Avulsos de Zool. (São Paulo)
Dorigo,Thiago Arnt; Vrcibradic,Davor; Rocha,Carlos Frederico Duarte.
Abstract. The amphibian fauna of the state of Rio de Janeiro, in southeatern Brazil, is characterized by high species richness and rates of endemism, and is still insufficiently known. A first list of amphibian species with occurrence in the state was published in 2004 and reported 166 taxa, but since then many new records, descriptions of new taxa, and revalidations and synonymizations of species have consistently improved the knowledge about the state’s amphibian biodiversity. Thus, a review and update of that list was deemed necessary. We herein present an updated and commented list of amphibian species occurring in the state of Rio de Janeiro based on a survey of the literature. We recorded the occurrence of a total of 201 species of amphibians (197...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anura; Atlantic Forest; Conservation; Gymnophiona; Species list.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492018000100204
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The Herpetofauna from Ilha Grande (Angra dos Reis, Rio de Janeiro, Brazil): updating species composition, richness, distribution and endemisms Pap. Avulsos de Zool. (São Paulo)
Rocha,Carlos Frederico Duarte; Telles,Felipe Bottona da Silva; Vrcibradic,Davor; Nogueira-Costa,Paulo.
Abstract Ilha Grande is a large continental island (total area of 19,300 ha) situated at the southern coast of the state of Rio de Janeiro, in southeast Brazil, within the Atlantic Forest Biome. Here we provide an update to the previous knowledge of the fauna of amphibians and reptiles occurring in Ilha Grande, based on primary data from our own fieldwork and on secondary data (from institutional collections and from the literature). We report the occurrence at Ilha Grande of a total of 74 species, being 34 amphibians (all of them anurans) and 40 reptiles (27 snakes, 11 lizards, one amphisbaenian and one crocodylian). Our survey added 14 species to the herpetofaunal list of Ilha Grande (three of amphibians and eleven of reptiles) and removed one species...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anura; Reptile; Atlantic Rain Forest; Diversity.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492018000100224
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Use of cacti as heat sources by thermoregulating Mabuya agilis (Raddi) and Mabuya macrorhyncha Hoge (Lacertflia, Scincidae) in two restinga habitats in southeastern Brazil Zoologia
Vrcibradic,Davor; Rocha,Carlos Frederico Duarte.
Lizards may benefit from gain of heat from contact with the substrate via conduction. In this study, evidence that the lizards Mabuya agilis (Raddi, 1823) and Mabuya macrorhynclui Hoge, 1946 (Scincidae) inhabiting two restinga habitats in southeastern Brazil (Grussaf, Rio de Janeiro and Praia das Neves, Espfrito Santo), may shift microhabitat preferences along the day, and that such shifts may be related to the use of cacti surfaces as direct sources of heat is presented. For both species, body temperature (Tb) was always significantly correlated (p < 0,05) with air temperature (Ta). Tb was significantly correlated (p < 0,0.5) with substrate temperature (Ts) for M. agilis collected on cacti, but not for specimens collected on the ground. For M....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mabuya; Lizard; Thermoregulation; Cacti; Heat gain by conduction; Restinga habitat; Southeast Brazil.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752002000100005
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