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Anuran amphibians in state of Paraná, southern Brazil Biota Neotropica
Santos-Pereira,Manuela; Pombal Jr.,José P.; Rocha,Carlos Frederico D..
Abstract: The state of Paraná, located in southern Brazil, was originally covered almost entirely by the Atlantic Forest biome, with some areas of Cerrado savanna. In the present day, little of this natural vegetation remains, mostly remnants of Atlantic Forest located in the coastal zone. While some data are available on the anurans of the state of Paraná, no complete list has yet been published, which may hamper the understanding of its potential anuran diversity and limit the development of adequate conservation measures. To rectify this situation, we elaborated a list of the anuran species that occur in state of Paraná, based on records obtained from published sources. We recorded a total of 137 anuran species, distributed in 13 families. Nineteen of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atlantic Forest; Checklist; Cerrado; Inventory; Species richness.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032018000300203
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Conquering Brazil: the invasion by the exotic gekkonid lizard Hemidactylus mabouia (Squamata) in Brazilian natural environments Rev. Bras. Zool.
Rocha,Carlos Frederico D.; Anjos,Luciano A.; Bergallo,Helena G..
In this study we review the records regarding occurrence of Hemidactylus mabouia Moreau De Jonnès, 1818 in Brazil, looking for records of the species in natural habitats, in order to assess the present status of this gecko as an exotic or invasive alien species in the country. We surveyed the available records of H. mabouia living in natural conditions, considering secondary data obtained from the literature, supplemented with original field records obtained by the authors during fieldwork. We found a total of 36 records in the literature and/or field records reporting the occurrence of H. mabouia in natural habitats in 36 different localities in 13 Brazilian states. The states presenting a higher number of records were Rio de Janeiro (seven), Bahia, São...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Exotic species; Invasive lizard; Monitoring of species; Open habitat invasion; Status of invasion.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000600007
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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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Distribuição espacial de bromélias na restinga de jurubatiba, Macaé, RJ Acta Botanica
Freitas,André F. N.; Cogliatti-Carvalho,Luciana; Van Sluys,Monique; Rocha,Carlos Frederico D..
Nas restingas, devido aos microhábitats favoráveis, como as moitas, não ocorrerem de forma homogênea, mas em manchas, e devido à elevada taxa de reprodução vegetativa em bromélias, testa-se a hipótese de que o padrão de distribuição espacial das bromélias em uma restinga seria agregado. Utiliza-se como área para o teste de hipótese a restinga do Parque Nacional da Restinga de Jurubatiba. Analisa-se o padrão de distribuição espacial de cada espécie encontrada através do índice de dispersão de Morisita (Id). Encontra-se 10 espécies de bromélias, com 10179 indivíduos em 0,98 ha amostrados. Na área estudada, nove espécies possuíram um padrão de distribuição agregado (Id > 1). Sugerimos que o padrão de distribuição agregado de bromélias em restinga pode ser...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Distribuição agregada; Reprodução vegetativa; Manchas de moitas.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062000000200005
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Ecology of Ischnocnema parva (Anura: Brachycephalidae) at the Atlantic Rainforest of Serra da Concórdia, state of Rio de Janeiro, Brazil Rev. Bras. Zool.
Martins,Ana Cristina J. S.; Kiefer,Mara C.; Siqueira,Carla C.; Van Sluys,Monique; Menezes,Vanderlaine A.; Rocha,Carlos Frederico D..
Ischnocnema (Brachycephalidae) includes many species that are important members of the leaf litter frog communities in the Atlantic Rainforest of Brazil. Ischnocnema parva (Girard, 1853) is endemic to the Atlantic Rainforest biome and is restricted to the forests of southeastern Brazil. Currently, the available information about the ecology of I. parva is scarce. We studied the diet, the habitat use, reproduction and density of I. parva in an area of Atlantic Rainforest at the Concórdia mountain range, Rio de Janeiro. Individuals of I. parva were captured in April 2005 using different sampling methods: time constrained search (transects), plots of 5 x 5 m (25 m²) on the litter, and pitfall traps with drift fences. We found 240 frogs; 35 females and 205...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Activity; Density; Diet; Habitat use; Reproduction.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200007
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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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Influence of structural habitat use on the thermal ecology of Gonatodes humeralis (Squamata: Gekkonidae) from a transitional forest in Maranhão, Brazil Rev. Bras. Zool.
Miranda,Jivanildo P.; Ricci-Lobão,Andréa; Rocha,Carlos Frederico D..
We studied the structural habitat use and the thermal ecology of Gonatodes humeralis (Guichenot, 1855) in São Luís, Maranhão, Brazil, to examine intersexual differences in the use of perch features and to simultaneously analyze reciprocal differences on thermal ecology between the sexes. Gonatodes humeralis body temperature was strongly correlated with environmental temperatures (air and substrate), but air temperature had an additional effect on the males' body temperatures after removing the effect of the substrate temperature. Males and females differed significantly in perch height use above ground (males perched higher) but the sexes did not differ in the trunk perimeter used. Gonatodes humeralis tended to use the larger tree trunks available in its...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gecko; Temperature; Intersexual differences; Microhabitat; Thermoregulation.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000100006
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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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Reproductive ecology of the invader species gekkonid lizard Hemidactylus mabouia in an area of southeastern Brazil Iheringia, Sér. Zool.
Anjos,Luciano A.; Rocha,Carlos Frederico D..
Hemidactylus mabouia Moreau de Jonnés, 1818 is a "fixed" clutch size exotic species well established in Brazil. In this paper we investigate some reproductive strategies adopted to minimize the costs of invariant clutch size to this invader species living in an environment with marked climatic seasonality in Southeastern Brazil (22°56’S; 46°55’W). The study was carried out from April 2002 to March 2003. Females and males attain maturity at 47.9mm and 46.9mm SVL, respectively. Larger females tended to produce larger eggs. The reproduction occurred throughout the year, but only at the wet season the females increase the clutch frequency. There was a significant variation in mean testis volume among the months throughout the year and the largest means were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hemidactylus; Exotic species; Reproduction; Egg size relationships.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212008000200006
Registros recuperados: 10
Primeira ... 1 ... Última
 

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