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| Registros recuperados: 12 | |
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| Costa,Luciana M.; Bergallo,Helena G.; Luz,Júlia L.; Esbérard,Carlos E. L.. |
| ABSTRACT We analyzed the bat assemblages found in protected areas in the state of Rio de Janeiro, Brazil, which is the best-sampled region of the Atlantic Forest. We selected 24 strict nature reserves and nine sustainable-use protected areas. We used data from inventories and complemented with data from the literature. We compared strict and sustainable-use protected areas, and tested whether the bat assemblages varied between habitat types. We tested the effect of geographic distance on the dissimilarity between bat assemblages, as well as the relationship between species composition and the size, mean altitude of the protected area, and capture effort. We compiled a total of 34,443 capture records, involving 67 species. Three species were captured only... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Altitude; Atlantic Forest; Chiroptera; Geographic distance; Types of habitat. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212020000100228 |
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| Gomez-Mesa,Laura; Pereira-Ribeiro,Juliane; Ferreguetti,Atilla C.; Almeida-Santos,Marlon; Bergallo,Helena G.; Rocha,Carlos F. D.. |
| ABSTRACT Presented is the first information on the ecological and reproductive aspects of the treefrog, Aparasphenodon brunoi Miranda-Ribeiro, 1920, living in ombrophilous forest areas of the Atlantic Rainforest, Brazil. We recorded the species’ daily activity and over the course of a year, population density during the year, microhabitat usage, diet, and some reproductive features (quantity, diameter and mean mass of oocytes, mean reproductive effort of female). Field sampling was conducted monthly from June 2015 to July 2016. Searches for treefrogs were systematic, using visual encounter surveys along 14 plots RAPELD long term research modules established in the forest. For each captured individual, we recorded the hour, microhabitat used, and perch... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Casque-headed frog; Ecological aspects; Ecology; Habitat use. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100325 |
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| Ferreguetti,Átilla C.; Pereira,Bruno C.; Bergallo,Helena G.. |
| ABSTRACT The spotted paca, Cuniculus paca (Linnaeus, 1766), is a Neotropical, opportunistic, frugivorous caviomorph rodent, that inhabits primarily broadleaf forests. We aimed to provide the first estimates of density of C. paca for the Ilha Grande, an island located in the Atlantic Rain Forest biome of Brazil. Density and population size were estimated using the total number of individuals observed along each trail through the program DISTANCE 7. Our estimates of density and population size reinforces the importance of the Ilha Grande as an important reservoir of the species. Therefore, the results presented herein can be a starting point to support future action plans for the species, making predictions regarding the ecosystem and management and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Abundance; Distance sampling; Ilha Grande State Park; Line-transect. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702018000100344 |
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| 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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| Ferreguetti,Atilla C.; Oliveira,Amanda B.M. de; Pereira,Bruno C.; Santori,Ricardo T.; Geise,Lena; Bergallo,Helena G.. |
| ABSTRACT Alouatta guariba clamitans Cabrera, 1940 is an endemic species of the Atlantic Forest that occurs from south Bahia, Brazil, extending south to the province of Misiones, Argentina. In Rio de Janeiro state, the species was classified as threatened, indicating that attention is needed for the conservation of this taxon. Additionally, an outbreak of yellow fever spread throughout the southeastern states of Brazil from January 2017 until March 2018 seriously threatening Rio de Janeiro populations of the species. Herein, we aimed to provide the first estimates of A. g. clamitans encounter rate, density, and population size in the Ilha Grande State Park (PEIG), which is part of the Atlantic Forest biome of Brazil. Data were collected in two different... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Distance sampling; Linear transect; Primates; Scan-sampling; Southern brown howler monkey. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702020000100305 |
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| 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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| Esbérard,Carlos E. L.; Bergallo,Helena G.. |
| É difícil comparar os resultados obtidos em inventários de morcegos, pois os esforços de coleta empregados diferem grandemente, e há obviamente influência nos resultados. O objetivo deste trabalho é comparar três inventários de morcegos realizados em ambientes similares no sudeste do Brasil e comparar o esforço de coleta empregado para aferir a riqueza de espécies de morcegos. Duas metodologias e três diferentes esforços de coleta foram usados: I) coleta com redes de neblina por toda a noite; II) coleta com redes por até seis horas a cada noite e III) coleta com redes armadas por 12 horas por uma ou duas noites em cada local, combinada com a busca ativa por refúgios. Nós comparamos as metodologias e os três esforços de coleta usando três unidades... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chiroptera; Inventário; Mata Atlântica; Métodos. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752008000100010 |
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| Esbérard,Carlos E. L.; Bergallo,Helena G.. |
| Pesquisadores brasileiros de morcegos concentram a atividade de coleta com redes de neblina na primeira metade da noite, onde é descrito que ocorre a maior parte da atividade das espécies a serem coletadas. Para avaliar os resultados quanto ao total capturado e a riqueza de espécies em parte da noite, analisamos o horário de captura em inventário realizado no sudeste do Brasil. A amostragem total compreendeu 570 capturas e 25 espécies de três diferentes famílias. Das 18 espécies em que foi possível calcular a média do horário de capturas, apenas duas espécies insetívoras aéreas apresentaram valores anteriores às 21:00 h. Notou-se grande similaridade quanto a abundância das espécies, tanto na primeira metade da noite quanto na segunda metade. A riqueza e o... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amostragem; Atividade; Métodos; Riqueza. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752005000400039 |
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| Registros recuperados: 12 | |
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