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Registros recuperados: 5
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Seasonal variation in foraging group size of crab-eating foxes and hoary foxes in the Cerrado Biome, Central Brazil Mastozool. neotrop.
Lemos,Frederico Gemesio; Facure,Kátia Gomes.
In regions with a pronounced dry season, such as the Cerrado Biome (Brazilian savannah), climate seasonality may affect food availability for canid species and, consequently, their foraging behavior. We investigated seasonal variation in foraging group size of crab-eating foxes (Cerdocyon thous) and hoary foxes (Lycalopex vetulus) in the Cerrado region for three consecutive years. Data were obtained by direct observations of foraging foxes during spotlight surveys. Both species were sighted foraging individually or in pairs with or without their juvenile offspring. However, crab-eating foxes foraged in pairs more frequently in the wet season and individually more frequently in the dry season whereas hoary foxes foraged mostly individually throughout the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Crab-eating fox; Direct counts; Hoary fox; Reproduction; Social behavior.
Ano: 2011 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-93832011000200006
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Dinâmica da comunidade arbórea em uma floresta estacional semidecidual sob queimadas recorrentes Acta Botanica
Peixoto,Karine da Silva; Sanchez,Maryland; Pedroni,Fernando; Ribeiro,Michele Novaes; Facure,Kátia Gomes; Gomes-Klein,Vera Lucia; Guilherme,Frederico Augusto Guimarães.
Os efeitos do fogo sobre a mortalidade de árvores podem alterar a composição e estrutura da vegetação, dependendo da intensidade, frequência e duração das queimadas. Monitoramos áreas de floresta sujeitas a diferentes frequências de fogo no Parque Estadual da Serra Azul, Barra do Garças, MT: 0,9 ha queimaram em 2007 (Q1) e 0,9 ha em 2005 e 2007 (Q2). A dinâmica foi referente ao intervalo médio de 2,02 anos, de forma que o primeiro levantamento (T1) ocorreu em outubro/2006-maio/2007 e o segundo levantamento (T2) em março/2009, considerando indivíduos com PAP > 15 cm. A diversidade (H') e a riqueza de espécies (estimada por Jackknife) foram maiores em Q2, nos dois levantamentos. Ocorreu a diminuição significativa na densidade em Q1 e Q2, mas a proporção...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dinâmica florestal; Distúrbios; Incêndios florestais; Mortalidade.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062012000300020
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New record of Amphisbaena fuliginosa (Squamata, Amphisbaenidae) for the Cerrado Biome, in an area of extensive cattle ranching Biota Neotropica
Lemos,Frederico Gemesio; Facure,Kátia Gomes.
Samples of Amphisbaena fuliginosa from the Cerrado biome are scarce and additional data are needed to clarify the geographic distribution and patterns of differentiation of this species. During field works at a cattle farm in the south of the state of Goiás, Central Brazil, we found an adult individual of A. fuliginosa. Our specimen represents the southernmost record for the species, extending its distribution 150 km. The color is similar to that described for other specimens from Goiás state, corroborating the uniform pattern observed for Cerrado populations. We suggest that the fossorial habits of A. fuliginosa may allow its occurrence in anthropogenic habitats by offering protection against the changes in natural vegetation.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Central Brazil; Color pattern; Environmental changes; Fossorial habits; Geographic distribution; Herpetofauna.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032007000100031
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Courtship, vocalization, and tadpole description of Epipedobates flavopictus (Anura: Dendrobatidae) in southern Goiás, Brazil Biota Neotropica
Costa,Ronan Caldeira; Facure,Kátia Gomes; Giaretta,Ariovaldo Antonio.
Epipedobates flavopictus is a diurnal, aposematic dendrobatid with a wide distribution in seasonal wet tropical regions of Brazil. We describe the daily period of vocalization, advertisement call, courtship behavior, and tadpole of E. flavopictus from a previously unknown population in southern Goiás and compare theses features with that of other populations. Studies were carried out in November (2004) and February (2005). We counted the number of calling males and duration of calling bouts in the morning and evening periods. The advertisement call was recorded with a digital recorder. Tadpole description was based on specimens collected in pools. Males called from well-illuminated sites such as rocky fields, rain channels, and borders of riverine forests....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Populational variation; Brazilian Cerrado; Habitat; Pattern of activity; Behavior; Reproduction; Advertisement call.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032006000100006
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Reproductive ecology and behavior of Thoropa miliaris (Spix, 1824) (Anura, Leptodactylidae, Telmatobiinae) Biota Neotropica
Giaretta,Ariovaldo Antonio; Facure,Kátia Gomes.
Thoropa species are distributed in southern and southeastern Brazil and have semiterrestrial tadpoles on rocky environments. Herein, we provide further data on reproduction, paternal care and tadpole cannibalism in T. miliaris. Guarding males were tested for disturbances in their egg masses. Egg masses were laid in stripes of wet rock; eggs were in a single layer and were adhered to the rock surface, roots, and to one another. The tadpoles hatched between four and six days. The egg number in two egg masses was 750 and 1190; eggs were gray and the yolk were about 1.7 mm in diameter; 2.3 mm with the jelly capsule. Aggressive interactions were observed between males. Males remained with their egg masses during the night and reacted aggressively to the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Thoropa miliaris; Parental care; Reproduction; Cannibalism; Atlantic forest; Brazil.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032004000200008
Registros recuperados: 5
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