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Microhabitat use by Cnemidophorus vacariensis (Squamata: Teiidae) in the grasslands of the Araucaria Plateau, Rio Grande do Sul, Brazil 103
Caruccio,Rodrigo; Vieira,Renata C.; Verrastro,Laura.
Microhabitat use by Cnemidophorus vacariensis Feltrim & Lema, 2000 as studied between October 2006 and September 2007 in two rocky formations in the municipality of Bom Jesus. The area was searched randomly between 8:00 am and 6:00 pm and the microhabitat used by the lizards was recorded. Our observations revealed that C. vacariensis has terrestrial habits and prefers open areas. Burrows are the main microhabitat used by the species (56.38%). When in activity, 54.76% of the individuals were observed under rocks, and 38.1% on the ground where herbaceous vegetation was present. The rocks under which they constructed their burrows were on average significantly thicker during warmer seasons temperatures (x¯ = 13,45cm) with respect to colder seasons (x¯...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Burrows; Rocks; Thermoregulation; Shelter.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600011
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Approaches to capturing the Black and White Tegu Salvator merianae (Squamata: Teiidae) 103
Vieira,Renata C.; Oliveira,Arthur S. de; Fagundes,Nelson J.R.; Verrastro,Laura.
ABSTRACT The use of traps is extremely important in several types of ecological studies, and may assist in the capture of individuals in areas that are difficult to access. In the present study, we compared the effectiveness of wooden (Schramm) versus "Tomahawk" traps to capture Salvator merianae (Duméril & Bibron, 1839) lizards. The study was conducted in Eldorado do Sul, Rio Grande do Sul, Brazil. Field data were collected from August 2013 to March 2015, during the reproductive period of the species. The study involved two types of baited traps: i) "Tomahawk", made of galvanized steel; and ii) Schramm, a wooden trap. The capture rate of the Schramm wooden traps was 1.63 individuals/day, and of the "Tomahawk" was 0.36 individuals/day. These results...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Capture; Ecology; Traps; Tomahawk.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702015000400317
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The lizard that never sleeps: activity of the pampa marked gecko Homonota uruguayensis 76
Vieira,Renata C.; Verrastro,Laura; Borges-Martins,Márcio; Felappi,Jéssica F..
ABSTRACT It is generally assumed that lizards are active whenever climatic conditions are favorable. Homonota uruguayensis (Vaz-Ferreira & Sierra de Soriano, 1961) is the only native gecko - and nocturnal lizard - living in the northern Pampa biome, and its ecology is poorly known. This study aimed at describing this species’ pattern of daily and annual activity and its relation with environmental temperatures. The study was conducted in the extreme south of Brazil (Rosário do Sul, State of Rio Grande do Sul), between May 2010 and January 2011 at a rocky outcrop located in the Pampa biome. The study was carried out in a total of four seasonal field trips, totalizing 1185 hours of field work. The data were collected, both during the day and the night in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nocturnal activity; Uruguayan savanna; Seasonality; Thermal ecology.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212020000100211
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