2012
DOI: 10.1590/s1984-46702012000500003
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Diet and trophic niche of Lithobates catesbeianus (Amphibia: Anura)

Abstract: . Lithobates catesbeianus (Shaw, 1802) is an invasive anuran introduced in Brazil that is associated with the displacement and the decline of populations of native species worldwide. There is evidence that biological invasions are facilitated by certain attributes of the invading species, for instance niche breath, and that invasive species have a broader ecological niche with respect to native ones. We designed a study to ascertain the temporal, ontogenetic, and sex differences in the niche dynamics of the A… Show more

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Cited by 19 publications
(16 citation statements)
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References 37 publications
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“…Las especies de género Lithobates suelen considerarse de alta plasticidad al invadir y explotar variados ambientes, y los hábitos reproductivos asociados a charcas o pozas les brinda mayor independencia de fuentes de agua permanentes. Al respecto, Leivas et al (2012) mencionan que L. catesbeianus presenta una alta plasticidad tanto trófica como en el uso de microhábitats, siendo una especie con un alto éxito ecológico y tolerante a distintos ambientes. Una situación similar podría ocurrir con L. neovolcanicus, ya que se observó con una amplia distribución y que a pesar de tener preferencia por pozas de agua aledañas al río Colorado y dentro del mismo río, usa una gran cantidad de microhábitats.…”
Section: Discussionunclassified
“…Las especies de género Lithobates suelen considerarse de alta plasticidad al invadir y explotar variados ambientes, y los hábitos reproductivos asociados a charcas o pozas les brinda mayor independencia de fuentes de agua permanentes. Al respecto, Leivas et al (2012) mencionan que L. catesbeianus presenta una alta plasticidad tanto trófica como en el uso de microhábitats, siendo una especie con un alto éxito ecológico y tolerante a distintos ambientes. Una situación similar podría ocurrir con L. neovolcanicus, ya que se observó con una amplia distribución y que a pesar de tener preferencia por pozas de agua aledañas al río Colorado y dentro del mismo río, usa una gran cantidad de microhábitats.…”
Section: Discussionunclassified
“…Because free-living bullfrogs feed only by preying on insects, other invertebrates, and small vertebrates and its animal protein intake is consequently low (Hirai, 2004;Silva et al, 2009;Leivas et al, 2012), this protein-mineral deficiency is practically not observed.…”
Section: Discussionmentioning
confidence: 99%
“…The diet of free-living bullfrogs is based on invertebrates and small vertebrates (Hirai, 2004;Silva et al, 2009;Leivas et al, 2012). By contrast, captivity-reared bullfrogs consume balanced diets containing ingredients of animal and plant origins (Olvera-Novoa et al, 2007;Rodrigues et al, 2007;Castro et al, 2008).…”
Section: Introductionmentioning
confidence: 99%
“…The main threats to anurans in highland grasslands seem to be: erosion and soil instability due to anthropogenic activities, deforestation, biological invasion, fire, removal of ornamental plants, mining, urban expansion, climate change, installation of power transmission lines (Martinelli 2007, Mocochinski & Scheer 2008. Based on our field experience and on the recent literature (e.g., Leivas et al 2012, Rodriguez et al 2014, "[apparently the main threats for anuran fauna in highland grasslands seem to be: fire, disease, expansion of disturbed areas associated with human activities] MV Garey (personal communication)".…”
Section: Threats To Anuran Speciesmentioning
confidence: 99%
“…The only area of highland grasslands where there are records of an exotic species (Lithobastes catesbeianus) is the Campos do Jordão State Park in the Serra da Mantiqueira (Gomes 2009). This species has been introduced in many localities in Brazil for commercial purposes (Both et al 2011) and has many negative impacts on native anuran populations by competing (Kupferberg 1997) with preying (Leivas et al 2012) upon native species and transmitting pathogens (Schloegel et al 2010), which promoted the decline of some amphibian populations (Kats & Ferrer 2003). This species was also recorded in areas of Montane Rain Forest (between 700 and 800 m) of the Curucutu section of the Serra do Mar State Park (Malagoli 2013), which suggest the imminent risk to anurans in this region.…”
Section: Agriculture and Exotic Speciesmentioning
confidence: 99%