Results 91 to 100 of about 1,614 (200)

Widespread occurrence of the American Bullfrog, Lithobates catesbeianus\ud (Shaw, 1802) (Anura: Ranidae), in Brazil

open access: yes, 2011
We report new records of Lithobates catesbeianus feral populations in Brazil. Data were based on fieldwork, natural \ud history collection records, and literature and electronic database searches.
Both, Camila   +11 more
core   +1 more source

Gonadal, body color, and genotoxic alterations in Lithobates catesbeianus tadpoles exposed to nonylphenol

open access: yesEnvironmental Science and Pollution Research, 2019
Endocrine disrupting chemicals are one of the most important factors contributing to worldwide amphibian decline. The 4-nonylphenol (NP) is a degradation product of several compounds, such as detergents and pesticides, affecting the aquatic environment.
María Florencia Scaia   +4 more
openaire   +4 more sources

The invasive American bullfrog (Lithobates catesbeianus) in the Republic of Korea: history and recommendations for population control

open access: yes, 2019
The American bullfrog, Lithobates catesbeianus, has been introduced to all continents with suitable environments and most populations are now viable. This is also the case of the Korean Peninsula, where the invasive L.
장이권
core   +1 more source

Ní­­veis de energia metabolizável para rações de rã touro

open access: yesBoletim do Instituto de Pesca, 2018
O objetivo do presente estudo foi avaliar os efeitos da interação entre o ní­­vel de proteí­­na bruta (PB) e de energia metabolizável (EM) na ração de rãs através do desempenho dos animais (ganho de peso, consumo alimentar, conversão alimentar) e do ...
Josevane Carvalho CASTRO   +3 more
doaj  

Relative abundance of amphibians in forest canopy gaps of natural origin vs. timber harvest origin [PDF]

open access: yesAnimal Biodiversity and Conservation, 2010
Small-scale canopy gaps created by logging may retain adequate habitat structure to maintain amphibian abundance. We used pitfalls with drift fences to measure relative abundance of amphibians in 44 harvested gaps, 19 natural treefall gaps, and 36 closed-
Strojny, C. A., Hunter, M. L., Jr.
doaj  

Microhabitat preference in American bullfrog tadpoles (Lithobates catesbeianus) in relation to predation pressure

open access: yes, 2020
Predation risk is among the key forces driving the evolution of escape behaviours and related phenotypes. Successful avoidance of predators results in increased survival rate and fitness.
장이권
core   +1 more source

A criação de rãs como proposta de agronegócio na aquicultura: viabilidade econômica baseada em conversão alimentar

open access: yesBoletim do Instituto de Pesca, 2018
A ranicultura é uma atividade aquí­­cola pouco representativa no perfil socioeconômico do paí­­s, acarretando em pouco investimento tecnológico e desenvolvimento nas indústrias de insumos. Entretanto, o crescente interesse no consumo de carnes brancas e
Carla Renata MOREIRA   +2 more
doaj  

Reproduction of the exotic bullfrog Lithobates catesbeianus (Shaw, 1802) (Anura, Ranidae) in creeks of the Atlantic Rainforest of Minas Gerais, Brazil [PDF]

open access: yesBiotemas, 2010
Reproduction of the exotic bullfrog Lithobates catesbeianus was studied every two months from January 2005 to December 2006, analyzing tadpoles, juveniles, and adult vocalizations at three creeks located in the largest Brazilian center of ornamental fish
Lilian Gomes Afonso   +4 more
doaj  

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