Influence of ambient ultraviolet radiation on Bufo calamita egg development in a semiarid zone (Catalonia, Spain).
J Environ Biol
;
2008 Jan; 29(1): 135-7
Artigo
em Inglês
| IMSEAR
| ID: sea-113812
ABSTRACT
Several experiments have shown that ambient ultraviolet-B radiation (UV-B) has negative effects on the development of amphibians' embryos. We studied the effects of UV-B radiation on development, survival and frequency of deformity during egg development in the Natterjack toad (Bufo calamita) from a semiarid region of Lleida (Catalonia, Spain). Eggs exposed to ambient levels of UV-B and those protected from UV-B with a filter exhibited similar developmental rate, mortality rate and frequency of developmental anomalies. These experiments show that eggs of Bufo calamita of the studied population are able to develop normally during embryonic period when exposed to current high levels of UV-B observed in Catalonia. These results will be used as reference for future studies on geographic variation in UV-B tolerance in this species.
Texto completo:
DisponíveL
Índice:
IMSEAR (Sudeste Asiático)
Assunto principal:
Óvulo
/
Espanha
/
Anormalidades Congênitas
/
Fatores de Tempo
/
Raios Ultravioleta
/
Análise de Sobrevida
/
Dinâmica Populacional
/
Clima Desértico
/
Animais
País/Região como assunto:
Europa
Idioma:
Inglês
Revista:
J Environ Biol
Ano de publicação:
2008
Tipo de documento:
Artigo
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