Repositório Digital

A- A A+

Temperature, urbanization and body color polymorphism in south brazilian populations of Drosophila kikkawai (Diptera, Drosophilidae)

.

Temperature, urbanization and body color polymorphism in south brazilian populations of Drosophila kikkawai (Diptera, Drosophilidae)

Mostrar registro completo

Estatísticas

Título Temperature, urbanization and body color polymorphism in south brazilian populations of Drosophila kikkawai (Diptera, Drosophilidae)
Autor Costa, Bartira Ercília Pinheiro da
Rohde, Claudia
Gaiesky, Vera Lucia da Silva Valente
Abstract Body color polymorphism of urban populations of cosmopolite fly Drosophila kikkawai Burla, 1954 was investigated in relation to its possible association with environmental temperature. Samples of D. kikkawai were collected in spring, summer, autumn and winter between 1987 to 1988, in zones with different levels of urbanization in the southern Brazilian city of Porto Alegre, Rio Grande do Sul. A clear association was observed between darker flies and both seasons with low temperatures and areas of low urbanization (where temperature is generally lower than in urbanized areas). Results of preliminary laboratory experiments involving six generations of flies grown in chambers at temperatures of 17o and 25oC confirmed this tendency to a relationship between body color and temperature, with allele frequency of the main gene involved in body pigmentation
Contido em Iheringia, zool. Porto Alegre, RS. Vol. 93, n. 4 (dez. 2003), p. 381-393
Assunto Drosophila kikkawai
Genética de populações
Polimorfismo cromático
[en] Color polymorphism
[en] Drosophila
[en] Temperature
[en] Urban populations
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/23044
Arquivos Descrição Formato
000425607.pdf (200.1Kb) Texto completo Adobe PDF Visualizar/abrir

Este item está licenciado na Creative Commons License

Este item aparece na(s) seguinte(s) coleção(ões)


Mostrar registro completo

Percorrer



  • O autor é titular dos direitos autorais dos documentos disponíveis neste repositório e é vedada, nos termos da lei, a comercialização de qualquer espécie sem sua autorização prévia.
    Projeto gráfico elaborado pelo Caixola - Clube de Criação Fabico/UFRGS Powered by DSpace software, Version 1.8.1.