The evidence of acoustic variation among animal populations has inspired scientists to inquire about the evolutionary and ecological mechanisms that shape the divergence of songs and that have led to the emergence of ...

Several biotic and abiotic factors may influence species distribution patterns. Montane environments may represent barriers to species dispersal, especially in the tropics where isolation and allopatric speciation are ...

Acalypha L. is the third largest genus of Euphorbiaceae, with approximately 450 species. The genus is represented on almost all continents and its greatest diversity is reported to the Neotropics. In Brazil, Acalypha has ...

Intraspecific competition for resources during development and differences in resource quality may affect some life history traits of individuals. Adjustments in life history traits can be expressed by changes in body ...

The understanding of how variations in demographic processes directly influence population dynamics and persistence has been the focus of ecology for many years. It is already known that competition is one of the ecological ...