Daphnia hybridization along ecological gradients in pelagic environments: the potential for the presence of hybrid zones in plankton

Abstract

Different spatial distribution of parental species and hybrids within the Daphnia longispina complex along environmental gradients in the canyon-shaped reservoirs suggests potential for emergence of spatially restricted hybrid zones in plankton.

Keywords

• interspecific hybridization
• Daphnia longispina complex
• hybrid zones
• canyon-shaped reservoirs
• ITS-RFLP
• allozyme electrophoresis
• asexual reproduction
• fish predation
• trophic level