Consequences of inbreeding and reduced genetic variation on tolerance to cadmium stress in the midge Chironomus riparius.

Abstract excerpt

Inbreeding and loss of genetic variation are considered to be major threats to small and endangered populations. The reduction of fitness due to inbreeding is believed to be more severe under stressful environmental conditions. We generated nine strains of the ecotoxicological model organism Chironomus riparius of different inbreeding levels in order to test the hypothesis that the inbreeding level and thus the...

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