cytochrome oxidase I gene
environmental calcium
Gammarus fossarum
intraspecific variability
mitochondrial DNA
populations
FRENCH CHALK STREAM
GENETIC DIFFERENTIATION
NORTHEASTERN BAVARIA
SPECIES CRUSTACEA
PULEX-GROUP
DIVERSITY
DYNAMICS
EUROPE
SEQUENCES
ROESELI
[SDE.BE] Environmental Sciences/Biodiversity and Ecology
[SDV.BID] Life Sciences/Biodiversity
[SDV.EE] Life Sciences/Ecology, environment