Table 4.

Results of AMOVA to explore the spatial population structure in host species ( Daphnia galeata )

Source of variation	df	Percent variation	P -value
Among lakes	2	13.9	<0.001
Among individuals, within lake	155	86.1

Calculations were based on the frequency of alleles at 10 microsatellite loci in Daphnia host DNA. DNA was extracted from D. galeata representing a random host population sample, i.e., consisting of uninfected and infected individuals originating from three lakes sampled in 2004 (Římov, Vír and Želivka; see Table 1).