Table 1.

Population characteristics

						One-way ANOVA
Locality	Code	Sample no.	Ploidy level	Sample/standard ratio (mean)	Maximum difference (fold)	F	P
Rokytná River*
M. Krumlov—plate	Mx	5	4x	3·017	1·026	41·88	<0·001
M. Krumlov—slopes†	M1	3	2x	3·041	1·015	49·51	<0·001
M. Krumlov—Floriánek	M2	3	2x	1·565	1·018	18·26	<0·001
Rokytná—Tábor	M3	3	2x	1·543	1·022	49·79	<0·001
Rokytná—Slepen. skály	M4	4	2x	1·551	1·024	59·88	<0·001
Budkovice	M5	3	2x	1·670	1·011	1·95	0·177
Ivančice	M6	3	2x	1·535	1·032	26·62	<0·001
Pálava Hills*
Mikulov—Sv. Kopeček	P1	3	4x	3·098	1·121	266·77	<0·001
Mikulov—Kočičí skála	P2	3	4x	2·984	1·005	1·07	0·368
Klentnice—Stolová hora	P3	3	4x	3·044	1·008	2·31	0·134
Pavlov—Děvín	P4	3	4x	3·022	1·011	3·11	0·074
Pavlov—Dívcí hrady	P5	3	4x	3·024	1·010	6·07	0·012
Vltava River*
Praha-Suchdol	C1	3	4x	2·950	1·021	37·92	<0·001
Roztoky-Žalov	C2	3	4x	3·012	1·051	30·53	<0·001
Podmoráň	C3	3	4x	2·942	1·010	6·24	0·011
Větrušice—North-1	C4A	6	2x	1·542	1·022	9·12	<0·001
Větrušice—North-2	C4B	5	2x	1·538	1·056	69·60	<0·001
Větrušice—Central-1	C4C	2	2x	1·554	1·006	6·48	0·029
Větrušice—Central-2	C4D	6	2x	1·544	1·027	19·62	<0·001
Máslovice—East	C5	3	4x	3·027	1·014	3·88	0·044
Máslovice—West	C6	3	4x	2·963	1·042	144·92	<0·001
Isolated populations
Bedřichovice—Horky	H	5	4x	2·914	1·021	15·90	<0·001
Adamov—Skalní mlýn	K	5	2x	1·554	1·018	15·52	<0·001
Praha—Prokopské údolí	S	5	4x	2·953	1·077	206·48	<0·001

^*Transects

^†The only diploid sample from a mixed population was excluded from the analysis.