Table 1.

Site details. Further information can be found in Cronk et al. (2015).

SITE#	Country	Lat N	Long E	Alt (m)
1	Greece	38.80007	22.4629	37
2	Greece	38.902	22.31015	33
3	Greece	39.306694	22.528323	177
4	Greece	40.032685	22.175437	534
5	Greece	41.113317	23.273893	31
6	Bulgaria	41.412468	23.318609	90
7	Bulgaria	42.165622	22.998141	392
8	Bulgaria	42.923989	23.810563	339
9	Bulgaria	43.739343	23.966755	35
10	Romania	44.260343	23.786781	81
11	Romania	44.961981	23.190337	172
12	Romania	45.510676	22.737225	556
13	Romania	46.518504	21.512839	102
14	Hungary	46.700744	21.31268	94
15	Hungary	47.665648	21.261768	91
16	Hungary	48.374291	20.725264	148
17	Poland	49.463447	21.697255	385
18	Poland	50.470234	22.238372	157
19	Poland	50.673994	21.823391	141
20	Poland	51.775039	21.1971	101
21	Poland	52.69398	21.8529	96
22	Poland	53.55483	22.30299	128
23	Poland	54.06943	23.11745	137
24	Lithuania	54.92583	23.7742	28
25	Lithuania	55.79557	24.56678	62
26	Latvia	56.71141	24.25162	23
27	Latvia	57.74963	24.4023	7
28	Estonia	58.42257	24.44063	18
29	Estonia	59.40289	24.93577	48
30	Finland	60.27299	24.65843	33
31	Finland	61.09965	25.6282	84
32	Finland	62.04962	26.12369	174
33	Finland	63.01589	25.80457	139
34	Finland	64.05074	25.52664	91
35	Finland	64.61287	25.53805	58
36	Finland	65.32835	25.29175	1
37	Finland	66.24947	23.8945	51
38	Finland	67.21253	24.12629	160
39	Finland	67.91183	23.63411	233
40	Norway	68.8138	23.26658	374
41	Norway	69.72487	23.40581	289