Table 1.
Climatic data, location, elevation, and average bud burst score of the studied T. cordata populations
| Population | Latitude (º North) | Longitude (º East) | Altitude (m) | No. of clones | T min May (ºC) | Bud burst April 19 2004 | Bud burst May 5 2006 |
|---|---|---|---|---|---|---|---|
| Bolderslev skov | 55.00 | 9.36 | 56.90 | 8 | 3 | 2.82 | 3.28 |
| Bøgebakke | 57.01 | 9.50 | 77.30 | 4 | 2 | 2.38 | 2.93 |
| Draved Skov | 55.02 | 8.97 | 20.00 | 9 | 4 | 2.75 | 3.24 |
| Ersted Skov | 56.80 | 9.78 | 32.80 | 10 | 2 | 1.76 | 2.66 |
| Holt Krat | 56.08 | 9.45 | 105.40 | 10 | 1 | 2.05 | 2.88 |
| Hønning | 55.18 | 8.94 | 36.10 | 5 | 4 | 2.32 | 3.04 |
| Kraruplund | 55.71 | 8.65 | 18.40 | 10 | 1 | 1.83 | 2.64 |
| Sevel Krat | 56.45 | 8.87 | 28.00 | 3 | 1 | 1.55 | 2.48 |
| Skovbjerg Krat | 55.93 | 8.68 | 19.00 | 5 | 1 | 1.34 | 2.14 |
| Skovsgårdslund | 57.10 | 9.49 | 14.10 | 6 | 2 | 2.61 | 3.03 |
| Åbybjerget | 57.19 | 9.76 | 11.30 | 11 | 2 | 2.44 | 2.99 |
| Årslev Skov | 55.02 | 9.37 | 76.00 | 10 | 3 | 2.93 | 3.16 |