| Country of the unit : | Denmark |
| Unit number: | DNK00030 |
| National gene conservation unit number: | DNK00030 |
| Province or state: | |
| Department or county: | |
| Municipality: | |
| Local name : | Hammerknuden |
| Latitude : | 55°17'32.640000000002"N |
| Longitude : | 14°45'56.880000000002"E |
| Restriction in making the geographical coordinates publically available: | 0 |
| Datum: | |
| Polygon coordinates (if available): | |
| Minimum elevation (m): | 19 |
| Maximum elevation (m): | 19 |
| Surface area of the unit (ha): | 137.1 |
| Ownership of the unit : | Public |
| Type and function of the unit : | Gene reserve forest |
| Monthly temperature (°C): | |
| Total annual mean precipitation (mm): | |
| Heat sum and/or length of the growing season (in days): | |
| Accumulated moisture deficit: | |
| Year of collection of the field data entered: | 2000 |
| Year of the most recent visit: | 2000 |
| Remarks on specific soil characteristics: | |
| Remarks on other specific characteristics of the unit: | |
| All tree species growing in the unit: | Sorbus aucuparia; Prunus avium; Prunus spinosa; Juniperus communis; Sorbus intermedia; Cotonoaster melanocarpus; Quercus robur; Cotonoaster integerrimus; Rosa canina |
| Target species: | Prunus avium; Quercus robur; Sorbus aucuparia; Sorbus intermedia |