Water hardness in Danish municipalities
- 1 municipality
- Species: Over 7.000
- Rain: 2,1–2,3 mm
- Radon: 15%–30%
- Protected areas: 20-40 km²
- Growth season: 240–245 days
- (-) Growth season: 240–245 days
- (-) Protected areas: 20-40 km²
- (-) Radon: 15%–30%
- (-) Rain: 2,1–2,3 mm
- (-) Species: Over 7.000