| Group / Class | Area 2015 in hectare | Area 2018 in hectare | Net change1 2018 to 2015 in hectare | Net change1 2018 to 2015 in % |
|---|---|---|---|---|
| 1: The purpose of showing net changes is to cover real changes. This is why changes below a specific threshold (referring to the area and compactness) are not explicitly shown and are interpreted as technical inaccuracy of geodata analysis. | ||||
| Tidal flats | 301,891 | 301,576 | -288 | -0.1 |
| Tidal flats with macrophytes | 25,092 | 20,791 | -2,262 | -9.0 |
| Tidal flats with mussel beds | 2,548 | 2,847 | 266 | 10.4 |
| Other tidal flats | 274,252 | 277,938 | 1,708 | 0.6 |
| Coastal waters | 744,904 | 744,918 | 6 | 0.0 |
| Coastal sea macrophytes | 17,483 | 17,272 | -212 | -1.2 |
| Coastal reefs | 98,032 | 98,032 | 0 | 0.0 |
| Coastal sandbanks | 30,712 | 30,712 | 0 | 0.0 |
| Other coastal waters | 598,677 | 598,902 | 218 | 0.0 |
| Open sea | 1,338,741 | 1,338,743 | 0 | 0.0 |
| Open sea with macrophytes | 0 | 0 | 0 | 0.0 |
| Open sea reefs | 81,800 | 81,720 | 0 | 0.0 |
| Open sea sandbanks | 87,494 | 87,574 | 0 | 0.0 |
| Other seabeds in the open sea | 1,169,447 | 1,169,449 | 0 | 0.0 |
As at 31 May 2022