Proportion of the surface area of nationally designated sites per type of ecosystem

These broad ecosystem‑types represent different ways of clustering CLC units, so there are overlaps between them. For
instance, 'grasslands' and part of 'heaths and scrubs' are included in 'agro-ecosystems'. Similarly, 'lakes and rivers' are
included in 'wetlands'. This is why the sum of the ecosystems is over 100 %.