Potential of the natural heritage to provide ES. A - provisioning, B - regulating, C - cultural, D - overall. 0 - no potential; 1 - very low potential; 2 - low potential; 3 - moderate potential; 4 - high potential; 5 - very high potential.

 
  Part of: Nedkov S, Nikolova M, Prodanova H, Stoycheva V, Hristova D, Sarafova E (2022) A multi-tiered approach to map and assess the natural heritage potential to provide ecosystem services at a national level. One Ecosystem 7: e91580. https://doi.org/10.3897/oneeco.7.e91580