Potential of the tourist regions to provide ES. A - Mean potential of the tourist regions to provide ES, B - Distribution of the potential scores within the tourist regions by area. Tourist regions: D - Dunav (The Danube); DR - Dolina na Rozite (Valley of the Roses); RP - Rila and Pirin; R - Rodopi (The Rhodopes); SC - Severno Chernomorie (North Black Sea coast); S - Sofia; SP - Stara Planina (The Balkan); T - Trakia (Thrace); YC - Yuzhno Chernomorie (South Black Sea coast).

  
  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