Characteristics of the ecosystem services research A assessed ES types in studied publications B distribution of the assessed ES C assessed supply-demand D ES assessment methods E mapping methods F matrix mapping methods G international case studies H Bulgarian case studies I distribution of all publications with ES maps between assessment methods J distribution of research papers with ES maps between assessment methods.

 
 
  Part of: Nedkov S, Stoycheva V, Prodanova H, Ananiev I, Yordanov Y (2024) Twenty years of ecosystem services research in Bulgaria: lessons learned and future directions from a geographical perspective. BioRisk 22: 33-52. https://doi.org/10.3897/biorisk.22.125194