Characteristics of the publications and authors A number of publications per year B top 10 Bulgarian lead authors C number of indexed publications D number of publications with international collaboration E number of accessible publications online F number of publications per institution G global distribution of foreign co-authors H number of authors per publication I language of the publication J most contributing journals and publishers to the ecosystem services research in Bulgaria. Abbreviations (1F): NIGGG-BAS—National Institute of Geophysics, Geodesy and Geography - Bulgarian Academy of Sciences, SU—Sofia University “St. Kliment Ohridski”, SRTI-BAS—Space Research and Technology Institute - Bulgarian Academy of Sciences, UVT—“St. Cyril and St. Methodius” University of Veliko Tarnovo, SWU—South-West University “Neofit Rilski”, ShU—“Konstantin Preslavsky” University of Shumen.

 
 
  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