The protected plant species distribution in the territory of Kaliningrad region in the middle of XX century (bottom figure) and early XXI century (top figure).

 
 
  Part of: Romanov AA, Koroleva EG, Dikareva TV (2017) Integration Species and Ecosystem Monitoring for Selecting Priority Areas for Biodiversity Conservation: Case Studies from Palearctic . Nature Conservation 22: 1-28. https://doi.org/10.3897/natureconservation.22.10711