Damage on Ulmus minor caused by Ophiostoma novo-ulmi in Central park: A – dying tree (8 July 2016); B – dead tree (9 August 2017); C – galleries of elm bark beetle, Scolytus multistriatus (9 August 2017).

  Part of: Dimitrov S, Georgiev G, Georgieva M, Gluschkova M, Chepisheva V, Mirchev P, Zhiyanski M (2018) Integrated assessment of urban green infrastructure condition in Karlovo urban area by in-situ observations and remote sensing. One Ecosystem 3: e21610. https://doi.org/10.3897/oneeco.3.e21610