Bogdan Prodanov, Radoslava Bekova, Iliyan Kotsev, Viktoriya Vachkova. HABITATS LOST: ANALYSIS OF THE EUTROPHICATION MAGNITUTE AT A PROTECTED COASTAL LAKE IN BULGARIA USING SATELLITE AND DRONE IMAGERY. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Ecology, Economics, Education and Legislation, 2021, pp. 139-146. https://doi.org/10.5593/sgem2021/5.1/s20.032