{"refrec":{"BRefID":437284,"RR":"<b>Janowski, L.; Dziaduch, D.; Baranska, A.; Edut, J.; Zelewska, I.; Kaczmarek, N.; Szefler, K.; Wójcik, M.; Wróblewski, R.; Opiola, R.; Gajewski, J.; Kaminska, M.; Jurkiewicz-Gruszecka, E.; Marciniewicz-Mykieta, M.</b> (2025). High-resolution predictive mapping reveals novel benthic habitats in the southern Baltic Sea. <i>Sci. Total Environ. 1009</i>: 180997. <a href=\"https://dx.doi.org/10.1016/j.scitotenv.2025.180997\" target=\"_blank\">https://dx.doi.org/10.1016/j.scitotenv.2025.180997</a>","BEntID":435115,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Sci. Total Environ. 1009</i>: 180997. <a href=\"https://dx.doi.org/10.1016/j.scitotenv.2025.180997\" target=\"_blank\">https://dx.doi.org/10.1016/j.scitotenv.2025.180997</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Janowski, L.; Dziaduch, D.; Baranska, A.; Edut, J.; Zelewska, I.; Kaczmarek, N.; Szefler, K.; Wójcik, M.; Wróblewski, R.; Opiola, R.; Gajewski, J.; Kaminska, M.; Jurkiewicz-Gruszecka, E.; Marciniewicz-Mykieta, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Janowski, L. <i>et al.</i>","Englishabstract":"Marine benthic habitats are essential for biodiversity and ecosystem functioning, yet their complexity and inaccessibility challenge effective mapping and management. This study presents the first high-resolution predictive benthic habitat maps at the EUNIS Level 5 for the Polish Exclusive Economic Zone (EEZ) in the southern Baltic Sea, covering over 7000 km2 of direct high-resolution measurements. Using advanced hydroacoustic technologies—multibeam echosounders and side-scan sonars—combined with 1425 sediment grab samples and underwater video ground-truthing, we applied a Random Forest classifier trained on bathymetric derivatives via Object-Based Image Analysis (OBIA). The model achieved high accuracy: 96.94 % overall and a kappa coefficient of 0.94 for substrate classification, and 97.88 % overall with a kappa of 0.97 for dominant species. We identified 47 distinct benthic habitats, including 24 novel EUNIS Level 5 unique to the southern Baltic, requiring the proposal of three new EUNIS Level 4 categories to maintain taxonomic hierarchy. 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