b6a3875d-8ef8-4912-949f-b8dab2c73553 Coastal ecosystem monitoring in the Saronikos Gulf (Eastern Mediterranean) 1985-01-01 This long-term monitoring program, active since 1985, focuses on environmental quality and biodiversity in the Saronikos Gulf, Greece. Seasonal sampling targets phytoplankton, zooplankton, benthic organisms, habitats, and hazardous substances to support ecosystem assessment. Sampling is stratified over depth (0-90 m) and season, including CTD profiling and sediment analysis. The program informs biogeochemical dynamics and biodiversity trends in a semi-enclosed coastal system heavily influenced by urban and industrial inputs. Saronikos Gulf Eastern Mediterranean coastal monitoring benthic fauna Soultana Zervoudaki Hellenic Centre for Marine Research (HCMR) tanya@hcmr.gr Saronikos Gulf, Greece 23.5306 23.7588 37.7836 37.9039