Seagrass and macroalgal percent cover by species began in 2022, Braun-Blanquet method used prior to 2022, presence, density of bay scallops and sea urchins, epiphyte density on seagrass blades, bottom sediment type. Temperature (C), Salinity (ppt), Dissolved Oxygen (mg/L), and pH (SU) included since 2016. Depth (m), secchi (m) and canopy height (cm) are additional parameters recorded in the Nature Coast AP seagrass data.