Rhodophyta
(^) Ridgea
(^) Riftia pachyptila
(^) Rimicaris exoculata
(^) rivet hypothesis (fisheries)
(^) Sagitta
(^) salinity
(^) salps
(^) sampling gear
(^) sardines
(^) Sargasso Sea
(^) sargassum weed
(^) satellite chlorophyll estimation. See also CZCS and SeaWiFS
(^) scaly-foot gastropods
(^) scattering layers
(^) school-mix feedback loop (fisheries)
(^) school trap (fisheries)
(^) SCOC. See sediment community oxygen consumption
(^) Scyphozoa
(^) seabirds
(^) seasonal cycling in the benthic zone
(^) seasonal variations in indicator species
(^) seawater. See water
(^) SeaWiFS
(^) secondary productivity
(^) Hirst models
(^) Huntley-Lopez model
(^) sediment community oxygen consumption (SCOC)
(^) sediment sculpting
(^) sediment ‘stack’ (Lisiecki and Raymo)
(^) sediment bioturbation and stratigraphy
(^) sediment trapping
(^) shear
(^) Simpson’s diversity index
(^) sinking rates