Synechococcus
(^) Temora
(^) temperature
(^) mesozooplankton secondary production and
(^) primary production and
(^) TEP. See transparent exopolymer
(^) Tevnia
(^) Tharyx
(^) Thysanoessa
(^) time-series studies. See also Atlantic time-series; Bermuda-Atlantic time-series
(BATS); Hawaii Ocean Time Series (HOT)
(^) time-stability hypothesis
(^) tintinnids
(^) top-down trophic cascades
(^) tortuosity
(^) total oxygen utilization rate (TOU)
(^) trace metals
(^) trades biome. See also subtropical gyre biomes
(^) transparency
(^) transparent exopolymer (TEP)
(^) trawls – benthic
(^) Trichodesmium
(^) trophic levels
(^) tropical instability waves (TIWs)
(^) turbidostats
(^) turbulence
(^) typological species
(^) unit stocks (fisheries)
(^) urochordates
(^) Vellela
(^) Vertebrata
(^) vertical migration
(^) food saturation effect
(^) vestimentiferans
(^) virtual population analysis (VPA)