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“saproplankton”
Plankton found on the surface of stagnant water: Saproplankton inhabit or dwell in water rich in decaying organic matter or in foul waters.
It may consist primarily of "saprophytes".
This entry is located in the following units:
plankto-, plankt-, -plankton
(page 6)
sapro-, sapr-, sap- +
(page 3)