Plankton can be divided into many groups, but the most common divisor is between zooplankton and phytoplankton. Jellyfish are zooplankton; zoo is Greek.
The underlying assumption in converting LISST measurements into PSD is that particles are homogeneous spheres. Near-forward light scattering by particles.
The Marine Environment1 How physical and chemical properties of water affect life in the sea.
MEDFLUX: Use of Amino Acid Degradation Indices to Examine Exchange Between Sinking and Suspended Particles Cindy Lee, Zhanfei Liu, Stuart Wakeham & Rob.
Plankton Controls on Suspended Sediments and Water Clarity in Chesapeake Bay