Largest biomass displacement
Last updated: October 9, 2017 at 17:24 pm
Daily movement of zooplankton such as copepods and krill that swim up from deep water towards the light to feed on phytoplankton which stay close to the surface. The phenomenon is known as phototaxis and it is the largest biomass displacement in the world.
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Jeffrey Gallant is the Editor-in-Chief and Records Keeper of the Diving Almanac. He is also a contributing editor of DIVER Magazine, and the scientific director of the Greenland Shark and Elasmobranch Education and Research Group (GEERG). Jeffrey started diving in 1982.