"Planktonic" refers to tiny organisms that float or drift in water bodies, such as oceans or lakes. They are unable to swim against currents and are an essential part of the food chain for larger marine animals. Full definition
He is interested in palaeoclimate proxies, biotic evolution and stratigraphy, with particular emphasis on the fossil record of planktonic foraminifera from deep sea cores. (royalsociety.org)
Over the weeks of residence, they also studied the fluctuations and migrations of planktonic organisms in the water column, still a focus of research today. (discovermagazine.com)
He also studies the impact of changes in sea ice on marine planktonic ecosystems by developing biophysical models such as the coupled Biology - Ice - Ocean Modeling and Assimilation System (BIOMAS). (psc.apl.uw.edu)