"Phytoplankton abundance" refers to the amount or number of tiny plants (called phytoplankton) found in a body of water, such as a lake or the ocean. Full definition
The measurements also showed increases in phytoplankton abundance at the surface. (sciencedaily.com)
«When you look at satellite images of phytoplankton abundance around Antarctica, you see these areas that just light up,» Arrigo said. (scientificamerican.com)
Local researchers have also found that increasing water temperatures and the decline of phytoplankton abundance have hastened the decline of Northern shrimp, which have been an important winter fishery for local fishermen. (climatechangenationalforum.org)