Definition of bacterioplankton
: plankton composed of bacteria … a 2-year study off the New Jersey coast detected seasonal patterns of bacterioplankton communities with distinct clusters of samples separated by season for each year and a distinction between summer and winter communities evident in the entire data set. — Stephen J. Giovannoni and Kevin L. Vergin, Science, 10 Feb. 2012
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1923
First Known Use of bacterioplankton
1923
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