Wiktionary
hydrobiological
a. Of or pertaining to hydrobiology
Usage examples of "hydrobiological".
James I Hawley, a polite, if harried, hydrobiological engineer from Walnut Creek, California, might, if he existed.
A former assistant professor of research at the Hydrobiological Institute in Wuhan, Li Wen was a midlevel civil worker, a water-quality-control engineer for the central government.