1. of or relating to the study of aquatic organisms and their interactions with water environments
Usage: technical; scientific

Examples

• The research team conducted a hydrobiological survey of the lake to assess water quality.
• Hydrobiological studies revealed significant changes in fish populations after the dam was built.
• The university established a hydrobiological laboratory to monitor river ecosystems.
• Hydrobiological data helped scientists understand the impact of pollution on aquatic life.
• The hydrobiological assessment indicated a healthy diversity of organisms in the wetland.