Anthropogenic noise is a pervasive feature of the coastal ocean soundscape and intensifying as vessel traffic activity increases. Low-frequency sounds from wave action on reefs or anthropogenic have been shown to initiate larval settlement marine invertebrates accelerate metamorphosis juvenile stages. These results suggest that some planktonic species can perceive be impacted by sound. Hence, w...

An investigation of zooplankton in a tropical stream Akwa Ibom State was carried out at three different stations between April and June, 2019. From the study it is revealed that species were wide spread abundant all studied with station 3 recording highest total abundance 124 ind. / l. Eight identified during which include; Arcella sp, Askenasia faurei Difflugia acuminate for protozoa while Bra...