Abstract
The action of atmospheric particulate matter (MPA) from the steel industry will be evaluated in: (1) Nile Tilapia (Oreochromis niloticus), a euryhaline species of commercial interest, whose physiological and biochemical parameters are well known; (2) a top-of-the-chain species, Sea Bass (Centropomus parallelus), which is an indicator of the real effects on the estuary environment. Specime…