BALWOIS 2004 Ohrid, Macedonia, 25-29 May 2004   GILL LESIONS IN PRESPA BARBELL (BARBUS PRESPENSIS) INHABITING A POLLUTED AREA OF PRESPA LAKE   Danica Roganovic-Zafirova, Adriana Spasova Faculty of Natural Sciences and Mathematics bb Arhimedova, Skopje, Republic of MACEDONIA dazaro@iunona.pmf.ukim.edu.mk The presentation will focus on gill lesions observed in prespa barbell individuals caught from […]