1. MULTIPLE IMPACT ASSESSMENT AND WATER QUALITY BASED ON DIATOM, BENTHIC INVERTEBRATE AND FISH COMMUNITIES IN THE ARIEȘ RIVER CATCHMENT AREA (TRANSYLVANIA, ROMANIA). Authors: KARINA PAULA BATTES, MIRELA CÎMPEAN, LAURA MOMEU, ANCA AVRAM, KLAUS WERNER BATTES, IONUȚ VIOREL STOICA.