Assessing water quality in the Kelebek Stream branch (Gediz River Basin, West Anatolia of Turkey) using physicochemical and macroinvertebrate-based indices

This study was carried out in Kelebek, which is the most important stream Gediz River Basin, Turkey, to determine water quality by using macroinvertebrate-based metrics and physicochemial variables. In addition, we also aimed investigate effects of anthropogenic pressure dam construction on macroinvertebrates during period. this study, following biotic indices are used: Saprobi Index (SI), Biological Monitoring Working Party (BMWP), Average Score per Taxon (ASPT), Family Biotic (FBI), Belgian (BBI), as well diversity indices: Shannon-Weaver index (SWDI), Simpsons (SDI) Margalef (MDI). Collection macroinvertebrate samples physicochemical measurements were monthly for a year. As result identification, dominant macroinverterate group Insecta. Our results show presence 9 taxonomic belong nine groups: Oligochaeta, Mollusca, Crustacea, Ephemeroptera, Plecoptera, Trichoptera, Odonata, Coleoptera, Diptera. Canonical correlation analysis (CCA) indicates importance variables distribution different groups (total variance 88%), species 86.2%) 88.2%). The along Kelebek Stream variation from good class station #1, #2 #5, moderate #3 #4. We conclude that BMWP (Original), (Spanish), (Greek) ASPT suitable assessing health macroinvertebrates.