Development of a macroinvertebrate-based biotic index to assess water quality of rivers in Niger State, North Central Ecoregion of Nigeria

Assie, Attobla Fulbert; Arimoro, Francis O.; Ndatimana, Gilbert; Keke, Unique N.; Ayanwale, Adesola V.; Edia, Edia O.; Edegbene, Augustine O.