PHYSICO–CHEMICAL PARAMETERS AND BENTHIC MACRO-INVERTEBRATE COMMUNITIES OF CALABAR RIVER, NIGERIA. FJS [Internet]. 2023 Apr. 11 [cited 2025 Sep. 12];3(3):567-75. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/1603