Keanekaragaman Ikan Pada Sungai Siak Kelurahan Tebing Tinggi Okura Kecamatan …

Abstract Decreased water quality greatly affects the life of various aquatic organisms, one of which is fish. Various community activities around the watershed can produce a variety of contaminants, both organic and inorganic. These pollutants can contaminate the river either directly or indirectly. The polluted aquatic environment will affect the diversity of fish. The purpose of this stu…