RIVER WATER QUALITY INSPECTION BY BIOLITHIC METHOD

The member of Indonesia’s Green Sanggar Community shows animals when the monitoring of river water quality using Biotilik methods in resik action activities in the river of the Kebonratu Open Space, Keplaksari Village, Peterongan District, Jombang Regency, East Java, Saturday (27/7/2019). Biotilik is a river water quality monitoring method by using indicators there is macro invertebrata (hewan is not repeated). ANTARA PHOTO/Syaiful Arif/wsj.