Status Ekologis Lingkungan Perairan Sungai Siak Kota Pekanbaru Dengan Bioindi…

The Siak River has been polluted due to anthropogenic activity around the waters of the river. It can impact the decline in water quality and disturb macrozoobenthos along with the whole ecosystem. This research aimed to determine ecological status using macrozoobenthos as a bioindicator in the Siak River, Pekanbaru City, with an ABC curve. This research was conducted in July–August 2023 at 4…