Produktivitas Primer Berdasarkan Metode Oksigen Di Danau Tuok Tonga Desa Bulu…

Abstract Tuok Tonga lake in one of the oxbow lakes located in Siak Hulu Sub-District, Kampar District, Riau Province. This lake is used by the local community as a place to catch fish. A research aimed to understand the primary productivity based on oxygen method. A research was conducted in June-July 2019. Water samples were taken in three stations, that is Station 1 (inlet), Station 2 (m…