Produktivitas Primer Berdasarkan Metode Oksigen Di Danau Tajwid Kecamatan Lan…

Tajwid lake is one of the oxbow lakes located in Langgam Sub-District, Pelalawan Regency, Riau Province. This lake is used by the local community as a place to catch fish and tourism objects. The research aimed to understand the primary productivity based on oxygen method in the Tajwid Lake. This research was conducted in March-April 2018. There were three sampling stations namely Station 1 (in…