Status Trofik Danau Tajwid Di Kecamatan Langgam, Kabupaten Pelalawan, Provins…

Nygaard Indeks is an index which can be used to determined the trophic state of water, based on phytoplankton composition. To understand the trophic state of the Tajwid Lake, a research was conducted on March – April 2018. There were three sampling stations, namely station 1 (inlet area), station 2 (in the middle of the lake), station 3 (distal area of the lake). In each station, there were t…