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All Journal Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan
Agustri Minggu Samosir Minggu Samosir
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Earth & Planetary Sciences

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Trophic state of the Tanjung Putus Lake, Siak Hulu District, Kampar Regency, Riau Province based on Trophic States Index Agustri Minggu Samosir Minggu Samosir; Tengku Dahril; Asmika H Simarmata
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

 ABSTRACTMany activities in Tanjung Putus Lake Buluh Cina Village, Kampar District, Riau contributed the input of organic and anorganic matter that affectsthe water quality, especially nutrient concentration in waters.  A research aims to understand the trophic state of Tanjung Putus Lake, Buluh Cina Village, Kampar District, Riau based on TSI has been conducted on March, 2018. There were 3 station namely station 1 (inlet area), station 2 (in the middle of lake) and station 3 (outlet area). In each stations, there were 2 sampling sites, in the surface and in the middle of water column. Sampling was done three times, onces a week. Water quality parameters measured were transparency, temperature, pH, dissolved oxygen, phosphate and nitrate concentration. Results shown that transparency : 85.17 – 96.50 cm, total phosphorus : 100.3 – 143.8 µg/L, chlorophyll-a : 6.406 – 8.497 µg/L, depth :160 cm – 250cm, temperature 30.2 – 31.8 ºC, 5, dissolved oxygen 4.82 – 6.48 mg/L and nitrate : 0.04 – 0.06mg/L TSI value (60.352-66.61). Based on the TSI  of  Tanjung Putus Lake was categorized as light eutrophic. Keywords:Tanjung putus lake, water quality, eutrophic
Co-Authors Asmika Harnalin Simarmata Tengku Dahril, Tengku