Image of Status Trofik Danau Sepinang Desa Pangkalan Serik Kabupaten Kampar Provinsi Riau Berdasarkan Indeks Nygaard
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Status Trofik Danau Sepinang Desa Pangkalan Serik Kabupaten Kampar Provinsi Riau Berdasarkan Indeks Nygaard

Nygard Index can be used to determine the trophic state of waters. Calculation of this index is based on the number of phytoplankton species that are belonged to these following groups, namely Chlorococcales, Euglenophyceae, Centric diatom, Myxophyceae and Desmidiaceae. To understand the trophic state of the Sepinang Lake, a research has been conducted on March – April 2018. There were 3 sampling points, namely inthe inlet, in themiddle of the lake and in the end of the lake. In each sampling point, water samplet from the surface and 2 secchi depth. Sampling was done three times, once/week. Water quality parameters measured were phytoplankton, transparency, temperature, pH, nitrate, phosphate, Disolved oxygen and free carbondioxide. Results shown that there were 48 species of phytoplankton present, namely Desmidiaceae (10 species), Euglenophyceae (10 species), Chlorococcales order (14species), Centric Diatom (5species), and Class Mixophyceae (1species). The water quality parameters were as follows: transparency49,3-63 cm, temperature 30,6–32,00;, pH 5.33-5.53, nitrate 0,08-0,17 mg/L, phosphate 0,10-0,18 mg/L, dissolved oxygen 4,63-5,04 mg/L, free carbon dioxide 11.32-13.32 mg/L. Nygaard Index value of the Sepinang Lake was 1.8-2.5, indicates that the Sepinang Lakeis mesotrophic to eutrophic.
Keywords : Oxbow Lake, Phytoplankton, Mesotrophic, Eutrophic

Ketersediaan
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Perpustakaan Universitas Riau 04 01. 119 (0016)
04 01. 119 (0016)
Tersedia
Informasi Detail
Judul Seri
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No. Panggil
04 01. 119 (0016)
Penerbit
Pekanbaru : Universitas Riau – Fakultas Perikanan Dan Ilmu Kelautan – Manajemen Sumber Daya Perairan.,
Deskripsi Fisik
vi, 71 hlm.; ill.; 29 cm
Bahasa
Indonesia
ISBN/ISSN
-
Klasifikasi
04 01. 119 (0016)
Tipe Isi
-
Tipe Media
-
Tipe Pembawa
-
Edisi
-
Subjek
MANAJEMEN SUMBER DAYA PERAIRAN
Info Detail Spesifik
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Pernyataan Tanggungjawab
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