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Status Kesuburan Danau Perupuk Di Desa Kampung Pinang 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, Myxophyceae, Centric diatom, Euglenophyceae, and Desmidiaceae. To understand the trophic state of the Perupuk Lake, a research has been conducted in June-July 2019. There were three sampling stations, namely station 1 (in the inlet from the Kampar River), station 2 (in the middle of the lake) and station 3 (in the end of the lake). In each station there were two sampling points, in the surface and in the middle of water column. Sampling were conducted 3 times, once/week. Water quality parameters measured were phytoplankton type, transparency, temperature, pH, nitrate, phosphate, dissolved oxygen and free carbon dioxide. Results shown there were 18 species of phytoplankton present, namely Chlorococcales order (5 species), Myxophyceae (4 species), Centric diatom order (3 species), Euglenophyta Division (1 species) and Desmidiaceae (5 species). Water quality parameters were as follows: transparency 44.3-49.3 cm, temperature 28.3-300 C, pH 5, nitrate 0.11-0.17 mg/L, phosphate 0.02-0.04 mg/L, dissolve oxygen 5.07-6.40 mg/L, and free carbon dioxide 7.3-14.6 mg/L. Nygaard Index value of the Perupuk Lake range 1.75-2.5 and it can be categorized as mesotrophic.
Keywords: Trophic State of lake, phytoplankton, mesotrophic, water quality.

Ketersediaan
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Perpustakaan Universitas Riau 04 01. 119 (0143)
04 01. 119 (0143)
Tersedia
Informasi Detail
Judul Seri
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No. Panggil
04 01. 119 (0143)
Penerbit
Pekanbaru : Universitas Riau – Fakultas Perikanan Dan Ilmu Kelautan – Manajemen Sumber Daya Perairan.,
Deskripsi Fisik
xi, 71 hlm.; ill.; 29 cm
Bahasa
Indonesia
ISBN/ISSN
-
Klasifikasi
04 01. 119 (0143)
Tipe Isi
-
Tipe Media
-
Tipe Pembawa
-
Edisi
-
Subjek
MANAJEMEN SUMBER DAYA PERAIRAN
Info Detail Spesifik
-
Pernyataan Tanggungjawab
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