CD Skripsi
Keanekaragaman Dan Kelimpahan Diatom Planktonik Secara Vertikal Pada Perairan Pantai Nareh Desa Manggung Kecamatan Pariaman Utara Kota Pariaman Provinsi Sumatera Barat
This research was conducted in March 2020 to find out the difference in
planktonic diatoms abundance vertically at each station in the waters of Nareh
Beach, Manggung Village, North Pariaman Sub-District, Pariaman City, West
Sumatra Province. The method used is a survey method that consists of three
depths at three observation stations. The water quality measured in this study were
temperature, brightness, pH, salinity, current velocity, and depth. Based on the
research results, there are 11 types of planktonic diatoms found in the waters of
Nareh Beach, namely Gyrosigma sp., Chaetoceros sp., Odontella sp.,
Rhizosolenia sp., Pleurosigma sp., Thalassionema sp., Leptocylindrica sp.,
Coscinodiscus sp., Nitzschia sp., Guinardia sp, and Skeletonema sp. the most
dominant one. The highest total value of planktonic diatom abundance ranges
(9779.65-12867.96 ind/L) is found in the surface layer and the lowest ranges
(2573.59-10294.37 ind/L) is at 5 m depth. There is no difference in the total value
of planktonic diatom abundance between depths.
Keywords: Nareh Beach, Water quality, Abundance of planktonic diatoms
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