CD Skripsi
Distribusi Vertikal Nitrat, Fosfat, Dan Kelimpahan Diatom Planktonik Di Perairan Pandan Kabupaten Tapanuli Tengah Provinsi Sumatera Utara
ABSTRACT
This research was conducted in February 2021 in Pandan Waters, Central
Tapanuli Regency, North Sumatra Province. The purpose of this study was to
analyze the concentration of nitrate and phosphate, analyze the composition
distribution and abundance of planktonic diatoms, and analyzed the relationship
between nitrate and phosphate concentrations with abundance of planktonic
diatoms at different depths in Pandan Waters. The method used is the survey
method. The results of the analysis of vertical concentrations of nitrate and
phosphate in Pandan waters tend to increase with increasing depth, while the
results of vertical analysis of planktonic diatom abundance in Pandan waters tend
to decrease with increasing depth. The results of a simple linear regression test
showed that the relationship between nitrate concentration and abundance of
planktonic diatoms at different depths had a strong (negative) relationship, while
the relationship between phosphate concentration and planktonic diatom
abundance at different depths had a very weak (negative) relationship.
Keywords: Vertical distribution, Nitrate, Phosphate, Planktonic diatoms,
Pandan waters.
1) Student at the Faculty of Fisheries and Marine University of Riau.
2) Lecturer at the Faculty of Fisheries and Marine University of Riau
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