CD Skripsi
Kelimpahan Dinoflagellata Bentik Beracun Pada Rumput Laut (Sargassum Sp.) Di Perairan Pantai Nirwana Provinsi Sumatera Barat
ABSTRACT
The study was held in January to February 2019. The purpose of this study was to
determine the abundance of toxic benthic dinoflagellates on seaweed Sargassum sp. each
station and to see the relationship of abundance of toxic benthic dinoflagellates with the
quality of the waters in the seaweed ecosystem of Sargassum sp. in the waters of Nirwana
Beach, West Sumatra Province. The method used in this study is a survey method. The
results showed the highest genus abundance at the three research stations was the genus
Prorocentrum with an average abundance value of 216.05 cells / g and the lowest genus
abundance at the three research stations was the Gambierdiscus genus with an average
abundance of 78.80 cells / g. Obtained simple linear regression test results show the
concentration of nitrate and phosphate concentration is directly proportional to the
abundance of dinoflagellates. The relationship between abundance of benthic
dinoflagellate abundance with moderate relationship nitrate concentration and the
relationship between abundance of benthic dinoflagellate abundance with strong
relationship phosphate concentration.
Keywords: Dinoflagellata, Benthic, Poisonous, Sargassum sp.
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