Structure And Community Of Dinoflagellata In The Bungus Bay Kabung Waters Area

Riska Syafrinawati, Nofrita Nofrita, Jabang Nurdin

Abstract


Dinoflagellates have both beneficial and detrimental roles in the ecosystem. Marine dinoflagellates play an important role in aquatic ecosystems as primary producers and grazing is experienced by some dinoflagellates. One of the detrimental roles of dinoflagellates is the occurrence of algal blooms that cause changes in the color of seawater. This research was carried out from December 2020 to July 2021 in the Bungus Bay Kabung area, Padang City. This study aimed to analyze the composition and structure of the Dinoflagellate community in the Bungus waters area of Kabung Bay, Mota Padang. This study used a survey method and the sampling was determined by purposive random sampling. Based on this research, 17 species of Dinoflagellates were found with 2 classes, namely Dinophyceae and Noctilucophyceae. The Dinoflagellate diversity index in the Bungus Bay Kabung waters area is included in the medium category with an uneven distribution. 8 species of Dinoflagellates could potentially cause algal blooms, namely Blixaea quinquecornis, Prorocentrum gracile, Prorocentrum micans, Protoperidinium brevipes, Protoperidinium pellucidum, Protoperidinium subpyriforme, Scrippsiella acuminate, and Noctilans scintilans.

Keywords


Blooming Algae, Diversity, Density

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DOI: http://dx.doi.org/10.52155/ijpsat.v35.1.4714

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