Sustainable Marine Structures

Spatio-temporal Variability of Dinoflagellates in Different Salinity Regimes in the Coast of Rakhine

Khin Khin Gyi

Department of Marine Science, Mawlamyine University, Mon State, Mawlamyine, 12012, Myanmar

Wint Thuzar Nwe

Department of Marine Science, Mawlamyine University, Mon State, Mawlamyine, 12012, Myanmar

Zin Zin Zaw

Department of Marine Science, Pathein University, Ayeyarwady Division, Pathein, 10014, Myanmar

Khin Khin San

Department of Marine Science, Sittway University, Rakhine State, Sittway 07011, Myanmar

DOI: https://doi.org/10.36956/sms.v2i2.308

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Abstract

Regarding the spatial and seasonal variations of dinoflagellates in different salinities regimes, Prorocentrum rostratum showed a strong correlation with high salinity (≥ 29 ppt.). However, P. micans had a negative correlation with salinity. In Dinophysoids, Dinophysis caudata showed a wide salinity tolerance than other species in the group. D. miles, Ornithocercus magnificus, O. steinii, and O. thumii showed a strong correlation with salinity. In Gonyaulacoids, Ceratium furca, C. fusus, C. horridum, C. trichoceros, C. tripos, Gonyaulax polygramma, G. spinifera, and Pyrophacus magnificus showed a strong correlation with salinity. In Peridinoids, Protoperidinium depressum, P. oblongum, P. oceanicum, P. pyreforme, and Podolampus palmipes showed a strong correlation with salinity. In Gymnodinoid and Noctilucoid, Gyrodinium estuariale and N. scintillans showed a strong correlation with salinity.

Keywords: Dinoflagellates; Salinity; Seasonal; Spatial

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