Seasonal Variation in Phytoplankton Community Structure at Sichang Island and Chonburi Coastal Area
Abstract
The community structure and seasonal variation of phytoplankton at Sichang island and Chonburi coastal area were studied. The water samples were collected in March 2020 (Summer season) and August 2020 (Rainy season) from 16 stations. The results found the phytoplankton in 50 genus, 4 classes and 2 divisions (Cyanophyta and Chromophyta). The Cyanophyta (Cyanobacteria) class Cyanophyceae found 2 genus and the dominant specie was Oscillatoria. The Chromophyta class Bacillariophyceae (diatom) found 35 genus and the dominant species were Thalassiosira, Thalassionema and Chaetoceros and class Dinophyceae (dinoflagellate) found 12 genus and the dominant species were Ceratium and Dinophysis and class Dictyochophyceae (silicoflagellate) found 1 genus. The results showed the abundance of phytoplankton in August was equal to 86,321 cells per liter while in March as 5,599 cells per liter. The analysis result of the similarity index was divided to 2 groups (August and March). The cause of difference may be from the salinity factor which leaded to the phytoplankton community structure changes.References
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Deesuk, A., Punnarak, P., & Piumsomboon, A. (2017). Seasonal Variation of Phytoplankton Communities at Sichang Island, Chonburi Province. The National and International Graduate Research Conference 2017, Khon Kaen University. (in Thai)
Jadphanin, W., Buranapratheprat, A., & Gunbua, V. (2017). Plankton Community Structure in the Bangpakong River in 2016 [Special issue]. Burapha Science Journal, 22, 203-215. (in Thai)
Krebs, C.J. (1989). Ecological methodology. Harper Collins Publishers. New York.
Meksumpun, S. (2002). Physiology and ecology of marine phytoplankton. Kasetsart University, Bangkok. Faculty of Fisheries. (in Thai)
Meksumpun, S., Thawonsode, N., Thongdonphum, B., & Veschasit, O. (2013). Study on Distribution of Phytoplankton in the Central Gulf of Thailand. In Proceedings of Marine Fishery Resources and Environmental Survey in the Gulf of Thailand Conducted Using the M.V. SEAFDEC 2. (pp. 84-99). Training Department: South East Asian Fisheries Development Centre. (in Thai)
Pollution Control Department. (2014). Environmental Impact and Pollution Study Project: In the case of Products Transportation in the Koh Sichang area to assess the potential and environmental impact of being a regional cargo zone to support the expansion of the ASEAN Economic Community. Pollution Control Department: Ministry of Natural Resources and Environment. (in Thai)
Rattanavijit, U., Tarnchalanukit, W., Chunkao, K., & Phewnil, O. (2019). Species Diversity of Phytoplankton and Correlation Between with Phytoplankton in Green Mussels farm area at Bang Ta boon Bay, Phetchaburi Province, Thailand. Science and Technology RMUTT Journal, 9(1), 128-139. (in Thai)
Wongrat, L. (1999). Phytoplankton. Bangkok: Kasetsart University, Bangkok. Faculty of Fisheries. (in Thai)
Wongrat, L. & Boonyapiwat, S. (2003). Manual of Sampling and Analytical Methods of Plankton. Kasetsart University. (in Thai)
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2023-05-11
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