Composition and Abundance of Zooplankton by Daily at the Pier of Man Nai Island, Rayong Province
Abstract
Composition and abundance of zooplankton by daily at the Pier of Man Nai Island, Rayong Province were studied in June, August and October, 2016. Zooplankton samples were collected by vertical towed net with 150 micrometre mesh size. A total of 54 taxa from 15 zooplankton phyla was reported. The highest zooplankton abundance was observed in October with 2,210±1,284 individuals/m3, followed by the observations in June and August with 808±479 and 583±611 individuals/m3, respectively. The most abundance was the phylum Arthropoda (59%), following by the phyla Chordata, Annelida, Chaetognatha, Echinodermata, Mollusca and others with 14%, 8%, 7%, 5%, 4% and 3%, respectively. Copepods, cirripedia nauplius and Sagitta spp. were the dominant groups found in this study. Zooplankton abundance was influenced by light in that higher abundance was found during the periods without a light and low light than during the high light. The results from this study can help to understand the Composition and abundance of zooplankton at the Pier of Man Nai Island which represents the zooplankton community from the beginning of the Southwest Monsoon season until the end of the Southwest Monsoon season. This information will be useful and guidelines for the study of composition and groups of zooplankton in the Pier of Man Nai Island for further use and conservation. Keywords : Zooplankton, Composition, Abundance, Man Nai Island, Rayong ProvinceReferences
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Wongrat, L. (2000). Zooplankton. Bangkok: Kasetsart University. (in Thai)
predators. Journal of Plankton Research, 13(6), 1359-1365.
Buranapratheprat, A., Kan-atireklarp, S., Tong-u-dom, S., Nopjanasupap, C. and Kan-atieklap, S. (2017). Water
Circulation at Man Nai Island, Rayong Province in year 2016. Burapha Science Journal, 22(3), 232-242.
(in Thai)
Chatmongkolkul, M. and Chantangsi, C. (2005). Plankton. Bangkok: Chulalongkorn University. (in Thai)
Cuker, B, E. and Watson, M, A. (2002). Diel vertical migration of zooplankton in contrasting habitats of the
Chesapeake Bay. Estuarine Research Federation, 25(2), 296-307.
Gunbua, V., Chawna, A., and Sinsamutsopon, P. (2014). The study of plankton community structure in
Bangpakong River in 2010. Burapha Science Journal. 19, 87-96. (in Thai)
Department of Marine and Coastal Resources. (2008). Guide of Mun Islands Biological Resources. Bangkok:
Ministry of Natural Resources and Environment. (in Thai)
Euclide, P. T., Hansson, S. and Stockwell, J. D. (2016). Partial diel vertical migration in an omnivorous
macroinvertebrate, Mysis diluviana. Hydrobiologia. 787(1). 387-396.
Jaritkhun, S., Boonphakdee, T., and Phudhom, A. (2016). Economic zooplankton: seasonal variation in the Inner
Gulf of Thailand. Burapha Science Journal. 21, 188-203. (in Thai)
Jitrapat, H., Sojisuporn, P., Pannaruk, P. and Piumsomboon, A. (2018). Diversity and distribution of salps in the
Inner Gulf of Thailand. Proceeding of the 5th National Conference on Biodiversity Management in Thailand. Surat Thani (13-24)
Santhanam, R., and Srinivasan, A. (1994). A Manual of Marine Zooplankton. New Delhi: Oxford & IBH.
Smith, L.D., and John, B.K. (1996). A Guide to Marine Coastal Plankton and Marine Invertebrate Larvae. New
York: Kendell Hunt.
Srinui, K. (2007). Distribution and abundance of zooplankton in estuary along the Eastern Coast of Thailand.
Journal of Scientific Research, 6(1), 221-230. (in Thai)
Teeramaethee, J., Pattarajinda, S. and Boonyanate, P. (2008). Zooplankton of Mun Islands, Rayong Province. In
Proceeding Marine Science Conference 2008. (pp. 24-34). Phuket: Ministry of Natural Resources and Environment. (in Thai)
Todd, C. D. (1996). Coastal Marine Zooplankton: A Practical Manual for Student. Great Britain: Cambridge.
Tongman, M., Praiboon, J., Nedtharnn, U. and Jitchum, P. (2017). Temporal Variation of Microzooplankton in
Bang Pakong Estuary. The 54th Kasetsart University Annual Conference. (695-704).
Wongrat, L. (2000). Zooplankton. Bangkok: Kasetsart University. (in Thai)
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2022-09-01
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