Seasonal variations in the abundance of phytoplankton in the shallow waters of Cua Be river estuary, Nha Trang bay, Central Viet Nam
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Date
2002
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Show full item recordAlternative Title
Biến đổi theo mùa của thực vật phù du trong thủy vực nước nông vùng cửa sông Cửa Bé, vịnh Nha Trang,miền trung Việt NamAbstract
Thirty-seven species of dinoflagellates and 60 species of diatoms were the main components of the phytoplankton community in the shallow waters of Cua Be river estuary. The key species in the study area in terms of both biomass and frequency of occurrence were Gonyaulax spp., Protoperidinium spp., and Peridinium quinquecorne (dinoflagellates), and centric diatom Coscinodiscus spp., Skeletonema costatum and Rhizosolenia spp. The species composition changed markedly between the dry and rainy seasons. Temperature and salinity were the two main factors affecting the seasonal shifts of species. Peaks of diatoms and dinoflagellates occurred together. Dinoflagellates were abundant throughout the year with highest concentrations in the middle of the dry season and at the beginning of the rainy season. Concentrations of nutrients such as nitrate-nitrogens and ortho-phosphate-phosphorus were strongly related with salinity, but the relations between dinoflagellates and diatoms and nutrients were not clear.Journal
Collection of Marine Research WorksVolume
XIIPage Range
pp.129-148Resource/Dataset Location
http://113.160.249.209:8080/xmlui/handle/123456789/18977