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Effects of deep seawater on the growth of several species of marine micro-algae
Authors:Tsuneo Matsubayashi  Isao Maruyama  Sumiko Kido  Yotaro Ando  Toshimitsu Nakashima  Takayoshi Toyota
Institution:(1) Chlorella Industry Co. Ltd, 1343, Hisatomi, Chikugo, Fukuoka 833, Japan;(2) Japan Marine Science and Technology Center, 2-15, Natsushima-cho, Yokosuka, Kanagawa 237, Japan
Abstract:Deep seawater (DSW; seawater under the euphotic layer), obtained from Deep Seawater Laboratory in Muroto, Japan, was applied to the culture ofDunaliella tertiolecta, D. salina, Nannochloropsis oculata, N. salina, Porphyridium cruentum, Tetraselmis tetrahele, andChaetoceros ceratosporum. DSW supported the exponential growth of every species. The growth yields were at 14.7 (±2.3 SD) mg dry weight per liter, and could be heightened by the addition of nitrate to DSW.Author for correspondence
Keywords:deep seawater  micro-algae  growth  yield
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