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- Cladosiphon okarnuranus 冈村枝管藻
- Two marine brown algae, Cladosiphon okamuranus Tokida and Stypopodium flabelliforme Weber-van Bosse, are reported from Pratas Island for the first time. 摘要报告采至东沙岛两种海洋性褐藻的两种新纪录：岗村棕叶藻和扇形刚管藻，两者均为东沙岛第一次记录。
- Cladosiphon okamurarazs 冈村枝管藻
- Cladosiphon okamuranus 冈村枝管藻
- the apt range of N resource was from 0.3m mol/L to 0.6 m mol/L, and the middle-high concentration (more than 2m mol/L) of NH4NO3 inhibited the growth of Cladosiphon okamuranus to some degree. 氮源最适范围在0.;3 m mol/L-0
