上图就是旧金山海湾的一个浮游生物网内聚集的单细胞植物硅藻——这种藻类在世界各大海洋都广泛分布。
The single-celled diatoms below—the likes of which are found in oceans worldwide—were collected with a plankton net in San Francisco Bay.
亮蓝色很有可能是颗石藻-浮游生物的一种，外壳是白垩色的，能反光，把海洋弄得绿中泛白。而暗绿色的则可能是硅藻。
The bright blue colors are probably from coccolithophores, a type of phytoplankton that is coated in a chalky shell that reflects light, turning the ocean a milky turquoise.
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