每当提起海洋,我们首先想到的是一片蔚蓝。然而,一旦发生赤潮,蓝色的海洋就会被涂染得面目全非。究竟什么是赤潮呢?这曾被视为不解之谜。在古埃及,人们曾发现红海海水在一夜之间变成了红色,大家惊恐万分,以为是神在发怒。1831年～1836年间,达尔文在随“贝尔格”号航行的途中,仔细观察了发生在巴西和智利近海海面的赤潮。通过显微镜观察,他惊异地发现．海水样品中密密麻麻地分布着体长只有十几微米的 When we talk about the ocean, we first think of a piece of blue. However, once the red tide has occurred, the blue ocean will be painted differently. What is the red tide? This was once considered a mystery. In ancient Egypt, people once discovered that the waters of the Red Sea turned red overnight and everyone was horrified that God was angry. Between 1831 and 1836, Darwin carefully observed the red tides that occurred on the sea surface of Brazil and Chile on the way to the “Berg”. Observed by microscope, he was surprised to find. Seawater samples are densely packed with only a dozen microns in length