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最近有媒体报道 :我国某海域出现赤潮 ,还有人吃了这些海域的贝类后发生中毒。这是怎么回事呢 ?赤潮主要是由于海域受有机物严重污染 ,致使硅藻、隐藻、裸甲藻、兰藻等浮游生物和某些细菌、原生动物大量繁殖 ,致使海水颜色变深。由于赤潮期间的海域 ,生态环境遭到破坏 ,某些生
Recently, some media reports said that red tide occurred in some sea areas in our country and that people were poisoned after eating shellfish in these seas. The red tide is mainly due to the serious organic pollution in the sea area, resulting in diatoms, cryptococcosis, Gymnodinium, Blue Algae and other plankton and some bacteria, protozoa multiply, resulting in seawater color darker. Due to the red tide during the sea, the ecological environment has been destroyed, some students