Xiamen has many wonders of blue tears. What is the cause of blue tears?

Xiamen has a rare spectacle of blue tears. In fact, this so-called blue tear scene is a luminous algae. According to experts, blue tears and fine smoke reflect blue light, and a large number of algae erupt, which is related to rich seawater, eutrophication and warming weather. Whenever an epidemic occurs, the coastline is like a blue flame lit, like a dream. The luminous mechanism of noctiluca scintillans is that whenever a cell is stimulated, it will emit light. At night, the boat crossed the water, the oars sparkled and the stern dragged a long light belt. When the waves hit the coast, they will also produce sparkling waves. At this time, people admire the mysterious luminous function of the night light.

In fact, this noctiluca is a kind of marine dinoflagellate, which is widely distributed in all sea areas of the world. Nocturnal algae is a marine red tide, and the main algae is also one of the causes of red tide in the East China Sea. Noctiluca scintillans, as an anti-pollution organism in the marine environment, is well distributed in the eutrophic sea area, and it is stimulated to cause blue light, excessive reproduction and dense together. Although it looks good, it is harmful to fisheries. First, it can form a red tide.

In fact, as early as 2003 to 20 17, this luminous plankton had erupted in Xiamen for many times, and the number of times generally increased. I didn't expect it to appear on a large scale this year. They can survive in the water temperature of 28 degrees Celsius. Previous studies have shown that the living conditions of noctiluca scintillans are 20 to 25 degrees Celsius. The researchers speculate that eutrophication caused by the increase of chemical fertilizer use may be one of the reasons for the expansion of Nocturnal algae. At that time, it was predicted that this trend might continue in the next few years, and now it seems that this statement has indeed been verified.

In fact, the wonders of blue tears and fluorescent sea are rare in Xiamen. On the east coast of Pingtan, Fujian, it is a place where blue tears often appear, and it is also the best place to watch this spectacle. Therefore, on the east coast of Pingtan, Fujian Province, there is often a beautiful scene of the blue galaxy falling here. The faint blue light in the night is intoxicating, attracting tourists into the sea to feel, just like stepping on the stars. In Pingtan, Fujian, the best docks to watch blue tears are Liu Shui Wharf, Beigang Village, Yuhai Square, Tannan Bay, Dongjia Island and Tangyu Island. But I still have to say that blue tears can't be seen at any time. Generally, they are more likely to appear in sunny nights, and the high tide at night is the best time to watch blue tears. In addition, it is said that the spectacle of blue tears in Xiamen will last for a long time. The first peak is in early April, and friends who want to go out for a spring outing can also take a walk in Xiamen.