Before reading the article, warm tips: happy fishing, safety first; civilized fishing, cherish the environment; fishing for entertainment, juvenile fishing!
The Yangtze River, with a total length of 6211 kilometers, is the largest river in China, the third longest river in the world, one of the seven major rivers of biodiversity in the world, and a total of 424 species of fish are bred in the Yangtze River Basin, of which 183 species of fish endemic to the Yangtze River.
However, the Yangtze River, which is so rich in fishing resources, released the "Ten-Year Fishing Ban Plan for the Yangtze River" on January 1, 2020!
Since the release of the "Ten-Year Fishing Ban Plan for the Yangtze River", netizens have had a fierce discussion on this.
Some netizens said: It is urgent to protect the fishing resources of the Yangtze River, and the fishing ban plan must be implemented.
Some netizens said: After the ban on fishing, what should fishermen along the Yangtze River do?
However, at the same time as the netizens are fiercely discussing, the fishing ban plan is also being implemented in an orderly manner.
Why did the Yangtze River, which is so rich in fishing resources, implement the "Ten-Year Fishing Ban Plan", and why was the fishing ban time set at ten years? This must start from the state of fishing resources in the Yangtze River before the ban on fishing.
<h1 class = "pgc-h-center-line" > ten-year fishing ban is imperative</h1>
In the decades before the ban on fishing, the Yangtze River Basin paid a heavy price in the ecological environment and fishing resources due to its "extensive and rapid" economic development mode.
In addition to the pollution of the river by industry, the ecological and environmental costs caused by the industry, the man-made illegal fishing methods such as "electricity, medicine, explosion" and "absolute net, ecstasy array", also make the fishing resources of the Yangtze River to the level of "no fish" to catch!
The number of economic fish in the Yangtze River Basin fell from a peak of 120 billion in the 1950s to less than 1 billion, an overall decline of more than 90%. The Yangtze River anchovy, which is the "three freshest of the Yangtze River", has become extinct, and the average annual production of Yangtze River knifefish is less than 100 tons.
In addition to the sharp decline in the production of major economic fish, many rare species in the Yangtze River are also endangered!
The white-tipped dolphin, known as the "giant panda in the water," declared functional extinction in 2007.
The Yangtze River finless porpoise, known as the "living fossil" of the Yangtze River ecology, only 1,012 remained in 2017.
The Yangtze River sturgeon has been alive for 150 million years, but the wild population of the Yangtze River sturgeon was largely extinct in the early 2000s.
Seeing the above set of data, do you now think that the ten-year ban on fishing in the Yangtze River is imperative?
As for why the fishing ban period is ten years, this is because in the Yangtze River, the main economic fish based on the "four major fishes" have a single generation breeding time of 3 to 4 years, and ten years can give them 2 to 3 generations of breeding opportunities and can better expand the population.
It has been almost two years since the release of the "Ten-Year Fishing Ban Plan for the Yangtze River" on January 1, 2020. How effective has the fishing ban been in the past two years, and has the ecosystem in the Yangtze River improved?
The answer is: the ecosystem has improved significantly!
After the implementation of the fishing ban plan, in addition to the increase in the number of common fish in the Yangtze River, the original rare and rare species have also been found again in the Yangtze River, and good news has been transmitted.
< h1 class = "pgc-h-center-line" > four rare creatures reproduce the good news of the Yangtze River</h1>
First, the "freshwater fish king" Dashi loach reappears in the Yangtze River
Dashi is the largest freshwater fish in China, with a body length of up to 5 meters and a weight of about 1000 kilograms, known as the "fish king in the water", mainly distributed in the Heilongjiang River Basin, and there are also a small number of them in the Yangtze River Basin.
After the implementation of the fishing ban in 2020, the Nanjing section of the Yangtze River detected the presence of Dashi at 2 points.
Second, the "living fossil" porpoise appeared on the surface of the river in many places
In addition to detecting the existence of Dashi's fish, the "living fossil" finless porpoise also appeared on the surface of many parts of the Yangtze River Basin after the fishing ban!
From July 20 to 21, in the Yangzizhou section of Nanchang, the seventh tributary of the Yangtze River, the Ganjiang River, 30 finless porpoises were found feeding and playing on the surface of the water.
In the first half of this year, Nanjing's original more than 50 porpoises raised at least 4 small porpoises.
In addition, at the confluence of Poyang Lake and the Yangtze River, there are records of a large number of porpoises surfacing.
Third, the "mysterious" helio fish have been found many times
When it comes to heels, many people may not know it, or even have never heard of it, but it is a real existence in the Yangtze River.
Helio fish, also known as diaozi fish, was widely distributed in the Yangtze River and the waters south of the Yangtze River, with a slender body, a sharp head and tail, and a maximum length of more than 10 kilograms, which was once one of the economic fish in the Yangtze River and was listed in the "Red List of Vertebrates in China" in 2016.
Due to the scarcity of hemorrings, its existence has not been found in the Yangtze River Basin for a long time, which also covers it with a "mysterious" veil.
In 2017, after the discovery of the helios in the Honghu section of the Yangtze River, it has not appeared again. After 3 years, until November 2020, after the fishing ban period, another helicase was found in the Yichang section of the Yangtze River, but in October this year, the Helio fish were found again in the Yangtze River estuary section, which shows that its number is increasing.
Fourth, the Chinese sturgeon may naturally spawn
In addition to the above three species that we are not common, the Chinese sturgeon that everyone in the Yangtze River Basin is most concerned about, right?
After the fishing ban began, when other rare species frequently sent good news, the Chinese sturgeon in the Yangtze River also sent good news.
After the artificial release of more than 7 million Chinese sturgeon, which was once endangered for various reasons, has completed ecological restoration in the main spawning areas in Hubei. Although no natural spawning of Chinese sturgeon has been detected in the last 4 years, it is very likely that it will be detected during the new spawning period this year!
After the implementation of the "Ten-Year Fishing Ban Plan on the Yangtze River", not only the population of common species is increasing, but some rare species have also frequently received new discoveries and new good news, which shows that the protection effect of fishing ban on Yangtze River species is obvious!
Regarding the frequent good news of rare species in the Yangtze River, what are your views, welcome to leave a message to communicate.
Finally, I would like to appeal to my fishing friends: small fish, female fish, and roe fish please release! If you need to take it, just one meal is enough! For the future there are fish to catch, do not be greedy!
I am the king's fishing diary, original handwriting is not easy! If you feel a little interesting after reading it, please add a note. More and better fishing problems and videos, look forward to sharing with you!