Dolphins are dolphins. Body length 1.2 ~ 1.7 meters, body surface gray-black, short snout, slightly convex forehead, flat tail and no dorsal fin. Like other cetaceans, they have small eyes and poor eyesight and rely on echolocation to identify objects. The finless porpoise is a national second-class protected aquatic animal. I like to live in the shallow coastal waters and the waters where salt and fresh water meet, and the north is mainly distributed in Bohai Sea and Yellow Sea. ?

What is the number of Yangtze finless porpoises?

Nowadays, the number of Yangtze finless porpoises has been greatly reduced, and the protection work is facing increasing challenges. Especially in recent years, with the acceleration of industrialization and urbanization and the dredging of navigation channels, the Yangtze finless porpoise, a rare aquatic organism, has been increasingly affected by habitat conditions and genetic diversity and entered an endangered state. The second is the impact on economic and social development. With the development of economy and society and the acceleration of urbanization, a large number of pollutants are artificially discharged into the Yangtze River in some places for economic development. Therefore, the number of finless porpoises has been decreasing.

Why should we protect the finless porpoise?

Dolphins are an important part of the Yangtze River ecosystem and the most distinctive creatures. More human? Friends? . Therefore, comprehensive protection of finless porpoises is fundamental to ensure the health and stability of the Yangtze River ecosystem. The finless porpoise has high requirements on water quality, and its current living conditions are not optimistic. Therefore, researchers need to strengthen the study of dolphins, so that researchers can better understand the dynamic changes of dolphin population, thus improving the public's awareness and ability to protect dolphins.

How to protect finless porpoises?

First, we need the help of volunteers. Volunteers should actively participate in protecting the ecology of the Yangtze River, carry out environmental monitoring and protect the finless porpoise. Followed by private environmental protection organizations and private volunteers. Non-governmental environmental protection organizations initiated by the government and participated by non-governmental volunteers are committed to promoting the development of environmental protection; They are open to the public and accept public supervision. At the same time, strengthen environmental protection publicity and education, and raise public awareness of participating in ecological protection of the Yangtze River; Implement scientific and technological projects to provide technical support for the ecological protection of the Yangtze River.