The Yangtze River in China, which has been in ecological decline for 70 years, is showing signs of recovery thanks to a sweeping fishing ban.
The ban was made more effective by the implementation of “evolutionary game theory”, which included finding alternative employment for fishers.
One veteran biologist said it was the most positive freshwater conservation story he had seen anywhere in the world in 20 years. “It is really fantastic news. It is one of the first times that we can say that government measures have not just worked, but have really improved things,&rdq...





