NANJING, June 4 (Xinhua) -- In Yaoguan Township, east China`s Jiangsu Province along the Yangtze River, lichens began to reemerge after being absent for over three decades. `Lichen is a symbiont of fungi and green algae. They are known as `environmental monitors` as they are very sensitive to pollutants such as automobile and industrial exhausts and acid rain,` said Feng Hui, a local official. What happened in Yaoguan, Changzhou City, is a reflection of the progress made by China in recent years in restoring the biodiversity of the Yangtze River, China`s longest. The Yangtze, which stretches over 6,300 km, boasts rich and complex terrains and climate along its basin and has one of the...
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