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As Mangrove Forests Expand in China, Bird Species Multiply
China’s mangrove restoration has coincided with a sharp rise in the number of bird species recorded in its mangrove forests, suggesting the recovering habitats are benefiting wildlife. The change matters because mangroves also help protect coastlines and support marine life.
China’s mangroves covered about 26,000 acres in 1998 and roughly 70,000 acres by 2020; over the same period, recorded bird species increased from 148 to 397. Planting, stronger legal protection and warmer conditions that allow mangroves to spread north have contributed to the expansion. The study did not separate planted forests from natural stands, which other research suggests support greater wildlife diversity.
In short
- China’s mangrove area grew to about 70,000 acres by 2020.
- Recorded bird species rose from 148 to 397.
- Restoration, protection and warming helped mangroves expand.
Explained simply
Mangroves are trees and shrubs that grow in salty coastal waters, where their tangled roots provide shelter and feeding grounds for fish and birds. They can also reduce damage from waves and storms, and help sustain nearby fisheries.
In China, mangroves have been restored through planting and stronger legal protection, while warmer conditions have allowed them to spread further north. The forests are found along the southern coast, where they form part of a wider network of wetlands used by resident and migratory birds.
Researchers compare changes in mangrove area with the number of bird species recorded there. The forests’ condition matters as well as their size: planted stands and naturally established mangroves may support different levels of wildlife diversity.
Asia Environment Science World