"... the unpublished survey shows that those resources are in dire straits, according to Xinhua, China's state news agency. Roughly 90% of coastal cities suffer from intermittent water shortages. China’s mangrove swamps have decreased in area by 73% and coral reefs by 80% since the 1950s, and coastal wetlands have shrunk by 57%. Nearly one-third of the loss in coastal wetland was due to land reclamation. “Future land-reclamation projects need to assessed more carefully,” says the report." (Quoted from article)