Soft corals do not form reefs, but may be present in a coralreefecosystem.
软的珊瑚不能形成礁。但是在珊瑚生态系统也是有可能存在的。
2
And it's the world's largest coralreefecosystem. There are loads of beautiful islands scattered around and idyllic coral cays.
它也是世界上最大的珊瑚礁生态系统。那里四周都是漂亮的岛屿和田园般的珊瑚礁沙洲。
3
Other environmental pressures to the reef and its ecosystem include water quality from runoff, climate change accompanied by mass coral bleaching, and cyclic outbreaks of the crown-of-thorns starfish.