When snorkeling, do not touch the coral or stir up sediment, as these actions can damage the reef's fragile ecosystem.

潜泳的时候，不要碰珊瑚礁或者搅动沉淀物，因为这样做可能会破坏珊瑚脆弱的生态系统。

youdao

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.

其他对于大堡礁及其生态系统的环境压力来自径流的水质问题，伴随着大规模珊瑚白化的气候变化以及棘冠海星的周期性爆发现象。

youdao

Gilly Llewellyn, from the conservation organization WWF, says pollution and oil and gas drilling are among many threats that could damage the Coral Sea's ecosystem.

来自世界自然基金会保护组织的Gilly Llewellyn说到，有很多可能破坏珊瑚海生态系统的原因，污染和石油及天然气钻取也在其中。\ n。

youdao

Soft corals do not form reefs, but may be present in a coral reef ecosystem.

VOA: special.2010.08.10

Sick or dying coral affects the entire ecosystem of this special underwater area.

VOA: special.2009.04.22

Coral reef: complex tropical marine ecosystem dominated by soft and stony (hard) corals, anemones and sea fans.

UNESCO: L O S S A R Y

Like coral reefs, she argues, the earth itself is a delicate island ecosystem in peril.

ECONOMIST: Island life