本周的一份报告显示，澳大利亚海岸大堡礁上珊瑚的生长速度自1990年以来已经下降了13%。
A report this week suggests that the growth of coral on the Great Barrier Reef, off Australia, has slowed by 13% since 1990.
这种做法在不少热带海域卓有成效，特别是澳大利亚的大堡礁，保护区内鱼类数目在五年的时间里便增长了一倍。
This has worked in several places in the tropics, notably the Great Barrier Reef in Australia, where fish populations in protected zones have doubled in five years.
通过海上偶然遭遇，在澳大利亚遥远北方的大堡礁协助一组从事研究虎鲨工作的科学家。
Assist a team of scientists in their work with tiger sharks in the far north of Australia's Great Barrier Reef through Marine Encounters.
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