一片区域的珊瑚死去后，那里通常很快就会被海藻占领，之后又会被海绵和软珊瑚占领。
Areas of dead coral are usually colonized rapidly by algae and often are later colonized by sponges and soft corals.
我们正目睹像海藻丛林，海洋生物群落，珊瑚礁等主要生态系统的衰落。
We are seeing a decline in major ecosystems like kelp forests, sea life communities, coral reefs and so on.
大部分科学家认为过度捕捞、污染、海洋变暖是最大的杀手，但是珊瑚可以从海藻的其他致命手段中生存下来。
Most scientists rank overfishing, pollution, and warming oceans among the biggest overall contributors. But corals may suffer from other nasty tricks played by seaweed.
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