Warmer sea temperatures caused by climate change and periodic El Nio events have caused large areas of coral to be wiped out in so-called "bleaching" events.
气候变化及周期性的厄尔尼诺现象引起的海水变暖，已经造成了大面积的珊瑚礁在所谓的“漂白”事件中消失殆尽。
One of the worst mass bleaching events in history occurred in 1998 — which was also one of the hottest years on record, and like 2010, an El Nio year.
史上最严重的大规模珊瑚白化事件之一发生于1998年——该年也是有史以来最热的一年，与2010年一样，也是厄尔尼诺现象的一年。
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