大堡礁 大堡礁 今天是有史以來的第二個(gè)世界珊瑚礁日，旨在幫助全球關(guān)注地球上重要的珊瑚礁系統(tǒng)日益惡化的健康狀況，并幫助調(diào)動(dòng)努力以幫助他們恢復(fù)。 這張照片為什么您要關(guān)心大堡礁等生態(tài)系統(tǒng)的健康？ 因?yàn)樯汉鹘甘俏覀兒Ｑ蠼】禒顩r的簡(jiǎn)單指標(biāo)。 而現(xiàn)在，珊瑚礁的狀況還不太好。 你能做什么？ 了解礁石-不僅使健康的礁石處于危險(xiǎn)之中，還了解為什么礁石是地球更大生態(tài)系統(tǒng)中如此重要的部分。

原文:

Today marks the second ever World Reef Day, an observance created to help focus global attention on the deteriorating health of on our planet's vital reef systems, and also to help marshal efforts to help them recover. Why should you care about the health of ecosystems such as the Great Barrier Reef, seen in this photo? Because reefs are an easy indicator of how healthy our oceans are. And right now, reefs aren’t doing too well. What can you do? Learn about reefs—not just the dangers that put healthy reefs at risk, but why reefs are such a critical part of Earth's greater ecosystems.

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