We learn of complex water habitats and a fragile ecosystem of flora and fauna.

导游向我们介绍，这片水域生境的植物和动物生态系统复杂而脆弱。

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At that time, tectonic activity where Indian and Pacific Oceans meet created many shallow-water habitats.

在那个时候，印度洋和太平洋相交区域的地壳构造活动创造了许多浅水栖息地。

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Tilapia (Oreochromis niloticus) is the dominant species in freshwaters of South China, and its food includes phytoplankton in open water habitats and periphyton in substrate-surface habitats.

罗非鱼是我国南方许多淡水湖泊中的优势种，食物包括浮游植物、附着藻类及沉水植物等。

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Despite their importance to our nation as a source for economic and natural resources, we know very little about deep-water habitats in the Gulf of Mexico.

WHITEHOUSE: Watch Live: Be a Virtual Ocean Explorer

Marine biologists at Edinburgh's Heriot-Watt University report the cable could cross deep water mud habitats.

BBC: Western Isles sub-sea cable 'could affect' mud life

However, they said it was possible deep water mud habitats could be affected.

BBC: Western Isles sub-sea cable 'could affect' mud life