3 sentences

1. 这片海域的生物多样性非常丰富。

   zhè piàn hǎi​yù de shēng​wù duō​yàng​xìng fēi​cháng fēng​fù.

   The biodiversity in this sea area is very rich.

   Source: Dong Chinese Dictionary

2. 生物多样性对生态系统至关重要。

   shēng​wù duō​yàng​xìng duì shēng​tài xì​tǒng zhì​guān​zhòng​yào.

   Biodiversity is vital to the ecosystem.

   Source: Dong Chinese Dictionary

3. 这片水域的生物多样性非常丰富。

   zhè piàn shuǐ​yù de shēng​wù duō​yàng​xìng fēi​cháng fēng​fù.

   The biodiversity in these waters is very rich.

   Source: Dong Chinese Dictionary