Roman's research has shown that whale poop increases ocean productivity because whale poop is packed with nitrogen.

罗曼的研究表明，鲸鱼粪便可以提高海洋生产力，因为鲸鱼粪便富含氮。

Losing whales could be devastating for ocean ecosystems. MATTHEW: We've seen declining ocean productivity in areas specifically where we remove the most whales.

失去鲸鱼对海洋生态系统来说可能是毁灭性的。马修：我们已经看到，在我们捕杀鲸鱼最多的地区，海洋生产力正在下降。