For one thing, their poop releases essential nutrients like iron and nitrogen into the surface waters, which fertilizes plant plankton, which, in turn, feeds fish and krill.

首先，它们的粪便释放铁和氮等不可缺少的养分至海水表层，为浮游植物提供养分。而这些浮游植物又是鱼和虾的食物。