Sharks are keystone species in the world's oceans.

“鲨鱼是世界海洋中的关键物种。

Manatees are what's known as a " keystone species."

海牛因其“关键种”身份而著名。

So another term for that is Aspen is a keystone species.

换句话说，山杨是关键物种。

For example, a science reading might explain what a " keystone species" is.

例如，一篇有关科学的文章可能解释关键物种是什么。

What Hawaiian keystone species is currently under threat from a fungal infection?

夏威夷的什么关键物种目前正受到真菌感染的威胁？

Beavers are considered keystone species, which have an outsized effect on their ecosystem.

海狸被认为是关键种，对所处生态系统有重大影响。

It's a true keystone species, involved in everything that's going on here.

它是真正关键的物种，这里发生的一切都与它有关。

The keystone species such as the rhino will be there for my young ones to appreciate as well.

诸如犀牛这类的关键物种会一直保存下来，我们的孩子也能看到它们。

Understanding their role as a keystone species helps us bolster efforts to conserve saguaros and other species like them.

了解它们作为关键物种的作用有助于我们加强保护蜥蜴和其他类似物种的努力。

This makes it a keystone species: a species that plays a disproportionately large role in its ecosystem.

这使它成为一个关键物种：一个在其生态系统中扮演着不成比例的重要角色的物种。

That's what a keystone species does in an ecosystem?

这就是关键物种在生态系统中的作用？

Monitoring keystone species gives researchers information about the entire ecosystem and helps in their conservation efforts.

监测关键物种可以为研究人员提供有关整个生态系统的信息，并有助于他们的保护工作。

As it turns out, this kangaroo rat is a keystone species – an animal with a big effect on

事实证明， 这只袋鼠鼠是一个关键物种——一种对人类有很大影响的动物。

A forthcoming paper by Eyal Frank of the University of Chicago and Anant Sudarshan of the University of Warwick looks at the economic benefits of " keystone species" .

芝加哥大学的埃亚尔·弗兰克和华威大学的阿南特·苏达尚即将发表的一篇论文探讨了“关键物种”的经济效益。

Kris and Doug Tompkins made a fortune in adventure gear and fashion, but now hold the legacy of launching what Chris calls a world first breeding program aimed at reintroducing keystone species back into the region.

克里斯汀和道格拉斯·汤普金斯靠销售探险装备与服装发财致富，但现在他们发起了克里斯汀所说的世界首个繁殖计划，旨在把重要物种重新引入这片地区。