Changing water temperatures could also make many marine species extinct.

海水升温致大量海洋生物灭绝。

From studies, we know that corals and other marine species contain chemical substances.

从研究中，我们知道珊瑚和其他海洋物种含有化学物质。

The researchers also found marine species, such as horseshoe crabs, corals and algae.

研究人员还发现了海洋物种，如马蹄蟹、珊瑚和藻类。

It also facilitated the migration of numerous marine species, dramatically changing local ecosystems and cuisine.

也促进了众多海洋物种的迁移，极大的改变了当地的生态系统和美食。

It was started by president George W Bush to protect marine species and geological formations.

该保护区在美国前总统乔治·布什任内设立，旨在保护海洋物种和地质结构。

This catastrophic period finished the trilobites off — along with approximately 96% of all marine species.

这段灾难性的时期让三叶虫完全消失，所有海洋物种中有近 96% 也难逃此劫。

But experts estimate it contains between four and 18 percent of the world's known marine species.

但专家估计，它包含了世界上已知海洋物种的4%到18%。

Firstly, we need to set up more reserves in our oceans, places where marine species are protected.

首先，我们要在海洋中设置更多自然保护区，在保护区内海洋生物可以受到保护。

The report says the heat waves have led to deaths of a large number of marine species.

该报告称，热浪已导致大量海洋物种死亡。

In case you don't know what that is, that event wiped out nearly 85% of marine species.

提一下，奥陶纪大灭绝那场灾难抹去了85%的海洋物种。

But just a million years after that, four out of five of the world's marine species were gone.

但就在那之后的一百万年，世界上五分之四的海洋物种已经消失。

But just a million years after that, four out of five of the world’s marine species

五分之四的海洋生物都消失了。

So, according to recent estimates by Unesco oceanographers, how many different marine species have their home in the ocean?

那么，根据联合国教科文组织海洋学家的最近估计，有多少个不同的海洋物种在海洋安家呢？

Yes, you asked how many different marine species live in the ocean and I guessed it was b) 170,000.

是的，你问海洋中生活着多少个不同的海洋物种，我猜是b）17万个。

There are estimated to be around 700,000 marine species, only about 226,000 of which have been identified so far.

海洋物种据估计大约有70万个，迄今为止，只有22。6万个被确认。

" What has been most eye-opening is that the coastal marine species were not only thriving but reproducing, " Haram said.

“最让人大开眼界的是，沿海海洋生物不仅在茁壮成长，而且还在繁殖。”

And this coincided with a mass extinction of many marine species.

而这恰逢许多海洋物种的大规模灭绝。

Another, from 2014, came to similar conclusions for 87 marine species introduced into European waters.

2014 年的另一项研究对引入欧洲水域的 87 种海洋物种得出了类似的结论。

Speaker 2. The Great Barrier Reef in Australia is home to over 7,000 marine species.

演讲者 2. 澳大利亚大堡礁是 7,000 多种海洋物种的家园。

You may dive into the ocean dive and marvel at the different marine species that inhabit its waters!

您可以潜入海洋，惊叹于栖息在其水域的不同海洋物种！