The shallow temperate seas support the greatest concentrations of fish on our planet.

这片温和浅是地球上鱼类最密集地区。

There's only bare sand and the warm shallow sea beyond.

这个荒凉沙漠远离温暖浅。

It's also one of the most popular spots for experienced scuba divers.

它也是浅潜水最受欢迎地点之一。

At that time, most creatures swam or crawled in shallow seas.

那时，大多数生物在浅中游泳或爬行。

Coral reefs are only found in shallow, tropical seas.

珊瑚礁只存在于热带地区浅中。

A shallow sea had begun to split the continent that would become the Americas.

如今大陆在当时被一片浅一分为二。

Specifically it was a shallow ocean basin at the bottom of a steep cliff.

具。它是在一座陡峭悬崖脚下浅里。

And yet, this revelation has created more questions than it has answered.

更多问题，多数浅生物可能因冰层锁住更多水。

The creature's former habitat, a shallow seabed, is now on a mountaintop.

这种生物以前栖息地是浅床，现在栖息地则在山顶。

Life is confined to the oceans at this point, and most of that is in the shallow seas.

当时生命仍然局限于洋，主要分布在浅区域。

Some resemble creatures familiar from shallower waters, others defy classification.

有一些貌似浅生物，另一些则长相怪异。

It’s unclear why the whales entered the shallow waters in the first place and apparently become disoriented.

尚不清楚为何这群鲸鱼会到浅中，它们看好像是迷航了。

With the retreating ice, rough weather and ferocious currents stir up these shallow seas.

随着冰雪消退，暴烈天气和汹涌洋流把这片浅搅得天翻地覆。

In February, that takes them to the surface waters far from the coast of Venezuela.

二月，鲸鲨从遥远委内瑞拉岸到这片浅。

The footage spanned shallow seafloors of 25 meters or so and areas nearly 4,000 meters deep.

视频拍摄了25米深左右浅底，也有近4000米深区域。

The abundance of food in the shallow seas attracts many other species of whale and dolphin, including humpbacks.

浅区充足食物吸引了很多其它种类鲸和豚，包括座头鲸。

Colonising new reefs is a challenge faced by fish across the South Pacific, but they have a simple solution.

移居到新浅礁区对南太平洋鱼类是一个挑战，但它们有简单解决方法。

The Great Plains are actually the former bed of shallow inland sea.

大平原实际上是内陆浅前床。

And that would have had a greater impact on the shallow oceans.

这会对浅产生更大影响。

While today they are swallowed by shallow seas, this is only the result of a geologically recent rise in sea levels.

虽然如今它们被浅所淹没，但这只是地质上最近平面上升结果。