When otters disappear, for example, urchins take over, decimating kelp forests.

比如当水獭消失，海胆数量会上升，海藻丛会被大量消耗殆尽。

And now, we see mostly barren habitat with a lot of sea urchins and sea urchins eat kelp and so right now, populations are sort of out of balance.

变成如今这般贫瘠的栖息，有很多海胆，海胆吃海藻，所以现在，生物数量有些失衡。

The men work all day cleaning and tending the kelp fronds that are grown on ropes linked to a vast armada of buoys.

男人们整天清理和照料海带，这些海带长在连接着许多浮标物的绳索上。

How do we know that the kelp is not going to come back up, well, if you sink kelp to the bottom of deep ocean, say 12,000 feet, it's under 5,000 pounds of pressure.

我们怎么知道海带不会浮上来呢，如果你把海带沉到深海底部，比如说12000英尺，则承受着5000磅的压力。

Kelp is something of a wonder crop. It absorbs large amount of CO2.

海带是一种神奇的作物，它吸收大量氧化碳。

The " kelp wanted" section.Alright, okay, too far.I put it.

" 海草招聘会" 好吧 扯过头了 不好笑。

And we'd probably have a lot of kelp left over that we could use to feed ourselves and feed animals and create plastic alternatives that would also help us to lower our footprint on the planet.

如果我们还有剩余的海藻，这些海藻可以拿来食用，喂养动物，或者制造塑料替代品，也可以帮助我们减少球碳足迹。

At Garrapata State Park, buckle up for the two-hour adventure through Big Sur, where California’s Santa Lucia mountains tumble down into the swaying kelp forests of the Pacific.

来到加拉帕塔州立公园 沿着大索尔，进行2小时的探险，加州圣塔露西亚山脉在此没入太平洋摇摆的海草森林里。

The algae involved, particularly kelp, are popular in Asian cuisine.

及的藻类，尤是海带，在亚洲菜肴很受欢迎。

Now if the mom needs to go off and hunt for food, you may see a pup actually wrapped in kelp.

所以如果妈妈需要出去觅食，你可能会看到幼崽被海带裹住。

And that's extremely valuable for all the marine organisms that rely on the kelp, not just for protection and for homes, but as a food source.

这对所有依赖海带的海洋生物来说是极宝贵的，这不仅是提供了保护和家园，还是食物来源。

Seaweed and kelp are plants that grow in water.

海藻和昆布是生长在水的植物。

We're working with fishermen to diversify their income by farming kelp in their off season.

我们正在与渔民合作，在他们的淡季养殖海带，以增加他们的收入。

This feature allows them to blend in with the seaweed and kelp of its environment.

这个特征使它们能够与周围环境的海藻和海带融为一体。

And that's what we're actually seeing in places like California where kelp forests are declining.

这就是我们在加州等所看到的，那里的海藻林正在减少。

So kelp farming is not only restorative it's regenerative.

昆布养殖不仅可以复原生态，也是再生过程。

[Guest Presenter] No, they mostly eat algae and kelp.

these guys are vegetarians[嘉宾主持人] 不 这些家伙都是素食主义者，他们大多吃海藻。

Alternatively, we could take a kind of save-the-president-first approach and focus on species vital to entire ecosystems, like mangroves, whose groves support over a thousand species or otters, whose urchin-eating keeps kelp forests healthy.

我们可以以 “先保总统” 的原则，先关注那些对生态环境更重要的物种，例如能够支撑上千种物种生活的红树林，或者食用海胆的水獭——这种行为能保持水草群的健康。

Take the British coastline - all along the shores, the kelp and seaweed growing there support a huge range of life. Where kelp meets the sea bed, all kinds of animals can use it for shelter.

以英国海岸线为例——在整条海岸线上生长着的海带和海藻，给各种各样的生物提供了便利。在海藻与海床交汇的方，各种动物都可以找到自己的栖身之所。

Floating plastic could bring ants and diseases such as bird flu, while drifting kelp and seaweeds could transport crabs, sea stars and slugs, according to Ceridwen Fraser, the study's co-author and a biogeographer at the University of Otago.

该研究的合著者、奥塔哥大学生物理学家塞丽德文·弗雷泽表示，漂浮的塑料可能带来蚂蚁和禽流感等疾病，而漂流的巨藻和海藻可能携带螃蟹、海星和蛞蝓。