Although these populations might be able to adapt by shifting their spawning grounds northward.

尽管这些鱼群可以通过将产卵地向北迁移来适应这一变化。

Too much fishing is reducing the number of fish, while fish spawning grounds are disappearing.

过度捕捞导致鱼类数量锐减，而鱼的产卵地也正在消失。

Those salmons that successfully make it to their spawning grounds will die soon after they reproduce.

那些成功抵达繁殖地的鲑鱼在繁殖结束后很快就会死去。

Each year, over half a billion salmon make the epic journey up river to their spawning grounds.

每年一度，超过五十万条鲑鱼会逆流而上，进行一场回归繁殖地的史诗之旅。

Every block also was the spawning ground practically for every gangster, black and white, in America, too.

在美国，每一个街区几乎也是每一个黑帮的滋生地，无论黑人白人。

The warm ocean waters affected salmon living in the sea before they returned to their spawning grounds.

在鲑鱼回到产卵地之前，温暖的海水影响了它们在海洋中的生活。

We get three species of salmon that come up this river, and this is their spawning ground.

这条河上有三种鲑鱼，这是它们的产卵地。

They'll migrate back and forth between feeding and spawning grounds annually for the rest of their lives.

在余下的年岁中，它们会来回往返于觅食区域和产卵地。

And there are dams everywhere, and these are precisely the things that stop wild salmon from reaching their spawning grounds.

到处都有水坝，刚好就是这些水坝， 挡住了鲑鱼的去路， 让它们无法到达产卵处。

The Xerox Corporation's Palo Alto Research Center, known as Xerox PARC, had been established in 1970 to create a spawning ground for digital ideas.

施乐公司的帕洛奥图研究中心——常被叫做“施乐 PARC”——成立于1970年，目的是为数字领域的创想提供成长环境。

This river is right close to the community. We get three species of salmon that come up this river, and this is their spawning ground.

这条河离这个群落很近。这条河上游有三种鲑鱼，这是它们的产卵地。

This amazing ecosystem supports millions of birds and fish, including spawning grounds for the prized Copper River salmon.

这个惊人的生态系统养育着数以百万计的鸟类和鱼类，包括珍贵的铜河鲑鱼的产卵场。

The world's largest carp, these powerful fish cruise the rivers with the seasons, migrating between spawning grounds in mountain torrents and these more placid lowland waters.

作为世界上最大的鲤鱼，这些大型鱼类随着季节的变化在河流中游弋，在山区激流的产卵地和这些更平静的低地水域之间迁徙。

As soon as they're strong enough to swim against the current, Atlantic bluefin leave the warm waters of their spawning grounds and spend their lives hunting all over the Atlantic Ocean.

当蓝鳍金枪鱼强壮到足以逆洋流而行时，它们会离开适宜产卵的温暖流域，将捕猎范围扩大到整个大西洋。