The only place it's found in nature is the Channel Islands.

加州海峡群岛是自然界已发现的该物种的唯一栖息地。

John focuses on invasive plants and the state's Channel Islands.

约翰专注于入侵植物和该州的海峡群岛。

The channel islands have seen winds of more than 160 kilometres an hour.

海峡群岛的风速超过每小时 160 公里。

These are two of the Channel Islands named for the English Channel where you'll find them.

这是两个因英吉利海峡而命名的海峡群岛，可以在英吉利海峡找到它们。

There's a mammal in California's Channel Islands that was almost hunted to extinction by birds.

在加州海峡群岛有一种哺乳动物被鸟类捕食殆尽。

Another choice is to copy Britain's Crown Dependencies such as the Channel Islands of Jersey and Guernsey.

另一个选择是复制英国的王权属地，如泽西岛和根西岛的海峡群岛。

But even at five pounds, they are the largest land mammal on the Channel Islands off the coast of California.

但即使只有5磅重，它们也是加州海峡群岛上最大的陆地哺乳动物。

But then, the less forgiving golden eagles arrived in the Channel Islands, and began preying upon the island fox, hunting them to near extinction.

但后来，不那么宽容的金雕来到了海峡群岛，开始捕猎岛上的狐狸，把它们捕食到几近灭绝。

Canada, to the underwater kelp forest off of California's Channel Islands.

加拿大，到加利福尼亚海峡群岛附近的水下海带森林。

What concerns me though, is that the Channel Islands are in one of the busiest waterways for shipping in the world.

不过, 令我担心的是, 海峡群岛位于世界上最繁忙的航运水道之一。

In Southern California, for example, a population of mammoths on the Channel Islands shrank to under 2 meters tall, becoming pygmy mammoths.

例如， 在南加州，海峡群岛的猛犸象种群身高缩减到 2 米以下，成为侏儒猛犸象。

Dating to the Civilian Conservation Corps of the 1930s, both publicly funded programs that train young people and help the environment Corps members and other youth groups remove invasive plants from the Channel Islands.

这个传统可追溯到 20 世纪 30 年代的平民保护队，这两个公共资助的项目都是为了培训年轻人，帮助环境队成员和其他青年团体清除海峡群岛上的入侵植物。

UNIDENTIFIED MALE: I'm at the east end of Anacapa Island, one of five islands in the Channel Islands National Park and this is the iconic Arch Rock behind me.

身份不明的男性：我在阿纳卡帕岛的东端，这是海峡群岛国家公园的五个岛屿之一， 这是我身后标志性的拱形岩石。