Tomato and tobacco plants can both decipher sagebrush warning signals.

蕃茄与菸草植株 皆可解读山艾树的警告讯号。

Individual sagebrush plants in the same meadow release slightly different sets of alarm chemicals.

同个草原的个别山艾树会释放稍微不同的警示化学物。

" ...much more rapidly, we found that the heating is causing profuse growth of the sagebrush."

“我们发现，热使山艾树生长速度过快。”

John Hart predicts, in decades to come, flowers could be crowded out by sagebrush.

未来的几十年之内，鲜花会被山艾树吞噬。

The difference, three degrees of separation makes in flowers and sagebrush, is easy to see.

3度温差给花和山艾树造成的差别一。

In the unheated natural area, sagebrush is a source of moisture for an army of thirsty insects. They keep sagebrush under control.

在没有热的自区域，山艾树昆虫的水源。他们使山艾树的数受到控制。

While that's good for the sagebrush; it's not good for its plant neighbors. Flowers feel the effect too.

虽这样对山艾树比较好，但对邻近的植物造成威胁。花也感受到影响。

But just a few feet away, sagebrush under the heater grows far better with fewer bugs.

但就在几英尺之外，在热下的山艾树生长状况好，虫子少。

I searched among the sagebrush for my next clue.

我在山艾树丛中寻找下一条线索。

" Perhaps I can help." Ignoring the fool, I wandered deeper into the sagebrush.

“也许我能帮忙。”我不理睬这个傻瓜，继续向山艾树深处走去。

Stretches of sand and sagebrush gave way to fertile fields bearing crops of wheat, corn, fruits, vegetables, and grass.

大片的沙子和山艾树让位于肥沃的田野，上面长着小麦、玉米、水果、蔬菜和草。

But when Big sagebrush sends its super-deep roots far into the soil to search for water, it brings that water up to the shallow-rooted plants as well.

但，当大山艾树将其超深的根深入土壤寻找水时，它也会将水带到浅根植物中。

MARION HYDE: Then finally the balloon came down in kind of a little ravine where sagebrush were growing, and a root had been exposed on the side of the ravine from a sagebrush.

玛丽恩·海德：最后，气球落到一个小山沟里，那里长着山艾树，山沟边的山艾树露出一根根。

The Columbia Basin Pigmy Rabbit feeds on sagebrush almost exclusively in the winter, and the loss of its sagebrush-rich habitat to agricultural development and wildfires is one of the main reasons it was declared extinct, along with predation.

哥伦比亚盆地侏儒兔几乎只在冬天以山艾树为食，农业发展和野火失去它丰富的山艾树栖息地，这它被宣布灭绝的主要原因之一，还有捕食。

It's estimated that this species went from  16 million birds in the pre-settlement late 1800s to as few as 200,000 remaining  today, reflecting the widespread loss and fragmentation of the sagebrush they rely so  heavily on.

据估计，该物种从 1800 年代末定居前的 1600 万只鸟类减少到今天仅存的 20 万只，这反映出它们如此严重依赖的山艾树的广泛消失和破碎。