And as these dark, dry surfaces have replaced natural vegetation, the air temperature rises.

这些黑暗干燥的表面取代了自然植被，空气温度也随之升高。

Most of Canada and the northeastern United States consists of short-grass prairies wherever natural vegetation has not been modified by humans.

加拿大大面积区域，以及美国东北部存在大草原，那里的自然植被没有被人类所改变。

The crop is farmed according to organic standards, but natural vegetation is still being largely cleared.

农作物是按照有机标准种植的，但天然植被仍在很大程度上被清除。

How is it possible that New York  could have the same climate, and accompanying natural vegetation, as that of  New Orleans in the Deep South?

纽约怎么可能拥有与南方腹地的新奥尔良相同的气候和随之而来的自然植被？

Now  anyone who lives in this region or has some familiarity with the United States is  immediately going to think that this cannot possibly represent a single type of climate, along with accompanying natural vegetation.

现在，任何居住在该地区或对美国有一定了解的人都会立即想到，这不可能代表单一类型的气候以及伴随的自然植被。

And the type of natural vegetation we find all along the Gulf Coast, with  cypress, hickory, oak and pine forest dominating differs much compared to the north where spruce, fir, maple, beech and birch are most common.

我们在墨西哥湾沿岸发现的自然植被类型以柏树、山核桃树、橡树和松树为主，与以云杉、冷杉、枫树、山毛榉和桦树为主的北部相比有很大不同。