As a result, these acacias become an oasis in a nitrogen desert.

因此，这些金合欢成为了氮沙漠中的绿洲。

At the base of many of these acacias are colonies of African termites.

许多金合欢树的根部都是非洲白蚁的领地。

She will be forced to abandon the acacia to give her future offspring a fighting chance of survival.

她将被迫离开金合欢树林，给她未来的后代一个可能的生存机会。

The big cat claim advantage point in acacia trees.

大猫在金合欢树上占据了制高点。

She and other area farmers began planting acacia trees to help reduce soil erosion.

她和当地其他农民开始种植金合欢树，以减少水土流失。

Trees like paper birch white or silver poplar, acacia and eucalyptus light up the night.

白色的纸桦树或银色的白杨树、金合欢树和桉树等树木点亮了夜晚。

The acacias' roots are boring under the mounds, tapping into a rich well of nitrogen.

金合欢树扎根于这些土堆中，能够充分利用丰富的氮。

But the thorny acacia are more numerous on the open savanna, where they need to defend themselves.

而有刺的金合欢树更多地长在开阔的热带草原中，在那，它们需要保护自己。

And as a result, the thorn-free, vulnerable acacia are more plentiful in woody areas with plenty of predators.

结果显示，没刺的、易受攻击的金合欢树更多地生长在林木茂盛的地方，且那儿聚居着大量捕食者。

Here in eastern Tunisia, Sghaier and fellow farmers are growing drought resistant acacia and moringa trees valued for their health properties.

在突尼斯东部，Sghaier和其他农民正在种植具有健康价值的抗旱金合欢树和辣木树。