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合，以减少水土流失。

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

而有刺的合更多地长在开阔的热带草原中，在那，它们需要保护自己。

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

白色的纸桦或银色的白杨、合和桉等木点亮了夜晚。

Within the savanna, all of the zebras make up the zebra population, all of the acacia trees make up the acacia tree population, and all of the lions make up the lion population.

在这个热带草原里，所有的斑马成了斑马这个种群，所有的合成了合种群，所有的狮子成了狮子种群。

When acacia trees are grazed by animals, they quickly react by producing chemicals called tannins, which make their leaves unappetizing and tough to digest.

当合被物啃食时，它们迅速产生一种叫做单宁酸的化学物质，这种物质合的叶子变得倒胃口且难以消化。

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合和辣木。

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

她将被迫离开合林，给她未来的后代一个可能的生存机。

The giraffe eats the acacia tree, so it continually produces those galls which form the geckos' home.

长颈鹿吃合，因此不断产生出虫瘿，从而形成了壁虎的家。

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

合扎根于这些土堆中，能够充分利用丰富的氮。

The big cat claim advantage point in acacia trees.

大猫在合上占据了制高点。

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、易受攻击的合更多地生长在林木茂盛的地方，且那儿聚居着大量捕食者。

The acacia tree needs the ants to protect its leaves and keep it healthy, and in turn, the patas monkey needs those ants and their larvae as food.

合需要蚂蚁来保护它的叶，以维持健康状态，另一方面，帕塔斯猴子需要那些蚂蚁和它们的幼虫作为食物。

Because she isn't a threat to either them or the acacia, the ants mostly ignore her.

因为她对蚂蚁和合都不产生威胁，所以蚂蚁们容忍她的存在。

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

许多合的根部都是非洲白蚁的领地。

In the savannah areas of Ol Pejeta Conservancy, the whistling thorn acacia is very common.

在奥尔佩杰塔保护区的大草原区域，响刺合非常常见。

That the acacia tree is apparently rich with DMT.

那棵合似乎富含DMT。

So gum arabic is the natural sap that comes from acacia trees.

阿拉伯胶是从合中提取的自然胶。

The acacia tree was on top of a high bluff, but a path ran down the bank in a zigzag way to the water's edge, where Cap'n Bill's boat was moored to a rock by means of a stout cable.

合在一个高高的悬崖上， 但有一条小路沿着河岸呈锯齿状延伸到水边， 比尔船长的船通过粗壮的缆绳停泊在一块岩石上。

In South Africa the competition for browsing on the higher branches of the acacias and other trees must be between giraffe and giraffe, and not with the other ungulate animals.

在南非，在合和其他木的高枝上吃草的竞争必须在长颈鹿和长颈鹿之间进行， 而不是与其他有蹄类物。

Herds of wildebeest, their dark skin almost shining blue under the bright African sun, passing across great plains and pausing for brief moments of respite beneath the thin acacia trees.

成群的角马， 在明亮的非洲阳光下， 它们黝黑的肌肤几乎泛着蓝光，穿越广袤的平原， 在稀疏的合下短暂停留， 稍作歇息。