The savanna elephant has an average shoulder height of 3.5 meters whereas the forest elephant has an average shoulder height of 2.5 meters .
草原象的平均肩高3.5米,而森林象的平均肩高是2.5米。
Meanwhile , its location in the center of an ocean of african savanna meant it was ecologically protected as well -- whatever species were living there had spent years evolving in complete isolation from any known jungle creatures .
The savanna elephant and woolly mammoth have very low genetic diversity , asian elephants have medium diversity , and forest elephants have very high diversity .
草原象与猛犸象的基因多样性非常低,亚洲象的基因多样性居中,而森林象具有非常高的基因多样性。
To last " until death do us part " sexual relationships must develop the natural bonds of friendship and affinity that we also evolved on the pleistocene savanna .
But once packard got a " search image " of the savanna in his mind , he began to see evidence of it everywhere .
但是一旦帕克德脑子里形成了稀树大草原的“搜索图像”,他就开始在各处看到它存在的证据。
The thing -- the system of coevolved , interlocking organisms -- he was seeking to restore was not a mere prairie , but a prairie with trees : a savanna .
As they travel inland atspeeds in excess of 60 feet a year , they merge with the rich grass andscattered trees of the savanna .
它们以每年超过60英尺的速度向内地迁移,融入了热带稀树大草原的丰富草地和零星的树木。
The current local vegetation is the degraded secondary vegetation : savanna and succulent thorny shrub .
现有植被为次生的稀树草坡和肉质化刺灌木。
Archaeologists contend that human ancestors lost their standard ape body hair when they left the shade of the forests for the hot , open savanna and needed bare skin for efficient sweating .
They found that under both the high-end and low-end emissions scenarios , many regions would experience climate changes large enough to drive major ecological transformations - pine forest would turn into grassland , or rainforest would become savanna .