Ecosystem of Savanna in Africa;
非洲稀树草原生态系统概况
temperate and cold savannah
温带和寒带稀树干草原
savanna woodland
热带稀树〔干〕草原林地
d cold savanna(h)
温带和寒带稀树草原
Temperatures cooled and the land became dries.Savannas were forming and forests were shrinking.
气温变凉，大地变干，热带稀树草原开始形成，森林渐渐缩
Grassland with scattered clusters of trees or shrubs.
稀树高原稀疏地散布着树丛和灌木丛的草地
South of the equatorial region is the tree-dotted grassland called the savanna.
赤道地区以南是一片树木稀少的草原，称为热带草原。
annual and perennial grasses of savannas and upland grasslands.
一个一年或多年生禾草属，产于热带或亚热带稀树大草原及丘陵草原。
A simple and inexpensive technology has been developed by the Potash& Phosphate Institute to rehabilitate savanna areas for agricultural purpose.
钾磷肥研究所提出了一项简单而低投资的热带稀树草原复垦技术。
A treeless alpine plateau of the Andes and tropical South America.
高山稀疏草地安第斯山脉和热带南美洲的高山上不生树木的高原
The stems twined around the tree trunk.
(草)茎缠绕着树干。
Most rhinoceroses are solitary inhabitants of open grassland, savanna, scrub forest, or marsh in eastern and southern Africa and tropical Asia.
大多数犀牛孤居在宽阔的草原,热带的稀树大草原,灌木林或东南非和亚热带的沼泽里。
The formation-types are first rearranged into four major biochores-forest, savanna, grassland, and desert.
首先把群系型重新排列成四个主要的生态区——森林、稀树草原、草地和荒漠。
The southern African python occurs in open savannah, riverine scrub and rocky areas.
辽阔的非洲稀树草原，溪流边的灌木丛中，以及多岩石地带，都是南非蟒经常出没的地方。
The new protected areas will encompass a mosaic of savannas covering ancient sand dunes, riverside forests, and swamp forests.
新建的保护区环绕成一个马赛克式的稀树草原，覆盖有古老的沙丘，河边的森林以及沼泽森林。
The meadows lay like a white sea, out of which the scattered trees rose like dangerous rocks.
那一片草原就好象白茫茫的大海，里面露出的那些零落稀疏的树木，就好象危险的礁石。
The Greeks had brought down into cities the individualism, the personal initiative of the wandering life of the northern parklands.
希腊人将个人奋斗精神带进城市，这是北方稀树草原上流浪生活所培养起来的个人进取思想。
In South America, a treeless, grassland area.
南美大草原南美洲的一个无树的草原
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。