荒漠

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生态——森林、稀树草原、草地和荒漠。

Abstract : In dry area or sandy dryland, for the reason of scarce rainfall, windiness and lack of labor power and material resources, the low survivor ratio of afforestation were common.

摘要 ： 在干旱或荒漠地造林，降雨稀少，风多且风大，加之人、物乏等原因，导致造林成活率低。

The north of zhungeer is the main district of Central Asia desert mammal population and the mammal in Altai is north subfrigid zone coniferous forest pattern.

摘要准尔盆地沿与阿尔泰山地兽类,山方针叶林型动物群为主,平原中亚荒漠型动物群居多,广布种掺杂其间。

In this area ,the ecological environment is veryrigorous for living things,and aridness and wind and sarid are main threats.

塔克拉玛干沙漠属极旱荒漠地，生态环境十分严酷，干旱和风沙为害是最主要生态环境问题。

Dipus sagitta showed a high density and was dominant in desert-type habitats, especially in sand dune.

聚类分析结果显示, 研究啮齿动物群落可分成荒漠型群落和绿洲型群落两大类。