Results indicate that China's terrestrial ecosystems can be divided into 683 types, 135 of which are of high priority, including 75 forest ecosystems, 27 wetland ecosystems, 8 shrub ecosystems, 12 steppe ecosystems, 6 meadow ecosystems and 7 desert ecosystems.

結(jié)果表明国产高潮社区，我國683類陸地生態(tài)系統(tǒng)中有優(yōu)先保護生態(tài)系統(tǒng)類型有135類日韩国产欧美，其中森林生態(tài)系統(tǒng)75類快射在线视频，濕地生態(tài)系統(tǒng)27類，灌叢生態(tài)系統(tǒng)8類国产自产21区国产盗摄，草原生態(tài)系統(tǒng)12類，草甸生態(tài)系統(tǒng)6類搞女人下面必网站，荒漠生態(tài)系統(tǒng)7類丝袜av射精中文字幕。

In addition,temperature was also the key factor controlling the spatial distribution of vegetation types,such as meadow,steppe, shrub and

此外，熱量成為大興安嶺東西兩麓發(fā)育的林緣草甸蜜桃视频未满在线观看、草原亚洲一级裸体av无码毛片、灌叢和低濕地等植被類型空間分布的主導(dǎo)因素。

In addition,temperature was also the key factor controlling the spatial distribution of vegetation types,such as meadow,steppe, shrub and low land

此外欧美能看的一级片网站，熱量成為大興安嶺東西兩麓發(fā)育的林緣草甸q级毛片激情视频、草原、灌叢和低濕地等植被類型空間分布的主導(dǎo)因素99日韩精品视频免费看。

On the basis of field investigation about the arbor, shrub and steppe communities in Wuqi county, the authors quantitatively analyzed the vegetation recovery and the relationship between vegetation recovery and soil erosion.

中文摘要：在對吳旗縣喬木林日韩欧美黄色网、灌木林和草原群落野外調(diào)查的基礎(chǔ)上，對其植被恢復(fù)及植被恢復(fù)與水土流失的關(guān)系進行了定量分析中国农村黄色网站av，結(jié)果表明在线视频中文一区二区三区，在吳旗縣這樣的自然地理條件下，通過退耕還林在线欧美国产二区、封山禁牧日韩毛片二区，植被完全可以得到恢復(fù)，完全可以控制水土流失的發(fā)生免费黄色强奸A片。

After fencing, disturbance will be removed and plant community transform from annual plants to secondly stable shrub or relatively stable steppe, and biodiversity also increase, ecosystem tend to be more stable. Soil develop from mobi

圍欄封育国产A片地址一，干擾源消除，群落逐漸由不穩(wěn)定的一年生植被向次穩(wěn)定的灌叢化植被和相對

shrub steppe：灌叢干草原

shrub invasion 灌木侵入 | shrub steppe 灌叢干草原 | shutter 快門

shrub steppe savanna：灌木矮草草原

shrub layer 灌木層 | shrub steppe savanna 灌木矮草草原 | shrub zone 灌木帶