原生植被

文章论述了科尔沁沙地植被的历史变迁和原生植被类型。

Historical changes and types of original vegetation of Korqin sandy land were discussed .

可以认为，由于研究区的人为干扰比较大，景观结构还不尽合理，因而其原生植被景观的恢复还需要一段较长的时期。

From above results , we can conclude that it will spend a long time to restore original vegetation in the study area because of the strong disturbance and the unreasonable landscape structure .

描述了沙地原生植被演替的各个阶段。

Succession of primary vegetation in the sand zone is described .

在世界湿地的大多数原生植被丢失。

Much native vegetation in wetland areas of the world is being lost .

榕树在福州地区原生植被遭到明显破坏时期脱颖而出，成为优势树木。榕树是自然与人和谐相处的典范。

Banyan stands out and becomes superior tree when protophyte is damaged in Fuzhou .

地上植物量显著高于原生植被，达到了垂穗披碱草人工草地水平；

The aboveground phytomass was higher than native vegetation and could reach the level of Elymus nutans artificial grassland ;

次生植被所占比例高达37.45%，表明原生植被受损严重。

The secondary vegetation accounts for the proportion to be high 37.45 % indicated the primary vegetation had been destructed seriously .

有原生植被的一边，天空中形成了雨云，但农田上空却是晴朗的。

On the side with native vegetation , rain clouds formed in the sky above , but the farm-field skies were clear .

秦岭南坡中山地带原生植被主要乔木种群的空间分布及相互关系

Spatial Distribution and Relationships Among the Main Tree Populations of the Primary Vegetation at Middle Mountain Zone of South-facing Slope of the Qinling Mountains

移植草皮盖度达50%～80%，基本达到原生植被的盖度；

The vegetation coverage reached to 50 % - 80 % in the areas where sod was trans-planted , which is about the same coverage of the original vegetation .

现代遥感数据显示黄土高原主要塬区为农业型生态环境，植被以旱作农作物为主，已无原生植被生长。

MSS ( Multispectral Scanner ) data show that there is no natural vegetation but crop of dry farming . The ecological environmental type is typical of agriculture in the plateau area .

结果表明，本片区植物种类较丰富，无原生植被，植物中重金属的超标率较高。

The result shows that the plant specific compo - sition of the area is rich , there is no original vegetation , and over-standard rates of heavy metal in plant samples are relatively high .

随着城市化的发展，城市原有的自然生境和自然景观逐渐消失，原生植被几乎消亡，人们很少有机会享受与野生动物相处的乐趣。

Natural ecology has eventually been destroyed with the development of urbanization , and original vegetation has almost died out , which lead to the fact that people seldom have opportunities to enjoy the fun of playing with wild animals .

并对城市绿地生态环境保护和建设提出了建议，指出应该增加乔木在城市绿地建设中的比例，加大乡土物种和自然原生植被的保护力度，建立健康的城市自然生态系统。

And suggestions for urban ecological environmental protection and construction are given , and it is pointed out that the planting of arbor and the protection of indigenous plant and natural vegetation should be strengthened to construct health urban ecosystem .

从生态系统的格局动态来看，研究区的自然生态系统退化、原生植被减少，栖息地改变、生境破坏，对物种多样性造成了严重威胁。

According to the ecosystem pattern from 1995 to 2008 , We know that : the natural ecosystem in study area was degradation , the native vegetation was reduction , habitat changed and destructed , causing a serious threat to species richness .

外来物种互花米草不断扩张，由初始的分散斑块状逐渐演变为连续带状分布，一定程度上抑制了原生自然植被的生长，限制着其他自然覆被的向海滚动演替速度，甚至使原生生态系统退化。

Alien species spartina expansion , by the initial plaque distribution gradually evolved into a continuous band , to some extent inhibited the growth of native natural vegetations , limiting other natural cover of the sea " rolling succession " speed , and even the degradation of native ecosystems .

多元统计分析表明植被和土壤理化指标对于微生物群落的变化有显著性影响，反映了随着原生演替进行湿地植被对于土壤微生物在有机物分解过程中生理状态的影响。

Multivariate statistical analysis revealed that the measured plant and soil physicochemical characteristics can significantly affect the microbial communities , reflecting the influence of the wetland vegetation on the physiological state of the soil microbial community during the decomposition process .