ecosystem 六级GMAT专八

As a new type of ecosystem, its plant diversity remains unstudied.

人工湿地的生物样性是一个新问题。

We all have an interest in maintaining the integrity of the ecosystem.

维持生态系统的完整是我们共同的利益。

Myriapod animals were probably one of the invertebrate animal groups that first colonized the terrestrial ecosystem during Early Paleozoic.

摘要足动物可能是最早人侵陆地境的无脊椎动物之一。

Ferns were the first terricolous vascular plants, and still comprise an important part of primary productivity of ecosystems.

蕨类植物是最早登陆的维管植物，至今仍是生态系统初级生产力的重要分。

No one knows how a sharp decrease in pteropod numbers will affect other parts of the marine ecosystem.

目前没有人知道翼足类数量剧减将如何影响其他的海洋生态系。

Ardeidae bird is one of important species belonging to wet land ecosystem, and regarded as indicator for environmental assessment.

鹭科鸟类是湿地生态系统中重要的生物种类之一,也是境质量评价的一类指示动物。

Submerged macrophytes is key community in shallow lake ecosystem.It plays important role in water environmental quality and aquicolous ecosystem structure.

沉水植物是浅水湖泊生态系统的关键种群，对水境质量及水生生态系统结构有重要影响。

Patches mosaic is the basic pr operty of community which makes the structure and function of ecosystem prolonge d maintaining.

群落斑块镶嵌结构是群落的基本属性，使群落的结构和功能得以长期维持等论点。

There are highly sensitive and delicately balanced ecosystems in the forest.

森林里有高度敏感、灵敏平衡的各种生态系统。

2 The ca lcu lated g loba l net ecosystem productiv ity N EP(a)and accum u lative N EP(b)basing on GCM andobserved clim ate data.

图2利用GCM模式及实测的气候资料计算出的每年陆地生态系统净碳通量N EP(a)和累积的N EP(b) F ig.

Benthos The organisms that live on the bottom sediments of freshwater and marine ecosystems. They include plants and algae (phytobenthos) that grow below low tide mark.

底栖生物（海底生物）：在淡水或海洋生态系统底生活的生物体。包括一些水底的植物和藻类。

The researcher selects students’ discourse as a tiny cut to dialyze its cultural back, namely the student’s culture, to exposit the true appearance of school cultural ecosystem.

研究者选取了学生话语这一微观层面来力图透视其背后所折射的文化蕴意，即学生文化，从而揭示学校文化生态的实状态。

How to keep long-term depurative water quality and form a hygeian hydrophily ecosystem in manmade lake is a key topic we concerned.

建设良好的水生生态系统,使人工湖长期保持水体的清洁是人们关注的重要课题。