湿地

In addition,exotic C4 plant Spartina alterniflora is rapidly invading the salt marshes in the Yangtze River estuary,and displacing the native C3 vascular plants Phragmites australis and Scirpus mariqueter.It is no clear whether the C4 vascular plant invasion has serious impact on food web structure and trophic function of the salt marshes of the Yangtze River estuary.

另外，外来种互花米草正在快速入侵长江口盐沼湿地，这种C_4维管植物入侵将对盐沼湿地食物网及其营养功能会产生什么样的影响也是一个值得探讨的问题。

The spatial variability of soil salt content, electrical conductivity, pH and sodium adsorption ratio was analyzed by using traditional statistics and geo-statistics in a typical degraded wetland of saline sodic soils.

以苏打盐渍土区典型退化湿地为研究区，运用经典统计学和地统计学相结合的方法研究了退化湿地盐碱化指标：土壤电导率、盐分含量、pH和钠吸附比的空间变异特征，绘制了4种指标的空间分布图。

Both the thermophilous plants and hardy plants should be planted to keep the operation of the wetland system all tear round and the submerged plants and the emerging plants should be planted in a same space to make the wetland system more effectively.

在时间上，可将喜温植物与耐寒植物结合，以保证湿地系统的长年运行；在空间上，可将挺水植物与沉水植物结合，以保证湿地系统的处理效果。

Some water samples from intakes and outlets of 3 wetland pond beds growing Phragmites communis Trin, Typha angustifolia and Cyperus alternifolius were respectively taken for monitoring and contrasting 5 main water quality indexes including dissolved oxygen, chemical oxygen demand, biochemical oxygen demand in 5 days (BOD5), total nitrogen, and total phosphorus month by month all year around, so as to discover influences of different plant species on water purification efficiency.

摘 要：通过对成都活水公园人工湿地中的3种优势挺水植物所在塘床进出水口的5个主要水质指标：水中溶解氧（dissolved oxygen， DO）、化学需氧量（chemical oxygen demand， CODcr）、5日生化耗氧量（biochemical oxygen demand in 5 days， BOD5）、总氮（total nitrogen， TN）、总磷（total phosphorus， TP）的全年逐月对比监测，探索不同植物种类对污水净化效率的影响，并对湿地中不同植物塘净化效率产生差异的原因作了较全面的分析讨论。

According to the pilot researches,the effects of Typha wetland and hydraulic retention time in the purification efficiency for highly salty reused water treatment in TEDA Landscape River were studied in this paper,while different kinds of contamination is evaluated.

通过香蒲湿地对天津泰达景观河道水体污染物去除的室内试验，研究了香蒲湿地对泰达高含盐再生水的净化效果以及水力停留时间对水质净化效果的影响，考察了不同污染物的去除情况。

Main characteristics of W-SFCW are optimal flow-state on wastewater and domestic sewage flow wavily in W-SFCW bed.

成熟的潜流湿地系统在其填料表面和植物根系形成了生物膜，在湿地床的内

Wetly has huge economy value with abundant of ecosystem value, a lot of nations pass to draw up wetly protection law to carry out reasonable exploitation.

湿地具有巨大的经济价值和丰富的生态价值，很多国家通过制定湿地保护法，实现合理利用。

Various function is an integral whole.But no matter how its form and function change, always with wetly resources for rely on, surround wetly carry on.

但无论其形式和功能怎样变化，总是以湿地资源为依托，围绕着湿地来进行的。

International society form《Lm convention》to protect wetly ecosystem system and reasonable exploitation.

国际社会通过缔结《拉姆萨尔公约》保护湿地生态系统及合理利用，该条约具有现代环境保护的先见性，对缔约国有三项法定义务约束，即合理利用义务、指定湿地的保护义务以及国际合作义务。

Wetly park is 1 kind with wetly for mainly carry a body of park form, its concept is similar in the small scaled sanctuary, but again differ from a nature reserve area with general the concept of meaning park.

湿地公园是一种以湿地为主要载体的公园形式，其概念类似于小型保护区，但又不同于自然保护区和一般意义公园的概念。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。