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wetland
相关语句
  湿地
    Artificial Wet Land Water Landscape in Residential District and Application Thereof
    住宅小区人工湿地——水景观及其应用
短句来源
    On Preservation and Utilization of the wetland in City Landscape Planning——Take A Sample as the Planning of Daxihu Ecological Wetland Park in Yinchuan City
    对景观规划中湿地保护与利用的认识——以银川市大西湖生态湿地公园规划方案为例
短句来源
    Plan and Design of the Dongtan International Wetland Park in Chongming
    江海鱼蚌园 苇荡鸿雁居——崇明东滩国际湿地公园规划设计
短句来源
    The Ecological Design of Wetland in Urban Landscapes
    城市湿地景观的生态设计
短句来源
    SHANTUI SD13S wet land bulldozer
    山推SD13S湿地推土机
短句来源
更多       
  湿地
    Artificial Wet Land Water Landscape in Residential District and Application Thereof
    住宅小区人工湿地——水景观及其应用
短句来源
    On Preservation and Utilization of the wetland in City Landscape Planning——Take A Sample as the Planning of Daxihu Ecological Wetland Park in Yinchuan City
    对景观规划中湿地保护与利用的认识——以银川市大西湖生态湿地公园规划方案为例
短句来源
    Plan and Design of the Dongtan International Wetland Park in Chongming
    江海鱼蚌园 苇荡鸿雁居——崇明东滩国际湿地公园规划设计
短句来源
    The Ecological Design of Wetland in Urban Landscapes
    城市湿地景观的生态设计
短句来源
    SHANTUI SD13S wet land bulldozer
    山推SD13S湿地推土机
短句来源
更多       
  “wetland”译为未确定词的双语例句
    Ecological Design in High-Density Urban Environment: Urban Ecological Thinking of Kaohsiung Zou-Zai Wetland Park
    高密度城市环境的生态设计——高雄洲仔湿地的城市生态思考
短句来源
    Measures for Rational Development and Sustainable Utilization of City Wetland
    城市湿地的合理开发与利用对策
短句来源
    The Application and Research on Constructed Wetland
    地下商业空间中的环境设计研究
短句来源
    Based on the previous studies, during the early period of human society there were sights of copying natural waterfront wetland landscape.
    据考察,人类社会早期即有摹拟自然滨水湿地的景观出现。
短句来源
    As a low cost and a high efficiency nature technology to deal with waster water and polluting substance in rainwater, artifical wetland will be applied in more fields.
    作为一种低成本、高效率的废水和径流雨水中污染物质的自然处理技术,人工湿地的应用领域日益广泛。
短句来源
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  wetland
Plant species diversity of wetland ecosystem in an arid and semi-arid region in northwest China
      
The whole study area was divided into the wetland zone, the ecotone and the arid grassland zone in terms of habitat characteristics and vegetation types.
      
angustifolia organs in the two types of wetland communities was distinctly different, which could be described by polynomial.
      
To determine the impact of photosynthesis and transpiration on nitrogen removal in wetlands, an artificial wetland planted with reeds was constructed to treat highly concentrated domestic wastewater.
      
Results suggest that the photosynthesis and transpiration of wetland plants have a great impact on nitrogen removal efficiency of wetlands, which can be enhanced by an increase in the photosynthesis and transpiration rate.
      
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The relationship between the removal effeciency of aquatic alage from East Lake water by simulated artificial wetlands and the detention time of the feed—water was investigated.The re- sults indicated that the removal effeciency of alage and chla was as high as 99.5% and 98.0% re- spectively at the detention time of 24h.And that only 5—8 alage species remained in the outflow. The algae removal is mainly due to the process of mechanical filtration by the artificial wet- land system.The well—developed plant...

The relationship between the removal effeciency of aquatic alage from East Lake water by simulated artificial wetlands and the detention time of the feed—water was investigated.The re- sults indicated that the removal effeciency of alage and chla was as high as 99.5% and 98.0% re- spectively at the detention time of 24h.And that only 5—8 alage species remained in the outflow. The algae removal is mainly due to the process of mechanical filtration by the artificial wet- land system.The well—developed plant root systems and the microbiotic activities,however,are of the key importance in maintaining the good porosity and permeability of the system,ensuring the high and stable removal efficiency of the algae.

用自行设计的人工湿地模拟装置处理重度富营养化的东湖水,当湖水在系统中停留24h 后,藻类的去除率可高达99.53%,且种类数也大大减少,出水中一般只有5—8种小型藻类。无藻渣产生,不易堵塞。人工湿地对藻类的去除功能主要是机械滤过作用,但植物发达的根系和微生物的活动,对于维持人工湿地良好的孔隙度和透水性,保证该系统对藻类高而稳定的去除率,起着关键性的作用。

Whett global warming, the heat-moisture regimes of permafrost, ecosystems and land surface processes in cold regions will experience dramatic changes;consequently , biogeo- chemical cycles and gas exchange processes in these resions will undergo profound shift- ing. Strong spatial and temporal variability of methane emissions from permafrost surface and active layer soils have been observed , in which the CH4 emission rates of wet tundra vary from - 20 to 2400 mg/m2. h with the average of 29~380 mg/m2 h and...

Whett global warming, the heat-moisture regimes of permafrost, ecosystems and land surface processes in cold regions will experience dramatic changes;consequently , biogeo- chemical cycles and gas exchange processes in these resions will undergo profound shift- ing. Strong spatial and temporal variability of methane emissions from permafrost surface and active layer soils have been observed , in which the CH4 emission rates of wet tundra vary from - 20 to 2400 mg/m2. h with the average of 29~380 mg/m2 h and that of moist and dry tundra range from - 2. 1 to 2216 mg/m2. h with the average of 0~85. 4 mg/m2. h. The annual source strength of soil surface in global permafrost surface may exceeds 35 Tg. The etti.sions of CH4 in cold regions are controlled by ecosystematic community types , soil moisture and temperature ,and are also significantly influenced by wetland distribution , nutrient a.ailability , pH and Eh , organic matter in soils and vascular piants , etc. Climatic warming may firstly thaw the shallow permafrost and that in the vicinity of the southern and lower limit of permafrost , resulting in the release of the sequestered CH4 and organic materials in permafrost. The results of simulations based on the methane content in per- mafrost show that I m thick permafrost contain 65 Tg CH, itt global scale . the additional methane source as the results of the release of the trapped methane due to shallow per- mafrost thawing is quite limited and most of methane effluxes from permafrost layer will be oxidized and absorbed in the topmost layers and active layer , the amount of methane come into the atmosphere will be insignificant. The clathrate methane under permafrost regions is esimated as about 540 Tg, which is vulnerable to sharp climatic and environmen- tal changes. Onshore and offshore permafrost in the Arctic regions might have been warm- ing and releasing methane due to the destabilization of clathrates for quite a long period , but the release at present and in the next century will be small , and its feedback. to golbal climate might be minor.

冻土区土牡表面和活动层土的CH4排放和吸收表现出强烈的时空变化性。根据多年冻土中CH4含量的模拟结果表明,全球尺度上,平均每米厚度多年冻土含有CH465Tg。在未来的200年间,多年冻土融化所导致的大气CH4附加年源强变化于2~25Tg。

By the case of mangrove wildlife conservation area in ShenZhen, this paper introduces the concept of wetland and itis importance to the environment. It also discusses how to protect the sensitive ecosystem within the city in order to maintain concordance between human beings and nature.

以深圳市红树林自然保护区为例,介绍湿地的概念及其对环境保护的重要性,从人与自然和谐的角度出发,探讨如何保护位于城市腹地中的敏感生态系统。

 
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