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生态系统     
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  ecosystem
     Studies on Symbiosis Ecosystem of Fish and Grass
     鱼草共生生态系统的研究
短句来源
     Long-term Changes of Main Ecological Factors of the Jiaozhou Bay Ecosystem
     胶州湾生态系统主要生态因子的长期变化
短句来源
     Study on Preferential Flow of Dark Coniferous Forest Ecosystem in the Upper Reach Area of Yangtze River
     长江上游暗针叶林生态系统优先流机理研究
短句来源
     Research on the Hydrological Process and Laws of Larix Gmelini Ecosystem at the Greater Xingan Mountains
     大兴安岭落叶松林生态系统水文过程与规律研究
短句来源
     Ecosystem Modeling Study on the Fishery and Environment of Taihu Lake
     太湖渔业和环境的生态系统模型研究
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  ecological system
     The results show that the value of ecological system service rose from 7168.12×10~6$ to 7542.47×10~6$ from 1992 to 1999,but reduced to 7145.53×10~6$ dramatically from 1999 to 2003.The annual alteration rate of the value of ecological system service is 1.3%,much higher than the total alteration rate of 0.08%.
     发现:从1992年到1999年间生态系统服务价值从7168.12×106美元增加到7542.47×106美元,但从1999年到2003年间生态系统服务价值迅速减少到7145.53×106美元,生态系统服务价值每年变化率为1.3%,远高于总的年变化率0.08%。
短句来源
     Research Progress in the Plant Heavy Metal (Cu、Zn、Cd) Pollution of Forestry Ecological System
     森林生态系统植物重金属(Cu、Zn、Cd)污染研究进展
短句来源
     In this paper we consider the dissipativity of the Lotka-Volterra ecological system x=diag(x)(a+Ax).
     本文考虑Lotka-Volterra生态系统x=diag(x)(a+Ax)的耗散性。
短句来源
     60%~65% of the water was consumed for human activity with 35%~40% used by natural ecological system.
     在绿洲耗水中,社会经济系统约占60%~65%,自然生态系统约占35%~40%;
短句来源
     The Median Effective Concentrations are 18.4 mg/L,0.0005 mg/L, 5.37 mg/L respectively. Our experiments indicate that the three kinds of herbicides have adverse effects on the balance of aquatic ecological system.
     它们的半致死浓度分别是 :18.4mg/L ,0 .0 0 0 5mg/L ,5.37mg/L ,证明了除草剂对水生生态系统的稳定有破坏作用
短句来源
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  ecosystems
     Analysis, Integration and Complexity Study of Industrial Ecosystems
     工业生态系统分析集成与复杂性研究
短句来源
     Studies on Cadmium Pollution in Farming Ecosystems
     农田生态系统镉污染研究
短句来源
     The Study on the Complex Ecosystems Well-cycling and It's Regulation and Control Mechanism
     复合生态系统良性循环及其调控机制研究
短句来源
     Belowground Carbon Dynamics of Secondary Forest Ecosystems in Northeastern China
     东北天然次生林生态系统地下碳动态研究
短句来源
     ECOSYSTEMS, ARGRICULTURAL PRODUCTION AND CONSERVATION OF ENVIRONMENT
     生态系统与农业生产及环境保护
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  eco-system
     and in cold region, the combined eco-system showed good treating efficiency of petrochemical wastewater, the average values of COD, BOD5, TN, NH4+-N, TP and patron matter of effluent water from last treated unit reed wetland could reach 75.08, 7.51, 10.63, 5.12, 0.5mg/L and oil 4.63mg/L respectively.
     结果表明,多级塘-湿地复合生态系统在寒冷地区对石油化工废水处理效果良好,最终处理单元芦苇湿地出水的COD、BOD5、TN、NH4+-N、TP和石油类物质的平均值分别可达到75.08,7.51,10.63,5.12,0.5,4.63mg/L.
短句来源
     The system consists of the society and culture discernible index B1, the regional planning discernible index B2, the eco-system discernible index B3, the natural and tourist resources discernible index B4, the environment discernible index B5, the infrastructure construction discernible index B6 and the integrative management discernible index B7, all together 7 secondary indexes, 26 grade C indexes and 84 concrete indexes (grade D).
     该体系由社会文化识别指标 B1、区域规划识别指标 B2、生态系统识别指标 B3、自然及旅游资源识别指标 B4、环境识别指标 B5、基础设施建设识别指标 B6 与综合管理识别指标 B7 共7个二级指标,26个C级指标和84个具体指标 (D级) 组成。
短句来源
     And we also studied the relationship of control over land use zoning with the adjustment characteristics of eco-system and land use planning. At last,we suggested the implement and management of control over land use zoning at county scale.
     通过分析土地利用的分散决策及其后果和土地用途管制制度的产生 ,以及土地用途分区管制的法律基础 ,深入研究了土地用途分区管制与生态系统整合性特征之间的联系 ,以及与土地利用总体规划之间的关系 ,最后提出了县级土地用途管制分区的实施管理建议与措施。
短句来源
     The dynamic change of CO_2 in the eco-system of natural protective area in JINFO mountain of Chongqing
     重庆金佛山自然保护区生态系统内CO_2的动态变化
短句来源
     Study on the Protection of Forest Eco-system at Jinggu County
     景谷县森林生态系统保护研究
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  ecosystem
Increasing the impulsive period τ, the system undergoes a series of period-doubling bifurcation leading to chaos, which implies that the dynamical behaviors of the periodically pulsed ratio-dependent predator-prey ecosystem are very complex.
      
To optimize the spatial structure of an ecosystem, a forest landscape was selected as a research object.
      
Based on the methods of landscape ecology and ecological planning, this paper develops a zoning project of ecosystem functions suitable for various environments.
      
Fourth, efficient measures should be taken to stop human activities that are harmful to Metasequoia and to improve the environment of ONMMT in order to promote the protection of the ONMMT population and its ecosystem.
      
Relationship and its ecological significance between plant species diversity and ecosystem function of soil conservation in semi
      
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  ecological system
Numerical Simulation of the Interaction between Forest Ecological System and Atmospheric Boundary Layer
      
Analysis of Distribution of Artificial Radionuclides in the Ecological System of Barents Sea
      
Effect of Growing Conditions on Wheat Hormonal Status and Productivity in Experimental Ecological System
      
The concentration of CO2 was shown to be a major parameter that determined HI in the experimental ecological system.
      
Approach to modeling of a regional ecological system and spatial relations of its components based on integrated interdisciplina
      
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  ecosystems
The ecological water requirement of forests is defined as the water resources used to maintain and improve the natural balance of forest ecosystems, which can be expressed by evapotranspiration of trees during the growing season.
      
Based on the basic principles of the micrometeorology of atmospheric boundary layers and vegetation canopy, a numerical model of the interaction between forest ecosystems and atmospheric boundary layers was developed.
      
Zoning by Functions of Small-Scale Forest Ecosystems: A Case Study of Hui-Sun Forest Station in Taiwan Province, China
      
In terrestrial ecosystems, soil nutrient regimes at a plant's living site generally represent the plant's "nutrition habitat".
      
Nitrate has been recognized as the dominant mineral nitrogen form in most agricultural soils and the main nitrogen source for crops, but it is not usually the case in forest ecosystems.
      
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  eco-system
Here, we investigated the influence of feeding height levels on the pasture larval contamination level (PCL) in a natural African savannah eco-system in Queen Elizabeth National Park, western Uganda.
      
The ecological water demand (EWD) is the least water amount required to maintain the structure and the function of the special eco-system and the temporal scale of a study on the EWD must be a season's time.
      
The mire meadow in Qinghai Lake drainage area is an eco-system which is affected by the eco-environment factors.
      
The zooplankton of the under-shelf-ice eco-system at White Island (78°10'S, 167°30'E), McMurdo Sound, Antarctica was investigated during December 1976 and January 1977.
      
The purpose of this article was to study the dissipation rate of carfentrazone-ethyl in soil and its terminal residue in wheat field eco-system.
      
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