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- The healthy city wetland ecosystem,is the city ecology security system important constituent and the city social economy sustainable development important foundation. 健康的城市湿地生态系统,是城市生态安全体系的重要组成部分和城市社会经济可持续发展的重要基础。
- City ecology security 城市生态安全
- Artificial wetland is an effective way to the establishment of city ecology. 指出人工湿地是创建城市生态的一种有效途径。
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- And then the method of ecological security was applied to the case of Kaifeng city and some suggestions on ecological security construction were put forward. 在此基础上，以开封市为研究对象，对开封旅游的生态安全进行了定量的研究，提出了开封市旅游生态安全建设的若干建议。
- Hyphantria cunea invaded Jinan for the first time in 2007, and has caused serious damage to city scape and ecological security of Jinan. 摘要2007年美国白蛾首次入侵济南市，对城市景观和生态安全构成严重威胁。
- According to the characteristics of plant invasion, the cause of invasion and the influence on ecology security are systematically analyzed. And the corresponding preventive measures are proposed. 根据绿色入侵的特点和特性,系统地阐述绿色入侵的侵入原因及其对生态安全所带来的影响,并提出相应防治对策。
- Wuzhong district of Suzhou city being taken as an example,with this indicator system,the comprehensive evaluation of landscape ecological security in 1984 and 2002 was conducted. 结果表明;景观生态安全评价综合指数从1984年的63.;29%25下降到2002年60
- Cities ecology is both the result of human pursuing ecology and the certain trend of future cities development. 城市的生态化是人类生态价值取向的结果,是未来城市发展的必然趋向。
- Based on clarifying of land ecological security and taking Hebei Province as the case, this article discusses the methods of security evaluations of land ecology. 以河北省为例,在界定土地生态安全概念的基础上,探讨了土地生态安全评价的方法。
- City Ecology and Greenland Planning 城市生态与绿地规划
- New thought on city ecology and city plan 城市生态学与小城市规划新思路
- Landscape ecology security pattern 景观生态安全格局
- Results Landscape scale is the right scale to assess regional ecological Security. 结果景观尺度是区域生态安全评价的适宜尺度。
- The urban greenland is a main component of city ecological system and plays an important role in removing the pollutants in urban surface runoff. 城市绿地是城市生态系统的重要组成部分,对于控制城市地表径流中污染物起到至关重要的作用。
- The status quo of China's forestry indicates that forestry development does not meet the requirement for maintaining ecological security. 林业现状说明，林业发展与维护生态安全的要求极不适应。
- The main causes for the deterioration of land ecological security are unreasonable reclaimation、 denudation, overgrazing and the extensive farming. 滥垦、滥伐、过度放牧以及粗放经营的生产方式是导致该地区土地生态环境安全状况不断下降的主要原因。
- The city was bombarded by the enemy. 这座城市被敌人炮击了。
- China's ecological situation is grim with aquaculture pollution,soil erosion and desertification threatening the country's ecological security. 我国生态形势十分严峻,水产品的污染、水土流失和土地沙化威胁着国家生态安全。
- The existing problems of Bao Tou city ecological environment are summarized,the measures are put forward according to current situation of ecological protection and management. 本文在对包头市生态环境现状存在的问题进行了概述,并重点针对目前生态环境保护与管理提出了对策措施。
