您要查找的是不是:
- Water resources conservation forests and ecological protective forests will be built at sources of large rivers, the surrounding areas of lakes and reservoirs and environmentally fragile areas according to catchment, mountain range and regional scope. 在大江大河源头、湖泊、库区周围和环境脆弱地区,按流域、山系、地域规模治理,营造水源涵养林、生态防护林。
- Water resources conservation forests and ecological protective forests will be built at sources of large rivers,the surrounding areas of lakes and reservoirs and environmentally fragile areas according to catchment,mountain range and regional scope. 在大江大河源头、湖泊、库区周围和环境脆弱地区,按流域、山系、地域规模治理,营造水源涵养林、生态防护林。
- ecological protection forest 生态防护林
- Research on the ecological protective forest GIS in Zhengzhou City and its application 郑州市生态防护林地理信息系统研究及应用
- Enhancing ecological protection and construction in key areas ? 加强重点区域的生态保护和建设。
- Construction of ecological environment forest, urban protection forest, water and soil conservation, production and comprehensive utility and development of nursery stock. 生态环境林、城市防护林建设,天然林资源保护,水土保持,林业苗木生产及综合利用开发等。
- Enhancing ecological protection and construction in key areas? 加强重点区域的生态保护和建设。
- Egina ecological protection has established spywares! 建立额济纳生态保护区己刻不容缓!
- Use recyclale paper is also a way to protect forest resources. 使用再生纸也是保护森林资源的一个途径.
- Prioritize ecological protection and build an ecological civilization! 建生态环境,发展生态经济,培育生态文化!
- We must put in practice a strict land management system and measures to protect forest and grasslands. 坚决实行最严格的土地管理制度和保护森林资源的措施。
- Establishment of Cutting Orchard of Improved Variety for Coastal Protection Forest of Casuarina spp. 沿海防护林木麻黄优良品种采穗圃营建技术的研究。
- Natural grassland is rationally utilized and the active grassland ecological protection is effective. 天然草地得到合理利用,草原生态保护积极有效。
- Study on Affection of Water Resources Protection Forest to Water Quality of Miyun Reservoir in Beijing, China. 北京密云水库水源涵养林对水质的影响研究。
- Construction of water and soil conservation and ecological protection projects has been accelerated. 水土保持生态环境工程速度加快。
- The development of the straw-based panel also has the social benefits of resolving the rural problems and ecological benefits of protecting forest and reducing pollution. 除了提供木材替代产品外,麦秸板的发展还具有有助于解决“三农”问题的社会效益,保护森林,减少污染的生态效益。
- Protection Forest on sandy meadow was established by mixing broadleaf trees to raise stability of sandy meadow system. 为提高草沙地系统稳定性,采用阔叶树混交方式营建草沙地防护林。
- Betsy Damon,the well known American specialist on water re-source and ecological protection is one of them. 这其中就有多年关注北京水系统规划的美国知名的水资源生态保护专家贝茜·达蒙女士。
- The forest-worship of the Dais did have positive effects on ecological protection. 傣族的山林崇拜对生态保护具有积极意义。
- Chemical property of precipitation in Pinus tabuleaeformis water resource protection forest in Miyun Reservoir wa-tershed. 密云水库集水区人工油松水源保护林降水化学性质研揪。