1) Miyun Reservoir Watershed Area in B
北京密云水库集水区
1.
Soil Erosion Control Mechanism and Modeling of Forest for Water Resource Conservation in Miyun Reservoir Watershed Area in Beijing;
北京密云水库集水区水源保护林土壤侵蚀控制机理与模拟研究
2) watershed of Miyun Reservoir in Beijing
密云水库北京集水区
1.
heterophylla in the watershed of Miyun Reservoir in Beijing as this research object,by the research of age structure, distributive pattern of typical shrubbery plants of Vitex negundo var.
本研究以密云水库北京集水区典型荆条灌丛为研究对象,通过对典型荆条灌丛种群年龄结构、种群结构与格局的研究,结合“近自然林业理论”和荆条的经济开发潜能,对仿拟自然的高效、稳定生态经济型荆条灌丛结构模式与经营模式进行理论探讨,以期充分发挥荆条灌丛的生态效益、经济效益和社会效益,解决国家要生态、地方要发展、农民要增收的问题。
3) Miyun reservoir watershed
密云水库集水区
1.
Soil erosion in Miyun reservoir watershed and control countermeasures;
密云水库集水区水土流失及其防治对策
2.
Studies on sustainable development and discussion on its countermeasures in Miyun Reservoir Watershed;
密云水库集水区区域可持续发展评价及其调控对策研究
3.
According to the eco economic theory, 53 specific indexes suitable for classification of eco economic systems of the Miyun reservoir watershed in Beijing were selected.
从生态经济系统原理出发,选择了53个适合密云水库集水区生态经济系统分类的特征指标,以乡为分类的基本单元,应用5种聚类分析方法对密云水库集水区(北京)38个乡(镇)进行了不重叠、内在的等级聚合分类。
4) Miyun watershed
密云集水区
1.
Economic benefit dynamics of carbon sequestration by forest trees in Miyun watershed.;
密云集水区森林树木固C动态经济效益研究
2.
Study on Non-commercial Forest Compensation in Miyun Watershed;
密云集水区公益林补偿研究
5) Miyun reservoir
密云水库
1.
Analysis on the phytoplankton and water quality in eastern and western Miyun Reservoir;
密云水库东西库区的水质与浮游藻类分析
2.
Chlorophyll-a Concentration Estimation with Field Spectra of Water in Miyun Reservoir;
基于实测光谱估测密云水库水体叶绿素a浓度
3.
Investigation on the Impact of Microbial Community on Off-Flavor of Raw Water in Miyun Reservoir;
密云水库微生物相变化对水质及嗅味的影响
6) the Upperstream Watershed of Miyun Reservoir
密云水库上游地区
1.
,DeNitrification-DeCompositon),was adopted in the study to quantify SOC storage and dynamics in croplands of the Upperstream Watershed of Miyun Reservoir in North China.
采用农业生物地球化学模型——DNDC对密云水库上游地区农田土壤有机碳储量及其变化进行模拟研究,首先应用当地实测结果进行模型验证,然后根据当地气候条件、土壤性质和现行农业耕作管理特点等建立GIS区域数据库,并在数据库的支持下进行区域模拟和分析。
补充资料:密云水库(见北京)
密云水库(见北京)
Miyun Shuiku
Miyun Shuiku密云水库(Miyun shuiku)见北京。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条