森林生态安全评价,evaluation of forest ecosystem
1)evaluation of forest ecosystem森林生态安全评价
2)Forest ecology safety森林生态安全
3)ecological security assessment生态安全评价
1.Ecological security assessment model and corresponding indicator system of the regions along Huaihe River in Anhui Province.;安徽省沿淮地区生态安全评价模型和指标体系
2.Regionalecological security assessment on Central Asia based on ecological footprint analysis;基于生态足迹的中亚区域生态安全评价
3.Research on the Ecological Security Assessment of Karst Degraded Landscape Based on 3S Technology;3S支持下喀斯特退化景观生态安全评价研究
英文短句/例句
1.Assessment of ecological safety of Xuzhou City基于生态足迹的徐州市生态安全评价
2.LUCC and Ecological Safety Assessment in Xianyang City;咸阳市土地利用变化与生态安全评价
3.The Theory Analysis and Empirical Research of Ecological Security Assessment in Jilin Province;吉林省生态安全评价理论与实证研究
4.A Study on Ecological Security Evaluation Based on Grid GIS;基于格网GIS的生态安全评价研究
5.Study on the Evaluation of Land Resources Ecological Security in the Three Gorges Reservoir Area;三峡库区土地资源生态安全评价研究
6.Assessment on Ecological Decurity of Xishuangbanna Based on RS & GIS;基于RS&GIS的西双版纳生态安全评价
7.Evaluation on ecological security of land use change of Huangshi;黄石市土地利用变化的生态安全评价
8.Ecological safety assessment of Manas River Basin oasis,Xinjiang新疆玛纳斯河流域绿洲生态安全评价
9.Ecological security assessment of Tangshan City based on emergy analysis基于能值分析的唐山市生态安全评价
10.Evaluation on eco-security in northern plateau of Shiyang River Basin石羊河流域北部平原区生态安全评价
11.Evaluation on Ecological Security of Desertification in Chaidamu Basin柴达木盆地土地荒漠化生态安全评价
12.Ecological security evaluation and analysis of driving factors in Gansu Province甘肃省生态安全评价及驱动因素分析
13.Assessment and Analysis on the Ecological Security in the Middle and Lower Reaches of the Jinghe River Basin泾河流域中下游生态安全评价与分析
14.Evaluation on Ecological Security in Shiyanghe Valley,Gansu甘肃省石羊河流域生态安全评价研究
15.The Study on Industrial Park"s Ecological Security Evaluation Based on the Ecological Footprint Analysis;基于生态足迹分析的工业园生态安全评价研究
16.Ecosystem Services, Ecological Security and Ecological Risk Assessment;生态服务功能、生态安全和风险评价
17.LUCC and Dynamic Evaluation of Ecology Security in Weinan City;渭南市LUCC与生态安全动态评价
18.A Study on Fuzzy Evaluation of Grassland Ecological Security Based on GIS;基于GIS的草原生态安全模糊评价研究
相关短句/例句
Forest ecology safety森林生态安全
3)ecological security assessment生态安全评价
1.Ecological security assessment model and corresponding indicator system of the regions along Huaihe River in Anhui Province.;安徽省沿淮地区生态安全评价模型和指标体系
2.Regionalecological security assessment on Central Asia based on ecological footprint analysis;基于生态足迹的中亚区域生态安全评价
3.Research on the Ecological Security Assessment of Karst Degraded Landscape Based on 3S Technology;3S支持下喀斯特退化景观生态安全评价研究
4)eco-security evaluation生态安全评价
1.GIS-based land-useeco-security evaluation in typical agro-pastoral zone;基于GIS的典型农牧交错区土地利用生态安全评价
2.Moreover, the evaluation of eco-security and the application of 3S technologies ineco-security evaluation on soil erosion area are finished.本研究以遥感影像为主要数据源,结合基础地理数据和野外实地考察资料,对长汀县1994 年和 年的水土流失进行监测和评估,并对其生态安全状况进行评价,探讨应用3S 技术面向水土流失地区的生态安全评价研究途径。
bining the research of national science foundation(40771019), and choosing the Guanzhong area as study area, this paper combing qualitative with quantitative to determineeco-security evaluation grade Threshold, on the basis of the comprehensive analysis ecosystem environment condition in research area and summarizing up the property of eco-security.本文结合国家自然科学基金项目(40771019),选择陕西关中地区为研究区,在对研究区生态环境状况进行综合分析和对生态安全这一概念的性质进行总结的基础上,定性与定量相结合地确定了生态安全评价等级划分阈值,并依据“压力——状态——响应”模型建立了格网化下区域生态安全评价体系,通过对关中地区1990年、2000年和这三期遥感影像进行解译,得到对应年份的土地利用数据,然后在格网GIS技术的支持下,基于土地利用和NDVI等数据基础,对评价体系中各指标进行1Km*1Km尺度下的网格化表达,运用基于栅格数据的空间叠加方法实现生态安全的模型化评价,得到格网化下关中地区生态安全指数空间数据,最后从空间自相关、空间异质性和时空演变趋同这三个方面对其进行了地统计分析,总结出1990～间关中地区生态安全特点,并结合影响生态安全各指标的权重及变化情况分析,尝试提出关中地区生态安全建设对策。
5)Ecological security evaluation生态安全评价
1.By studying ecological brittle situation of desertification region which base on Huailai county, results show the ecological security evaluation index system and construct principle, divide groups of coefficient by adopting quantity principle and method, definite coefficient weight by using related degree analysis, and put forwar.以怀来县为例,对生态脆弱的荒漠化地区的安全状况进行研究,提出了荒漠化地区生态安全评价的具体指标体系和构建原则,并采用数量化原理与方法,对各指标进行了具体量级划分,采用关联度分析方法,对指标的权重进行了确定,并提出了衡量生态安全程度的数量化指标生态安全系数及其计算方法。
2.Based on the theories related to land and ecology,the paper adopted the method of System Analysis and Delphi to establish a suit of index system which was suitable to the ecological security evaluation of land resources in the hill area,on the basis of this index system,the paper combined Analytic Hierarchy Process with Information Entropy to evaluate land resources ecological security in Wugang.在研究土地与生态科学相关理论的基础上,运用系统分析法、德尔斐法等方法,构建了一套符合丘陵山区土地资源生态安全评价的指标体系,根据该指标体系采用层次分析法(AHP)与信息熵法相结合的方法对武冈市土地资源生态安全进行评价。
3.This research applied Entropy-right Method and a comprehensive appraisal model to confirm every weight of indexes and calculate the result of evaluation,and taking the pastoral area of Gansu as an example under the guidance of model of ecological security evaluation,namely,State-Pressure-Response.本文在生态安全评价状态-压力-响应概念框架模型的指导下,以甘肃牧区草原生态安全评价为例,将熵权法与综合评价法有机结合进行了甘肃牧区草原生态安全评价指标权重确定及评价结果计算,在一定程度上丰富和发展了区域生态安全评价方法。
6)ecological safety evaluation生态安全评价
1.The results indicate the values of unsafe factors forecological safety evaluation o f 10counties in the region decreased,which can provide guidance for land develo pment and consolidation in the simil ar basin.研究方法:生态安全评价法、Delphi经验统计判断法等。
2.In such cases,how to carry onecological safety evaluation in the subsiding mining area seemsparticularly important.虽有部分塌陷区已经进行复垦,但是并未达到比较令人满意的安全状态,在这样的情况下,如何对采煤塌陷区进行生态安全评价显得尤为重要。
延伸阅读
森林资源(见世界森林资源、中国森林资源)森林资源(见世界森林资源、中国森林资源)forest resourcessen Iin ziyuon森林资源(forest resources)见世界森林资源、中国森林资源。
