Evaluation of Soil and Water Ecological Security for Mining Cities in Anhui Province Based on VIKOR Model [PDF]
[Objective] The status of ecological security in mining cities was determined and the factors restricting the development of ecological security were clarified in order to provide a scientific basis for sustainable mining in Anhui Province.
He Gang +3 more
core +1 more source
Spatial Pattern and Dynamic Evolution of Carbon Ecological Security Level in Yellow River Basin [PDF]
[Objective] The spatial differences and dynamic evolution of carbon ecological security level were analyzed to optimize the overall plan of carbon ecological security in the Yellow River basin (an important “energy basin” in China) in order to ...
Jiang Yuqi +3 more
core +1 more source
Ecological Security Evaluation of Gansu Section of Weihe River Based on DPSIR Model [PDF]
[Objective] The ecological security status of the Gansu section of the main stream of the Weihe River was analyzed in order to provide a theoretical basis for ecological civilization construction of the river basin.
Shao Yuehua, Tan Cunfeng, Yang Diaodiao
core +1 more source
Spatial and Temporal Distribution Characteristics of Water Quality in Beiluo River and Pollution Sources Based on Principal Component Analysis [PDF]
[Objective] The water quality of four monitoring sections of the main stream of the Beiluo River from 2014 to 2020 were evaluated and analyzed in order to provide a basis for further improving the water environment of the river basin.
Li Su, Zhang Xiang
core +1 more source
Construction of Ecological Security Pattern in Ecological Barrier Zone of Loess Plateau Based on “Importance-Sensitivity-Landscape Features” [PDF]
[Objective] The relationship between ecological spatial network structure and soil conservation was analyzed in order to provide countermeasures and suggestions for improving ecosystem services in the Loess Plateau barrier region.
Liu Hongjun +5 more
core +1 more source
Coupling Coordination Relationship of Land Ecological Security and Prosperity Process at Border Areas in Guangxi Zhuang Autonomous Region from 2000 to 2020 [PDF]
[Objective] The effect of land ecological security at border areas in Guangxi Zhuang Autonomous Region, and the process for improving border areas and enriching people were evaluated scientifically, and the coupling coordination mechanism was revealed in
Huang Ronghua +3 more
core +1 more source
Ecological security assessment of Qiandao Lake based on catastrophe theory(基于突变级数法的千岛湖流域生态安全评价)
针对千岛湖流域生态系统退化、生态安全受到威胁的现状,对千岛湖流域生态安全进行了综合评价,以识别影响流域生态安全的主要因素.研究引入了基于突变理论的多准则评价方法——突变级数法,基于压力-状态-响应(PSR)模型构建了由15个相关指标组成的评价指标体系,对千岛湖流域2008~2011年间的生态安全进行了全面评估.评估结果表明,2008~2011年间,千岛湖流域生态安全2010年达到较安全级别,其他年份均处于基本安全的级别.相对而言,压力系统的安全度最低,状态系统安全度最佳.研究结果表明 ...
LIYanan(李亚男) +3 more
doaj +1 more source
Spatio-temporal Evolution and Scenario Prediction of Carbon Storage in Typical Wetlands in Poyang Lake Region [PDF]
[Objective] The temporal and spatial characteristics of carbon storage in the Poyang Lake wetland ecosystem were analyzed in order to provide scientifically based recommendations to protect Poyang Lake wetlands in the future and to produce regional ...
Dong Bin +5 more
core +1 more source
Risk Assessment of Highway Flood Disaster in Central Chongqing City Based on Extension Cloud Model [PDF]
[Objective] The fuzziness and randomness of highway flood risk indicators, and transform highway flood risk evaluation indicators from qualitative descriptions to quantitative values were analyzed in order to improve highway flood risk prevention and ...
Chen Lin +4 more
core +1 more source
生态安全是一定时间尺度内,不同层次、不同类型的生态系统保持其自身正常结构与功能和满足人类持续发展需要的状态。它是农业可持续发展的核心和基础。在分析农业生态安全面临的问题、构建农业生态安全评价指标体系的基础上,运用层次分析法和GIS技术,采用“农业生态不安全指数”对洞庭湖区各县(市)的农业生态安全状况进行了综合评价。结果表明,湖泊调蓄功能衰退,洪涝灾害威胁加剧,水土流失严重,环境蒋染加重是洞庭湖区农业生态安全面临的主要问题。洞庭湖农业生态安全表现出明显的地域分异特征,生态农业生态不安全指数由湖边向丘陵 ...
许联芳 +4 more
doaj +2 more sources

