机构

• 生态环境研究中心 [5]
• 地理科学与资源研究所 [4]
• 新疆生态与地理研究所 [2]
• 力学研究所 [1]
• 烟台海岸带研究所 [1]

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• OAI收割 [13]

内容类型

• 学位论文 [5]
• SCI/SSCI论文 [3]
• 期刊论文 [3]
• 会议论文 [2]

发表日期

• 2024 [1]
• 2019 [1]
• 2017 [1]
• 2014 [1]
• 2013 [3]
• 2010 [2]
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学科主题

• 环境经济与环境管理:... [2]
• 地理学 [1]
• 生物学 [1]
• 系统生态学::系统生... [1]

筛选

浏览/检索结果: 共13条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 An integrated framework for assessing the multiscale environmental risks of domestic waste management systems in mountainous regions 期刊论文  OAI收割 ENVIRONMENTAL IMPACT ASSESSMENT REVIEW, 2024, 卷号: 108, 页码: 107597 作者:  Zhou, Kan;  Zhang, Jian;  Liu, Hanchu;  Fan, Jie   |  收藏  |  浏览/下载：16/0  |  提交时间：2024/08/22 Domestic waste management system  Multiscale  Environmental risks  Mountainous regions   食用蔬菜能吸收和积累微塑料 期刊论文  OAI收割 科学通报, 2019, 卷号: 64, 期号: 9, 页码: 928-934 作者:  李连祯;  周倩;  尹娜;  涂晨;  骆永明   |  收藏  |  浏览/下载：144/0  |  提交时间：2020/06/17 微塑料  生菜  聚苯乙烯微球  吸收  积累  健康风险  microplastics  lettuce  polystyrene microbeads  uptake  accumulation  human health risk  Microplastic (MP, 100 nm-5 mm) may present an attributable risk to ecosystem and human health, and its pollution has become a global environmental concern. Despite a wealth of information on the accumulation of MPs in aquatic species, there is no information on the uptake and accumulation of MPs by higher plants. Terrestrial edible plants are directly exposed to MPs when agricultural soil was applied with organic manure, sewage sludge as fertilizer or plastic mulching. In this paper, the uptake of two sizes of polystyrene (PS) microbeads (0.2 and 1.0 mum) and then their distribution and migration in an edible plant lettuce were firstly investigated based on laboratory experiments. We used fluorescent markers to track PS microbeads in plant tissues and found fluorescence to be a sensitive and reliable detection method. Sections from untreated control lettuce showed no autofluorescence. When roots were treated with fluorescently labeled PS microbeads, the microbeads could be identified by its fluorescence. Our main study investigated the uptake of 0.2 mum beads, as few luminescence signals were observed in lettuce roots for 1.0 mum beads in our experiment. We observed that 0.2 mum fluorescent microbeads were extracellularly trapped in the root cap mucilage (which is a highly hydrated polysaccharide) and a dark green tip (which was typical of lettuce roots exposed to label PS beads) was usually visible to the naked eye. Confocal images revealed that the PS luminescence signals were mainly located in the vascular system and on the cell walls of the cortex tissue of the roots, indicated that the beads passed through the intercellular space via the apoplastic transport system. Once inside the central cylinder, the 0.2 mum PS beads were transferred from the roots to the stems and leaves via the vascular system following the transpiration stream. We also observed that the PS beads adhered to one another and self-assembled systematically into grape-like and (chain) string-like clusters in the intercellular space of the root and stem vascular tissue of lettuce plant. In contrast to the root and stem, PS beads were dispersed in the leaf tissue. Here, for the first time we provide evidence of the adherence, uptake, accumulation, and translocation of submicrometer MPs within an edible plant. Our findings highlight the previously underappreciated human exposure pathway to MPs through the consumption of contaminated crops and emphasize the need for new management strategies to control the release of MPs waste products into the terrestrial environment. Ultimately, the potential impacts of low range sized MPs on food safety of crop plants and human health need to be urgently considered.   危险废物处置的生态环境风险评价与管理体系研究——以辽东湾新区危险废物处置为例 学位论文  OAI收割 北京: 中国科学院大学, 2017 作者:  刘东风   |  收藏  |  浏览/下载：65/0  |  提交时间：2018/06/28 危险废物  处置  Hazardous Waste  生态风险评价  Disposal  管理体系  Ecological Environmental Risk Assessment  辽东湾  management System  Coastal Economic Zones In Eastern liaonIng provInce   An Integrated System for Regional Environmental Monitoring and Management Based on Internet of Things SCI/SSCI论文  OAI收割 2014 Fang S. F.; Xu L. D.; Zhu Y. Q.; Ahati J.; Pei H.; Yan J. W.; Liu Z. H. 收藏  |  浏览/下载：42/0  |  提交时间：2014/12/24 Big data  climate change  cloud computing  enterprise systems  environmental monitoring and management  e-Science  geoinformatics  industrial informatics  Internet of Things (IoT)  system integration  information-systems  service workflow  design  architecture  framework  mobile  iot   河岸带植被及其空间配置的土壤环境效应与恢复管理对策 学位论文  OAI收割 博士, 北京: 中国科学院研究生院, 2013 郭二辉 收藏  |  浏览/下载：232/0  |  提交时间：2014/08/06 温榆河  河岸带  植被配置结构  土壤环境效应  河岸带恢复与管理  Wenyu River  riparian system  riparian vegetation pattern  soil environmental effect  riparian restoration and management   Quantifying Climate and Management Effects on Regional Crop Yield and Nitrogen Leaching in the North China Plain SCI/SSCI论文  OAI收割 2013 作者:  Ma L.;  Ma L.;  Yu Q. 收藏  |  浏览/下载：170/0  |  提交时间：2014/12/24 reducing environmental risk  wheat-maize  use efficiency  winter-wheat  nitrate contamination  system management  water management  n  management  corn yield  soil   Highly expanded flashing liquid jets in vacuum environment 会议论文  OAI收割 Beijing, China, September 23, 2013 - September 27, 2013 作者:  Du WF(杜王芳);  Zhao JF(赵建福)   |  收藏  |  浏览/下载：28/0  |  提交时间：2018/11/08 Environmental management  Evaporation  Fighter aircraft  Jets  Nozzles  Shock waves  Solenoid valves  Solenoids  Syringes  Testing  Environmental control system  Environmental pressures  Flashing liquid jets  Initial temperatures  Injection temperature  Low pressure environment  Pressurized liquids  Saturation pressure   Evaluation of water resources carrying capacity based on fuzzy comprehensive evaluation on river basin in arid zone 期刊论文  OAI收割 Advanced Materials Research, 2010, 卷号: 113-116, 期号: 3, 页码: 488-494 Wang; Yang; Xu; Yue-Jian1; Guang3; Hai-Liang4; 2 收藏  |  浏览/下载：32/0  |  提交时间：2011/08/19 Arid regions - Ecology - Economics - Environmental management - Fuzzy set theory - Rivers - Stream flow - Watersheds - Arid zones - Carrying capacity - Development process - Ecological environments - Fuzzy comprehensive evaluation - Indicator system - River basin in arid zone - River basins - Social economy - Space and time - Supply and demand - Technological progress - Water resources carrying capacities   R&D of comprehensive evaluation system of ecological environment in Tarim River basin 会议论文  OAI收割 2010 International Conference on Management and Service Science, MASS, Wuhan, China, 2010 Bao; An-Ming1; 2; Liu; Hai-Long3; Chen; Yun-Hao1; Xi2 收藏  |  浏览/下载：23/0  |  提交时间：2011/08/23 Arid regions - Degradation - Ecology - Information systems - Management science - Monitoring - Risk analysis - Risk assessment - Rivers - Vegetation - Watersheds - Analysis and evaluation - Arid area - Comprehensive evaluation system - Current situation - Degradation index - Density index - Ecological environments - Ecological risk assessment - Ecological risks - Ecological water demand - Environment quality - Environmental information systems - Evaluation system - Land degradation - Landscape ecology - Natural vegetation - Phreatic - Pollution loads - Professional analysis - Research and development - Restoration index - Risk indices - System building - System functions - Tarim River basin - Theoretical study - Vegetation coverage - Water regulation   城市环境福利及其适应性管理的理论与实践研究 学位论文  OAI收割 博士, 北京: 中国科学院研究生院, 2008 刘建昌 收藏  |  浏览/下载：40/0  |  提交时间：2010/06/28 环境福利  城市化  评价指标体系  系统优化  适应性管理 Environmental welfare  urbanization  assessment indicator system  optimization control  adaptive management.