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1.
可持续发展战略的环境保护行动   总被引:4,自引:0,他引:4  
从可持续发展论释义,以及以污染现实反证,提出环境是可持续发展的基础,保护环境就是保护人类社会赖以生存和发展的自然资源,自然资源是发展的根本条件的论点,进而提出环境保护工作的二项基本任务。依此提出可持续发展战略的环境保护行动框架意见。  相似文献   

2.
从环境安全的概念和研究意义、必要性和紧迫性、要求和内容、主要措施等方面对强化环境安全进行了探讨.认为提高全民环境保护意识,强化公共环境安全观念,走循环经济的新型工业化道路,构建保障环境安全的经济运行模式,强化环境与发展综合决策机制,建立环境安全监控管理体系,完善环境政策法律体系,加强环境保护法制化进程,引入市场竞争机制,建立多元化环境保护投入体系以及加强环境科学技术研究是强化环境安全、确保可持续发展的主要措施.  相似文献   

3.
鉴于城市规划在环境保护方面的局限性,本文以武汉市九峰城市森林保护区环境保护规划为例,提出了环境保护规划的技术路线、环境规划目标以及结论等,指出了城市大气、水体、声、固体废物和生态环境综合整治规划,并探讨环境保护规划与武汉的城市生态建设。  相似文献   

4.
In the process of rapid urbanisation in China, environmental problems have increased, from sewage discharge to climate change. Marine protected areas (MPAs) are widely advocated as a means to comprehensively manage human activities and resources in ocean and coastal areas. However, MPAs only safeguard populations or assemblages within their boundaries and fail to offer any protection from many major threats to marine environments. An increase in environmental threats implies an increase in environmental management and assessment. We propose a methodological framework for integrated ecological assessment using the Xiamen marine protected area as a case study. The integrated ecological assessment framework can be generalised from the dimensions of environment, economy, society and institution. Surveys were undertaken to assess the state of the Xiamen coastal environment, the resources of the reserve, and issues associated with human activities. Stakeholders were interviewed about their attitudes towards issues regarding the management of the reserve. The constraints of the reserve management were identified. The methodological framework is presented as a tool to help identify relative ecological security in order to prioritise actions and assess the ecological implications of management and policy decisions.  相似文献   

5.
国家自然科学基金“八·五”重大项目——“典型化学污染物在环境中的变化及生态效应”已被批准立项,并将于1992—1995年内付诸实施。本项目研究内容涉及典型化学污染物在环境中迁移、转化及降解的化学过程;在多介质环境中的循环过程及模型;生态毒理学效应;对生态系统结构与功能的影响和预测;以及生态调控对策等五个课题。它是一项涉及环境化学、环境生态学和环境预防医学的多学科交叉的综合性研究项目。此项目科学意义重大,不仅是因为它与我国国民经济、生态环境和人体健康有着密切的关系,而且还因为它的研究将促进我国有关环境科学领域的基础和应用基础理论研究提高到一个新的水平。此外,它将为污染物的环境化学行为及生态效应的多学科,综合性研究积累方法学经验,从而为我国环保工作做出贡献。  相似文献   

6.
Environmental protection and sustainable development are getting increasing attention in the automobile industries. Environmental consciousness has increased, and sustainability has become an important requirement for the management of end-of-life vehicles (ELVs). The proper management of ELVs can bring improved sustainability performance for any society or organisation. There are several alternative options for ELVs management such as reuse, repair, reconditioning, remanufacturing and recycling. Environmental legislation is forcing original equipment manufacturers (OEMs) to manage their products at the end of their life cycle to reduce their potential environmental impact. An appropriate selection model for sustainable ELV management alternatives in the dynamic, competitive and regulatory environment can enable a firm to satisfy economic, environmental, social and technological requirements. This study proposes an integrated model to select the dimensions and criteria for evaluating sustainable alternatives for the proper management of ELVs. First, the Decision-Making Trial and Evaluation Laboratory (DEMATEL) method is used to select the most important dimensions and criteria for sustainable alternative selection. Next, a hierarchy has been constructed to develop a systematic technique to solve the alternatives selection problem. An analytic hierarchy process (AHP) and extent analysis method on the fuzzy AHP (FEAHP) model have been used based on the hierarchy to evaluate the most suitable alternatives from the sustainability point of view. The strength of the proposed model is that it compares the results of both methods, the imprecision of experts’ opinions is considered in the evaluation process and the model is easy to use.  相似文献   

7.
环境中植酸的分布、形态及界面反应行为   总被引:2,自引:0,他引:2  
肌-肌醇六磷酸(myo-inositol-1,2,3,4,5,6-hexakisphosphate,IHP,myo-IP6)简称植酸(Phytic acid或phytate),是大多数土壤中最为丰富的有机磷,它在环境中的界面反应影响着磷素的迁移、循环、转化、生物有效性以及环境效应.本文简要总结了环境中植酸的分布与形态,并综述了其界面反应,包括铁铝氧化物、粘土矿物、碳酸钙等对植酸的吸附解吸,多价阳离子与植酸的络合反应以及沉淀作用.土壤矿物对植酸的吸附影响其转化和生物有效性,矿物对植酸磷的吸附量一般远高于正磷酸盐.其中,弱晶质铁铝(氢)氧化物对植酸的吸附能力一般较晶形铁铝(氢)氧化物大很多.同时,分析了矿物类型、介质pH、温度、共存离子等环境条件对植酸界面反应的影响,植酸吸附对矿物表面电荷性质、颗粒大小和分散稳定性等的作用,以及植酸在金属污染土壤修复中的应用前景.最后讨论了环境中植酸的主要研究热点和方向.  相似文献   

8.
森林旅游开发中环境保护问题的博弈分析   总被引:5,自引:0,他引:5  
介绍了博弈论的基本内容,运用了博弈论的基本原理分析和认识森林旅游开发和周边地区生态环境保护之间存在的矛盾,阐述了博弈论的基本理论在森林旅游开发环保中的应用,分析指出应结合市场机制和政府政策改变博弈方的收益,使博弈达到有利于环境保护的纳什均衡,提高森林旅游开发中的环境保护效率,以及处理森林旅游开发中环境保护问题的有效决策.  相似文献   

9.
Increased awareness of the importance of environmental protection and the introduction of international standards like ISO 14001 stimulated development of environmental sustainability indicators as a means to measure systems environmental performance. Here, a thermodynamic approach, emergy analysis (Odum, 1988) was used to obtain sustainability indicators able to analyse and quantify the productive and ecological performance of four famous Italian wine productions: Chianti, Brunello di Montalcino, Nobile di Montepulciano, and Barbera d'hti. The application to agricultural production was motivated by the growing need for productive and environmentally sound development in modern agriculture, in which the resource base, the environment, is preserved. The choice of wines, more precisely, grape production, is due to their importance for Italian agriculture and the economy. All the wines demonstrated a good long-term environmental sustainability, especially in view of their high quality and in comparison with the average Italian wine production. Emergy analysis proved a powerful tool for assessing environmental performance of these systems, and its use could easily be extended to other wine productions to obtain a form of environmental performance classification of this product. Systematic use of emergy analysis to assess environmental performance of different processes and products, not necessarily in agriculture, could be useful for environmental certification.  相似文献   

10.
环境保护是我国的一项基本国策,退耕还林(草)是保护环境的有效措施.加强环境教育,完善环境法制,加强现代科技管理,发展生态经济,通过退耕还林(草)工程贯彻可持续发展战略,最终达到环境与经济、社会“共赢”的目的。  相似文献   

11.
Chromium toxicity and tolerance in plants   总被引:1,自引:0,他引:1  
Chromium (Cr) is the second most common metal contaminant in ground water, soil, and sediments due to its wide industrial application, hence posing a serious environmental concern. Among various valence states, Cr(III) and Cr(VI) are the most stable forms. Cr(VI) is the most persistent in the soil and is highly toxic for biota. Since Cr is a non-essential element for plants, there is no uptake mechanism; Cr is taken up along essential elements such as sulfate through sulfate transporters. Cr accumulation in plants causes high toxicity in terms of reduction in growth and biomass accumulation, and Cr induces structural alterations. Cr interferes with photosynthetic and respiration processes, and water and minerals uptake mechanism. Various enzymatic activities related to starch and nitrogen metabolism are decreased by Cr toxicity either by direct interference with the enzymes or through the production of reactive oxygen species. Cr causes oxidative damage by destruction of membrane lipids and DNA damage. Cr may even cause the death of plant species. Few plant species are able to accumulate high amount of Cr without being damaged. Such Cr-tolerant, hyperaccumulator plants are exploited for their bioremediation property. The present review discusses Cr availability in the environment, Cr transfer to biota, toxicity issues, effect on germination and plant growth, morphological and ultrastructural aberrations, biochemical and physiological alterations, effect on metabolic processes, Cr-induced alterations at the molecular level, Cr hyperaccumulation and Cr detoxification mechanism, and the role of arbuscular mycorrhizae in Cr toxicity, in plants.  相似文献   

12.
With the rise of environmentalism in China, great efforts have been devoted to environmental protection over the past several decades. Compared with urban environmental protection, rural environmental protection has not been attached enough importance in China due to the dual-track structure of socio-economic development. As a result, rural China is shouldering disproportionally heavy environmental burdens partly because of the differences and biases between urban and rural environmental protection seen in environmental policies, environmental rights and interests, environmental protection investment, and the environmental protection awareness of people. To eliminate the gap between rural and urban environmental protection, and achieve the goal of “balanced urban–rural environmental protection” (BUREP), government should consider mapping out proper policies and strategies. In this paper we put forward an innovative strategy of BUREP against the background of China’s urban-rural environmental protection. First, we review the current status of rural environmental protection status and its challenges compared with urban environmental protection in China. Secondly, we analyzed the main driving factors and reasons deeply, and then we put forward the BUREP strategy base on the unequal status between urban and rural environment. Finally, we proposed the framework of BUREP. This study may serve as a scientific reference regarding decision-making in coordinating urban and rural environmental protection and in constructing the new countryside of China.  相似文献   

13.
The current monitoring of the status of the environment and natural resources is a substantial basis for the implementation of a sustainable development as a model of the environmental policy in the terms of Agenda 21. For the 90s, in particular by the mandate of Rio 1992, both the international institutions (international level), e.g. the OECD, the United Nation Commission of Sustainable Development and the European Environmental Agency, and the environmental protection authorities of the different countries (national level) e.g. Germany, and of the federal states of Germany (regional level) are developing environmental indicator systems. In the context of the Local Agenda 21, indicators for the ecological, economic, social and institutional categories are set up on a communal level. In the environmental indicator systems different issues, e.g. climate change, ozone layer depletion, water quality and water resources, waste, toxic contamination, biodiversity, landscape protection, soil resources, forest resources, etc., are described. Concepts with driving forces, pressure, state, impact and/or response indicators are applied. The German Council of Environmental Advisors (SRU) requires that the selection and aggregation of indicators must be transparent and comprehensibly documented and that the chosen indicators must be oriented at political targets. The following article gives an overview of relevant actual environmental indicator systems, their concepts and structuring, and points to the further research and developmental requirements within this area.  相似文献   

14.
科学发展观是与时俱进,具有现代意义的.2000年开始的中国六大林业重点工程标志着全国生态环境保护和建设全面启动,是创建国家林业生态安全体系的航母.2000年以来,国家投资林业生态建设超过l000亿元,取得显著的生态效益.在全国生态环境中,其中有的项目或有的地方生态环境整体逐步转好,有希望全面转好.  相似文献   

15.
One important component in achieving an optimal compromise between mineral development and environmental conservation is to rank different geographical areas according to their priorities for development and conservation respectively. The latter is considered here.There are three main steps in assigning conservation priorities: (i) acquisition and assessment of information on the existing baseline environment and on potential impacts; (ii) assignment of values to the environmental components concerned and integration of these to yield overall values for alternative possible conservation targets; and (iii) incorporation of logistic considerations to determine the practical priorities for conservation.One particularly critical aspect of this process is the relative significance of different conservation criteria, specifically including the presence of rare species, high diversity, pristine condition and representativeness. These criteria all reflect the same underlying conservation values, but their relative significance varies from case to case. Their integration is based on professional judgement rather than any formal algorithm and explicit guidelines for such judgement are needed to promote consensus in the determination of conservation priorities.  相似文献   

16.
This article reviews the development of current environmental policies in China and the great progress made during 1979–2006. Applying lessons learned from industrialized countries to its own situation, China’s environmental policies have the following main features: (1) to explore command and control measures to their fullest extent, (2) to strive to raise funding for environmental protection, (3) to identify who should take accountability for environmental protection; (4) to encourage strategies of “combination of prevention and control” and “integrated utilization”, (5) to embrace openness in the field of environmental policy and early international cooperation. During the past 30 years, China’s environmental policies have evolved and deepened: status expanded the national basic policies of environmental protection by adding a sustainable development strategy, focus changed from pollution control to a combination of pollution control and ecological protection, method changed from end control to source control, scope changed form point source control to watershed and territory pollution control, and management style changed from primarily using executive power to using legal and economic measures. This article introduces how they are evaluated by the international community and provides the prospects of the policies.  相似文献   

17.
几种粘土矿物和粘粒土壤吸附净化磷素的性能和机理   总被引:42,自引:0,他引:42  
通过磷素等温吸附实验和磷素饱和吸附后磷素的形态变化,研究了高岭土、蒙脱土、凹凸棒土、蛭石和沸石5种粘土矿物,以及黄褐土和下蜀黄土2种粘粒土壤中磷素的吸附净化性能和机理,结果表明:除高岭土和沸石以外,其它类型的粘土矿物和粘粒土壤均有较好的磷素吸附净化能力,蛭石的磷素吸附净化能力最强,其次为黄褐土、凹凸棒土、蒙脱土和下蜀黄土.粘土矿物和粘粒土壤磷素的吸附能力与其化学组成关系密切,表现为全钙及水溶性钙、胶体氧化铁和胶体氧化铝含量愈多,其磷素的吸附量愈大,磷素的净化能力愈强.此外,粘土矿物和粘粒土壤磷素饱和吸附后的形态转化也受其化学组成的影响,表现为全钙及水溶性钙、胶体氧化铁和胶体氧化铝含量较高,其对应形成的磷酸钙盐、磷酸铁盐和磷酸铝盐含量较高,粘土矿物和粘粒土壤吸附磷素的机制主要为化学吸附,包括专性化学吸附和非专性化学吸附.  相似文献   

18.
The Chinese leadership in recent years has clearly indicated that priority will be given to the development of the western provinces. In view of its under-developed economy, the relative poor education of the population and the extensive mode of development, environmental pollution and ecological damage in western China are more serious than in the east. In China's industrialization process in the modern era, the blind imitation of the initial stage of industrialization in the advanced countries and the total rejection of traditional Chinese cultural values have been particularly striking. Hence, the western provinces should adopt a mode of sustainable development based on establishment of an ecological culture. Environmentalists in China would like to concentrate on reforming the modes of production and the people's lifestyles through changing their views and values. They perceive this as the major commitment for building an ecological culture and promoting sustainable development. But large-scale and concentrated damage to the environment are very often the result of neglect and mistakes by government authorities and corporations. Pessimists worry that this millennium will signal the terminal stage for natural values; but there may be an alternative: a millennium of coordinated development, respecting the environment and based on adoption of a new ecological culture.  相似文献   

19.
重金属在环境中的化学形态分析研究进展   总被引:17,自引:0,他引:17  
章骅  何品晶  吕凡  邵立明 《环境化学》2011,30(1):130-137
重金属在环境中的形态与迁移转化决定了其污染风险和生物有效性.本文从影响重金属形态的主要环境条件和结合物特性出发,分析了重金属在环境中与有机物、无机矿物质等的交互作用机理,对目前重金属形态分析的主要研究方法(化学提取、电化学、分子尺度仪器检测技术、模型计算等)展开综述与讨论.  相似文献   

20.
当今全球环保思潮的冲击和绿色消费的方兴未艾,企业如果沿袭传统的营销方式,必将被淘汰.企业要想生存发展,并在竞争中立于不败之地,必须适应新的形势,改弦易辙,实施绿色营销,以满足人们的无污染、无公害、延年益寿的需求.本文讨论了绿色营销的现状及其对企业发展的影响,并提出了实施绿色营销的战略对策.  相似文献   

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