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生态旅游是当今世界旅游业发展的热点,也是21世纪一个极为重要的旅游经济增长点,青海旅游要实现经济与社会、人与自然的协调发展,就必须把旅游开发与生态建设和环境保护有机结合起来,大力推进生态旅游发展。生态旅游蕴涵着丰富的可持续发展思想,是实现旅游可持续发展的有效途径,发展生态旅游是青海旅游实现可持续发展的必然选择。 相似文献
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本文论述了水土水流失对生态环境的影响和对农业生产的危害,阐明增强环境意识,加强水土保持时防止生态恶化,是我国振兴农业的重要性与紧迫性的任务。 相似文献
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<正>自迈入工业社会以来,通过工业化的生产和科学技术的不断发展,人类创造了巨大的物质财富并积淀了丰厚的精神财富,但随工业文明出现的环境污染、生态破坏和资源短缺以及与之相适应的管理模式引发 相似文献
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文章从科学制定园林绿化、坚持生态优先原则、降低园林绿化成本方面着手,阐述了生态节约型园林绿化体系的构建。 相似文献
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BURGER J 《Environmental management》2000,26(5):469-478
With the ending of the Cold War, several federal agencies are reclaiming land through remediation and restoration and are
considering potential future land uses that are compatible with current uses and local needs. Some sites are sufficiently
contaminated that it is likely that the responsible federal agency will retain control over the land for the foreseeable future,
providing them with a stewardship mission. This is particularly true of some of the larger Department of Energy (DOE) facilities
contaminated during the production of nuclear weapons. The use of the term “restoration” is explored in this paper because
the word means different things to the public, ecologists, and environmental managers responsible for contaminated sites,
such as Superfund sites and the DOE facilities. While environmental restoration usually refers to remediation and removal
of hazardous wastes, ecological restoration refers to the broader process of repairing damaged ecosystems and enhancing their
productivity and/or biodiversity. The goals of the two types of restoration can be melded by considering environmental restoration
as a special case of ecological restoration, one that involves risk reduction from hazardous wastes, and by broadening environmental
restoration to include a more extensive problem-formulation phase (both temporal and spatial), which includes the goal of
reestablishing a functioning ecosystem after remediation. Further, evaluating options for the desired post remediation result
will inform managers and policy-makers concerning the feasibility and efficacy of environmental restoration itself. 相似文献
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根据目前青海省生态监测现状,深入分析了生态监测存在的问题,首次提出了由青海省生态环境监测中心和重点区域生态监测站点为主构建青海省生态监测体系的构想。 相似文献
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国内外生态功能区划理论研究 总被引:1,自引:0,他引:1
《资源开发与市场》2016,(2)
生态功能区划是生态系统科学管理与持续利用的基础,通过区划能加深对生态系统的了解,有效减少管理的复杂性。对区域生态功能进行甄别,合理划分生态功能区,并按不同功能合理管理资源,已成为协调区域经济发展与生态保护的重要途径。通过分析生态功能区划的概念、内涵和方法的发展,比较国内外分区框架体系的差异和应用,对生态功能区划的未来发展进行初步探讨,提出今后需关注的三个方面:1系统开展流域水生态功能区划研究,促进水环境问题由水质管理向水生态管理转变;2加深对生态功能区划应用方面的研究;3对生态功能区划的使用者或潜在使用者进行额外教育,以一种高效的方法把区划结果用于生态系统管理、保护规划。 相似文献
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Governance of water supply systems in the Palestinian Territories: A data envelopment analysis approach to the management of water resources 总被引:2,自引:0,他引:2
This study demonstrates that data envelopment analysis (DEA) can be a useful tool to assess the relative efficiencies of water supply systems and to establish benchmarks with which to measure progress in the management of water resources. Frontier efficiency models measure the efficiency of water use in the Palestinian Territories (West Bank and the Gaza Strip). At the municipality level, sufficient data for the years 1999-2002 were available to estimate efficiency and stability scores. The Gaza Strip efficiency scores were considerably lower than those of the West Bank. Water losses were the major source of the inefficiency as indicated by the large slacks of this input. The relative sizes of the municipalities affect efficiency scores little. Palestinian policy makers should focus on rebuilding the infrastructure of the water networks, beginning with the most DEA inefficient municipalities in order to minimize water losses. 相似文献
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Burger J Leschine TM Greenberg M Karr JR Gochfeld M Powers CW 《Environmental management》2003,31(2):0157-0167
More than 50 years of research, development, manufacture, and testing of nuclear weapons at Department of Energy (DOE) sites
has left a legacy of on-site contamination that often spreads to surrounding areas. Despite substantial cleanup budgets in
the last decade, the DOE's top-to-bottom review team concluded that relatively little actual cleanup has been accomplished,
although milestones have been met and work packages completed. Rather than solely use regulatory constraints to direct cleanup,
many people have suggested that human and ecological health should guide long-term stewardship goals of DOE-managed sites.
The main questions are how ecological and human health considerations should be applied in deciding the extent of cleanup
that contaminated sites should receive and how near-term and longer run considerations of costs and benefits should be balanced
as cleanup decisions are made. One effort to protect ecological integrity is the designation of the largest sites as National
Environmental Research Parks (NERPs). Recently, the Competitive Enterprise Institute (CEI) suggested isolating and conserving
DOE sites as a policy priority because of their rich ecological diversity. A more effective long-term stewardship approach
for former nuclear weapons complex sites may emerge if the guiding principles are to (1) reduce risks to human and ecological
health, (2) protect cultural traditions, and (3) lower short- and long-term cleanup and remediation costs. A “net benefits”
perspective that takes both near- and longer-term costs and consequences into account can help illuminate the trade-offs between
expensive cleanup in the near term and the need to assure long-term protection of human health, cultural values, and high
levels of biodiversity and ecological integrity that currently exist at many DOE sites. 相似文献
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A current approach to the process of siting hazardous waste facilities is to seek 'willing host' communities that will not oppose but rather voluntarily accept risky facilities. Voluntary siting strategies have been put forward as the solution to hazardous waste location problems, and there have indeed been a small number of siting successes achieved voluntarily. This paper argues that, despite claims about voluntary processes, there are indications that few 'willing host' sites will be found in response to the many that are proposed. Instead, it suggests that the limited success of siting attempts, voluntary or otherwise, signals a new phase in hazardous waste management, a shift in focus from where to site a facility to whether a good is worth producing at all if its wastes are not siteable. A characteristic of this phase is the growing influence that the disposal potential of the generated waste can have on future management decisions to produce a good. In practice, siting failure may be one of the critical turning points on the road to sustainable production. It can accomplish what technology and environmental assessments have generally been unable to do: foresee the sustainability of a good. In this way, siteability can be seen as one indicator of sustainable production. A good can be considered sustainable if the wastes associated with its production are siteable. 相似文献
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2009年2月13日,全省环境保护工作会议在西宁举行,省环境保护局党组书记、局长赵浩明同志作了工作报告,现将全文刊载,供参考。 相似文献
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Serveiss VB 《Environmental management》2002,29(2):145-154
Considerable progress in addressing point source (end of pipe) pollution problems has been made, but it is now recognized
that further substantial environmental improvements depend on controlling nonpoint source pollution. A watershed approach
is being used more frequently to address these problems because traditional regulatory approaches do not focus on nonpoint
sources. The watershed approach is organized around the guiding principles of partnerships, geographic focus, and management
based on sound science and data. This helps to focus efforts on the highest priority problems within hydrologically-defined
geographic areas. Ecological risk assessment is a process to collect, organize, analyze, and present scientific information
to improve decision making. The U.S. Environmental Protection Agency (EPA) sponsored three watershed assessments and found
that integrating the watershed approach with ecological risk assessment increases the use of environmental monitoring and
assessment data in decision making. This paper describes the basics of the watershed approach, the ecological risk assessment
process, and how these two frameworks can be integrated. The three major principles of watershed ecological risk assessment
found to be most useful for increasing the use of science in decision making are (1) using assessment endpoints and conceptual
models, (2) holding regular interactions between scientists and managers, and (3) developing a focus for multiple stressor
analysis. Examples are provided illustrating how these principles were implemented in these assessments. 相似文献
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Long Zhou Thomas Woodfin Tian Chen Kun Song 《Journal of Environmental Planning and Management》2018,61(3):430-450
A city's spatial footprint is covered by extensive impervious building roofs and paved surfaces, which contribute to greater storm-water runoff, more surface pollutants, and less carbon sequestration, hence, worse ecosystem services. This research conducts an empirical study on the ecological and economic impacts of a citywide adoption of green roofs and permeable pavements in Corvallis, OR. The effects on ecosystem services of using green roofs and pervious pavements for a low impact development are modelled using Integrated Value of Ecosystem Services Trade-offs and compared to those from the City's current conventional development without green roofs and pervious pavements. The differences are analysed for ecological impact by storm-water yield, storm-water purification, and carbon sequestration and economic impact by a cost-benefit comparison. The results indicate that low impact development, especially intensive green roofs on commercial/industrial buildings and permeable pavements for parking lots, plays a significant role, even with a higher initial implementation cost, for long-term urban sustainability. 相似文献
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淮南地处华东腹地,矿产资源丰富,矿区开采强度大,生态环境影响突出。调查生态环境现状,评价矿产资源开发与生产活动的生态环境影响,研究宏观调控对策,具有重大意义。 相似文献