基于GIS技术环境影响评价的研究进展及展望

环境影响评价是确保经济社会发展与环境保护相协调的重要环节，传统环境影响评价(EIA)有很人的局限性，地理信息系统(GIS)以其强大的图形与数据处理功能在EIA上的应用，显示了其巨大的优势，介绍了在其基础上提出的数据库、模型库、方法库与GIS相结合的环境影响评价信息系统结构框图，在国内外学对GIS在环境影响评价研究现状分析的基础上，又对GIS在EIA中的研究前景做了展望。     

Application of environmental management system — ISO 14001: 1996, in urban environment and municipalities

Application of environmental management system (EMS) in urban environment provides a city with orderliness, regularity, quietness and freshness environment. Besides, it contributes sustainable development and optimization in life level index of the city. If the whole urban districts design and establish an environmental management system ISO 14001, the development will be faster and more sustainable. Municipality of Tehran, District 22 has been found and started an activity under the command of Sterling Council of Iran Urbanization and Architecture in order to regenerate the urbanization concealed concepts and also to control and organize the excessive constructions in west and northwest of Tehran since 2000. As a result of human undergoing development activities, the process of urbanization during many years has caused various environmental impacts. Thus, decision makers and managers considered urban sustainable development as a main strategy. District-22, has taken the required steps in providing sustainable development, safety and health of the organization and citizens in the related district. Environmental policy and commitment of top management (Mayor of the District-22) are to keep environmental conservation, in a well organized manner. In this study, dominant environmental aspects, impacts and legal requirements of the related activities and services are identified. Subsequently, environmental objectives and targets and also environmental management programs have been determined. Besides, training, internal and external communication, operational control, emergency preparedness and responsibility, obligations to follow environmental rules and achieving certification of ISO 14001; 1996 standard are the most important highlights at this study. The planning process, establishing and the method of operation has also been studied.     

Managing vulnerability in Sydney: Planning or providence?

Sydney is the largest city in Oceania (the Australia — south Pacific region). During its existence of more than 200 years the city has suffered many emergencies and many psycho-social and media crises — but has escaped major disaster in the sense of deaths or economic loss. Does this indicate that disaster vulnerability has been managed well, or simply that Sydney has been fortunate? The evidence suggests that the natural environment is relatively benign. With some important exceptions, such as flooding, management has rested largely on emergency response, and on handling the residual risk through increasingly sophisticated loss redistribution mechanisms. For the more obvious “natural” hazards this approach has worked so far. But the approach appears to be incapable of dealing with many of the more insidious slow-onset hazards such as environmental degradation and social inequality. Unfortunately these are among the constituent issues of sustainability.     

Environmental impact assessment in Southeast Asia: fact and fiction?

Despite the early introduction of mandatory environmental impact assessment (EIA) in the planning systems of many countries in the Southeast Asia region successes in protecting the natural environment have been limited. Is this the failure of the EIA itself due to the use of an inappropriate western based model or is it more related to a lack of political will and implementation weakness? The facts indicate that the EIA is often used as a means to an end rather than as a beneficial planning tool in itself. The fiction relates to the impressive array of legislation and sophisticated processes on paper that are often ineffective in practice. This paper attempts to highlight the problem areas and suggests other techniques and strategies that may be introduced to solve them.     

中资企业拓展澳大利亚矿业市场的思考

澳大利亚是全球矿业市场最发达的国家之一,被称为"坐在矿车上的国家",是中资企业从2000年左右以来海外矿业投资的主要国家之一。投资过程中有很多成功经验,也有不少失败教训。受经济全球化进程的不断加快、环境保护越来越严格、资源供需矛盾加剧等多种因素影响,澳大利亚矿业市场不断变化,澳大利亚国家和当地政策、矿政管理政策日趋严格,对中资企业运行项目及进一步拓宽澳大利亚矿业市场形成了较大的压力。通过总结多年从事国际矿业市场经营管理的经验,搜集大量相关资料,以问题为导向,深入分析了澳大利亚矿业市场概况,探讨了中资企业在澳大利亚投资状况及存在的问题,对于中资企业拓展澳大利亚市场提出了思考与建议,供国家相关矿业管理部门和相关中资企业决策参考。     

EIAs,power and political ecology: Situating resource struggles and the techno-politics of small-scale mining

Academics across disciplines are increasingly employing political ecology lenses to unpack conflicts related to resource extraction. Yet, an area that remains under-researched and under-theorised is how environmental impact assessments (EIAs) are embedded in politics and imagined as sites of power relations. Drawing on long-term fieldwork in Zimbabwe engaging small-scale gold miners, EIA consultants and government officials, this article examines the changing social significance of EIAs during and after a nationwide police operation that was framed by authorities as targeting non-compliance with environmental policy, illegal mining and illicit trading. Among other articulations of dissent, small-scale miners associations protested that EIA enforcement rhetoric served unjustly as a rationale for halting livelihoods and extracting rent from miners in times of economic difficulty. The article challenges EIA narratives that focus narrowly on risk management or governance failure, exploring technocratic obfuscations and how enforcement rhetoric was perceived in relation to criminalisation and coercion, expert environmental consultancy cultures and adapted legacies of colonial practice in contemporary dynamics of rule. Heavy-handed policing under the banner of enforcing order impinged on livelihoods and had counterproductive effects in addressing environmental problems, while complying with expensive EIA report-producing requirements was far beyond the means of most small-scale miners. The article rethinks how technical EIA rhetoric becomes entangled in spaces of contentious politics, the perils of looking only at particular scales of relations to the exclusion of others, and what it means to re-engage Donald Moore’s notion of “shifting alignments and contingent constellations of power.” Suggesting future directions in political ecology theorising in relation to extractive sectors, it calls for careful attention to the situated politics of EIAs – situated in time and space, amid varying relations of power – and how multiple hegemonic practices are conceptualised and challenged.     

Environmental impact assessment using rapid impact assessment matrix (RIAM) for Russeifa landfill, Jordan

An environmental impact assessment (EIA) study for the solid waste landfill was prepared for the Russeifa area, northeast Jordan. As landfill was not subjected to sophisticated EIA, serious environmental problems are still occurring, such as groundwater contamination and air pollution. Three alternatives were proposed to rehabilitate the landfill: upgrading the existing landfill, construction of a biogas plant and its relocation. The EIA for the three options was carried out using the rapid impact assessment matrix (RIAM), it applies a consistent and recordable assessment of the importance of the different components. The scoping components included in the RIAM were: physical/chemical, biological/ecological, social/cultural and economic/operational components. The RIAM analysis showed that the least negative impacts would be to relocate to a better-managed sanitary landfill. The most serious negative impacts were the contamination of groundwater, air pollution and public health. These impacts can be mitigated through a comprehensive environmental management plan for the Russeifa landfill to address the deterioration of environmental components in the vicinity of landfill.     

Salt efflorescences and Saline lakes; a distributional analysis

Salt lakes and salt efflorescences are a common phenomenon of many arid zones. Rocks weather rapidly in the presence of saline materials, and the rate of such weathering may be controlled by the mineralogy of the salts concerned. The distribution of the main salt types is presented for the polar deserts of Antarctica and the Arctic, and for the warmer deserts of Australia, North America, South America, Africa and Asia. There is great variety in the types of salts encountered and marked differences between different regions, with, for example, Australia being dominated by sodium chloride (halite) and southern Canada by the sulphates of magnesium and sodium. The possible causes of such variability and its pattern are analysed in terms of the nature of inputs into drainage basins and the various changes that take place within basins. Finally, it is apparent that in those situations when weathering has been observed as an active process there are a great many different salts involved.     

Using a mathematical model to assess the sustainability of proposed bauxite mining in Andhra Pradesh, India from a quantitative-based environmental impact assessment

The theory and practice of sustainability involves the understanding and management of the coupled relationship between the environment and humans. This relationship is very evident in respect to mining where the impacts of operations, both positive and negative, are environmental and socioeconomic in nature. In recent years, evaluating the sustainability of a mining operation has grown within the literature due to the impacts that mining has upon a local community. However, the literature has been often characterised by a variety of case study-specific approaches to define and evaluate the sustainability of mining operations. This is due to the fundamental problem of defining what is sustainability. The paper applies, based on our previous research, a mathematical model of sustainability to the environmental impact assessment (EIA) of a proposed bauxite mining project in the Andhra Pradesh province, India. The model??s application to the impact assessment, which used the rapid impact assessment matrix, was undertaken for the purpose of determining the level and nature of sustainability (if appropriate) of the proposed project. The results indicated that the project was considered as unsustainable in its current form, based on an obtained E value of 0.249 and an H _NI value of 0.500. The results suggested that the project would greatly benefit from an environmental management plan in order to mitigate the extensive negative environmental and social impacts of the project. The results also indicated the potential of the model in assisting in the resolution of questions of the sustainability of local projects, which are assessed through quantitative-based EIA.     

Resolving the landfill siting impasse: modelling technocratic and indigenous perspectives using GIS multicriteria approach

Increase in waste generation calls for an effective waste management as this has become a necessity for environmental sustainability. Several methods are adopted in managing waste, which include waste reduction, reuse, thermal treatment, recycling and landfilling. The landfill method is recognised as the most used of all the waste management methods in developing countries such as Ghana. However, the selection of a suitable landfill site is very difficult and tedious. This is because it involves a consideration of many factors such as environmental, topographic, economic, socio-cultural and civil engineering. This research sought to identify a suitable landfill site by applying GIS multicriteria and weighted overlay approach in the Bongo District of Northern Ghana. The analysis relied on criteria and weights provided by the technocrats and the indigenes in the district as a way of demonstrating how landfill siting impasse can be resolved by incorporating the various stakeholders. The results obtained provided clear areas for landfill sites in the study area from the technocratic and the indigenous perspectives. However, the technocratic perspective failed to include an important cultural criterion, sacred groves, as a factor. The indigenous perspective also compromised on the factor related to nearness to residential areas, and is equally not sufficient on its own. The optimal landfill sites, which meets the expectations of both the technocrats and indigenes, was identified. This perspective has produced technically favourable and socio-culturally acceptable landfill site. However, it is recommended an environmental impact assessment (EIA) be conducted to identify the full environmental and social cost of the site. It is concluded that in landfill site selection much attention be given to cultural factors in the same way as the technical factors.     

论铀成矿过程中的气还原作用

热力学计算及成矿实验结果表明Ｈ２，ＣＨ４，ＣＯ和Ｈ２Ｓ等气体能作为还原剂使ＵＯ还原成ＵＯ２（晶质铀矿）。尽管在许多铀矿床中存在的黄铁矿能作为还原剂，但上述还原性气体是比黄铁矿更有效的还原剂。一些矿床的钻探资料及流体包裹体中气体含量测定结果证实了上述气体的存在。文中提出了气还原作用这一概念，它被认为是澳大利亚、加拿大和中国等地不整合脉型铀矿床及其他一些脉型铀矿床成矿富集的重要机制。     

Closing the groundwater protection implementation gap

Complacency about drinking water security was the order of the day in the Province of Ontario, Canada, until the water supply of the community of Walkerton was contaminated in May 2000. Seven people died and 2300 became seriously ill when runoff from a nearby livestock farm contaminated an improperly constructed municipal well. The Walkerton tragedy, and similar incidents that have occurred in Ontario and elsewhere in North America and Europe during past decades, reflect serious implementation gaps in groundwater protection. In Ontario, many of these implementation gaps relate to shortfalls in local and provincial management capacity. Some local organizations are well served with skilled staff, leaders committed to groundwater protection, effective policies and plans, and sound databases. Unfortunately, many are not, particularly smaller communities in rural areas. Existing implementation gaps were exacerbated in the mid-1990s when the provincial government increased the responsibilities of local agencies while at the same time cutting funding and staffing levels in its own Ministry of the Environment. Recent local and provincial initiatives are beginning to close some implementation gaps. However, key challenges remain. This paper explores factors that shape local capacity for groundwater protection, and highlights ways in which capacity-related implementation gaps may be addressed. The focus is experiences in Ontario, Canada. However, lessons learned are broadly transferable. Chief among these are the importance of financial and technical support for delineation of source water protection zones; legal requirements for source water protection; senior government commitment and leadership; and enhanced local awareness of, and participation in, groundwater management.     

Regional-Scale Differences in Eutrophication Effects on Eelgrass-Associated (<Emphasis Type="Italic">Zostera marina</Emphasis>) Macrofauna

Eutrophication has caused strong shifts from perennial seagrass to opportunistic macroalgae and phytoplankton in many coastal ecosystems worldwide, yet responses of the primary-producer assemblage can vary with regional environmental and nutrient-loading conditions. The wider consequences of this variable primary-producer response on the associated animal community are little known. We used large-scale field surveys across 12 study sites with low or high eutrophication levels in two geographic provinces in Atlantic Canada to examine region-specific responses of macrofauna associated with eelgrass beds. In both regions, abundances of all groups increased with eutrophication, but species richness of mobile fishes and invertebrates decreased. Generally, filter feeders, epibenthic detritivores and some herbivores increased, while more hypoxia sensitive species declined. Small fishes and invertebrate predators increased with eutrophication mirrored by decreases in their prey. Despite similar general trends, our results show distinct shifts in species composition in each geographic region associated with differences in food availability and predation refuge offered by phytoplankton and opportunistic epiphytic or benthic macroalgae as well as tolerance to an increasingly hostile physico-chemical environment. So far, the continued persistence of eelgrass beds at our “highly” eutrophied sites indicates intermediate eutrophication levels with short-term benefits for some species. However, the loss of sensitive species and decrease in species richness highlight that eutrophication has already changed seagrass ecosystems in Atlantic Canada. Our work suggests that mitigating these changes will require regional-scale management.     

大型X射线医疗设备的环评分析

通过一个环评实例阐述大型X射线医疗设备销售项目环境影响评价的基本分析要点,给出了正常工况下和事故工况下环境影响分析过程和剂量估算方法。大型X射线医疗设备销售的环境影响评价要点是：根据项目实际情况,确定污染因子和管理限值,采用类比、现场实测加计算的评价、预测方法,区分正常工况与事故工况,对污染进行分析、监测、计算和预测。     

The weight of interaction of mining activities: groundwater in environmental impact assessment using fuzzy analytical hierarchy process (FAHP)

Mining operations threaten the environment if the monitoring and controlling steps are not implemented completely. One of the important methods for control of the environmental situation in the mining district is the environmental impact assessment (EIA) method, which is performed by matrix calculations. In this method, the environmental problem is broken into several parts as the Impacting Factors that is evaluated their influences on Environmental Components by the mathematical calculations. For these calculations, the weight of each Impacting Factor must be evaluated by using comprehensive scenarios that are involved all the predicable environmental issues. Based on literature, it has not been organized a comprehensive scenario about “Interference with groundwater” as an Impacting Factor yet. By consideration of the importance degree of groundwater and its role in supply the drinking water resource, it is felt to demand for an organization a developed scenario in relation with groundwater pollution in mining district. Therefore, the main aim of this study is developing a new scenario to weight the “Interference with groundwater” in EIA matrix. For this purpose, the 8 criteria and 63 subcriteria are defined and their weights are determined using the Fuzzy Analytic Hierarchy Process. The proposed scenario can be successfully evaluated the weight of “Interference with groundwater” Impacting Factor more exactly than the former one, because it considers 8 criteria and 63 subcriteria instead of 2 criteria in the former scenario. Finally, the application of proposed scenario is illustrated by an imaginary ideal case study. Such studies can be used by mining engineers and planners to design an appropriate environmental plan for the mining districts.     

Economic and environmental risks and uncertainty in frontier resource development: Case study of the Athabasca oil sands

Resource extraction projects in frontier regions may give rise to many problems concerning their economic viability and also their impact on the environment. The mining and processing activity in the oil sands of Alberta is a case in point. This area comprises one of the largest reservoirs of oil in the world. Long-run supply considerations in both Canada and the rest of the world should lead to further development of these oil sands. However, a review of the first two projects reveals considerable economic and environmental uncertainty. The economics of the project currently under way are questionable mainly because of inflated costs on one hand and uncertain future oil prices on the other. Controversy has developed over aspects of the land, water, and atmospheric environmental impacts of the projects partly because development proceeded before extensive studies were done. All these concerns have led to uncertainty concerning future projects and also the price the people of Alberta and Canada will pay, in economic and environmental terms, for development in this area.     

Rodinia connections between Australia and Laurentia: no SWEAT,no AUSWUS?

Although geological comparisons between Australia and North America have provided a basis for various Neoproterozoic Rodinia reconstructions, quantitative support from precisely dated palaeomagnetic poles has so far been lacking. We report U–Pb ages and palaeomagnetic results for two suites of mafic sills within the intracratonic Bangemall Basin of Western Australia, one of which is dated at 1070 ± 6 Ma and carries a high‐stability palaeomagnetic remanence. Comparison of the Bangemall palaeopole with Laurentian data suggests that previous reconstructions of eastern Australia against either western Canada (SWEAT) or the western United States (AUSWUS) are not viable at 1070 Ma. This implies that the Pacific Ocean did not form by separation of Australia–Antarctica from Laurentia, and that up to 10 000 km of late Neoproterozoic passive margins need to be matched with other continental blocks within any proposed Rodinia supercontinent. Our results permit a reconstruction (AUSMEX) that closely aligns late Mesoproterozoic orogenic belts in north‐east Australia and southernmost Laurentia.     

Aspects of Proterozoic stromatolite biostratigraphy in Western Australia

Stromatolites are abundant at many horizons in the Proterozoic of Western Australia. Recent advances in knowledge of Proterozoic stratigraphy of the state have provided a more detailed framework for interpreting the stromatolite data than has been available previously. In the 1.7 Ga Earaheedy Group of the Nabberu Basin a characteristic stromatolite assemblage occurs, and within the basin a biostratigraphic succession can be recognized. The assemblage contains several new forms which belong to new groups. The need to erect new groups for these early Proterozoic stromatolites is in agreement with recent studies in Canada, northern Europe and South Africa, and suggests that the problem of ‘younger’ or late Proterozoic stromatolite groups in early Proterozoic rocks mentioned by previous workers is a result of a lack of rigour in defining taxa. Examination of type material is necessary to determine how closely the Earaheedy forms resemble those described from these other regions.In Western Australia some stromatolite forms have a restricted vertical range and similar taxa occur in beds of approximately the same age in widely-separated areas: e.g. Kimberley Group and Earaheedy Group; Scorpion Group and Limbunya, Birrindudu, McArthur, Mt. Rigg and Mt. Albert Groups and Bungle Bungle Dolomite; Tolmer and Bullita Groups; Moora and Bangemall Groups; Kai Ki Beds, Louisa Downs, Mount House and Albert Edward Groups.Stromatolite diversity shows a decline in the number of taxa at about 1.1. Ga in the Bangemall Group. More data are required to determine whether this decline is universal or specific to the Bangemall Group. This study indicates that a stromatolite biostratigraphy for Western Australia is feasible and is consistent with data from other parts of Australia. Thus emphasis on correlation should be placed on the stromatolite form rather than the group, and intercontinental correlations should be attempted only when local biostratigraphic schemes have been firmly established.     

Ontario’s Environmental Farm Plan: Evaluation and research agenda

This paper analyses the operation of the Environmental Farm Plan (EFP) scheme in Ontario, Canada, a voluntary agri-environment scheme established in 1993. Previously unpublished data and interviews with farmers, leaders of farmers’ organisations and government officials are used to detail participation rates, geographical spread and method of operation. Largely developed by farmers’ organisations, the scheme has focused on soil management, water quality and storage/disposal of agricultural wastes. The environmental actions associated with these activities are discussed, revealing both successes and limitations. Distinctions are drawn with agri-environmental schemes in the European Union, and a broader context for the EFP is provided with respect to the proposed post-productivist transition of agri-food systems and the need to examine the way these systems are regulated. A need for further systematic research is proposed, specifically with respect to barriers to participation, the voluntary nature of the scheme, financial incentives and the resultant environmental impacts.     

Vernacular heritage and evolving environmental policy in Australia: Lessons from the Murray–Darling Outreach Project

The interface between environmentalism and neoliberalism in industrialised nations is dynamic and evolving with each of these significant socio-political movements exerting influence on the other. In the context of Australian environmental policy, ideas of heritage, sense of place and belonging are increasingly invoked to support the current policy emphasis on the role of regional communities for realising goals for land and water conservation and environmental restoration. To explore the broader meaning and consequences of these developments, we focus on the manner in which ideas of heritage are employed and evoked within the Murray–Darling Outreach Project, a collaboration between the Murray–Darling Basin Commission, a key natural resource management agency, and the National Museum of Australia. The Murray–Darling Outreach Project has the aim of increasing community involvement in local environmental issues by promoting ideas of vernacular heritage.