Operationalizing urban resilience through a framework for adaptive co-management and design: Five experiments in urban planning practice and policy

The emergent discourse on social-ecological resilience can be understood as a response to the rapid pace of change and severe challenges facing urban areas. This paper reports on one strand of research being carried out as part of the EU FP7 TURAS project (Transitioning to Urban Resilience and Sustainability) that aims to gain insight into the implications of social-ecological resilience thinking on urban planning practice and policy by presenting a unique, trans-disciplinary perspective that has been developed collaboratively between academic, local government and SME partners. A framework for adaptive co-management and design is introduced as a basis for the operationalisation of urban resilience, highlighting the need to actively solve problems collaboratively by exercising imagination and creativity, and presenting a new and potentially fertile source for innovation. Five experiments exploring urban planning practices relating to the framework are put forward as examples of urban resilience in practice: an online crowd-sourcing application for mapping underused spaces; an interactive timeline tool for identifying drivers of change over time; a guidance and signposting tool to help community projects overcome resource barriers; an epistemic network of citizens that exchanges knowledge and resources relating to underused spaces; and an online portal that provides visibility for community groups or projects, and facilitates horizontal networking. The paper describes each experiment, sets out the aims and theoretical contexts, records any initial findings, and reflects on the potential and limitations. Initial findings are discussed relating to the challenges of crowd-sourcing spatial or historical data, and the resource commitment required for the emerging practices. It is observed that the experiments attempt to address fundamental issues in urban planning practice and policy, and involve established and familiar activities. The paper concludes that the research provides insight into what urban resilience might mean in practice and that each experiment has the potential to make a tangible contribution to the transition to urban resilience and sustainability.     

Technology,managerial, and policy initiatives for improving environmental performance in small-scale gold mining industry

This paper reviews a series of strategies for improving environmental performance in the small-scale gold mining industry. Although conditions vary regionally, few regulations and policies exist specifically for small-scale gold mining activity. Furthermore, because environmental awareness is low in most developing countries, sites typically feature rudimentary technologies and poor management practices. A combination of policy-, managerial- and technology-related initiatives is needed to facilitate environmental improvement in the industry. Following a broad overview of these initiatives, a recommended strategy is put forth for governments keen on improving the environmental conditions of resident small-scale gold mines.     

Private micro-hydro power and associated investments in Nepal: the Barpak village case and broader issues

This article examines a number of issues connected with the development of small-scale hydroelectric power and related investments in Nepal. The micro-hydro investment scheme in Barpak village serves as a case study, and the article also presents a number of related issues discussed against the background of the evolution of micro-hydro power in Nepal. The article outlines the success of micro-hydro development, modest in relation to its enormous potential, the realization of which depends on whether a number of challenges and constraints can be overcome. The article closes with suggestions on implementing sustainable micro-hydro development in rural areas, based on the Barpak experience and the authors' other recent studies of rural energy issues in Nepal.     

The common property resource problem and the fisheries of Barbados and Jamaica

Common property resources (CPR) tend to be particularly susceptible to depletion and degredation. This creates problems for sustainable development and for resource stewardship in general since many of the key global resources are common property. The article explores the different definitions of CPR and the traps associated with the harvesting of CPR without understanding the social, economic, and environmental costs related to their exploitation. The commons problem may be approached in terms of a private property solution, the allocation of individual quotas to fishermen, or a communal property solution in which communities of fishermen basically manage their own fisheries. The offshore fishery of Barbados lends itself to the private property solution, and the inshore fishery of Jamaica, to the communal property solution.Drawing from case studies of Jamaica and Barbados fisheries, four principles of CPR use are proposed: (a) the solution of the CPR problem starts with the control of access to the resource, (b) increasing production from a CPR depends on the conservation of the resource base, (c) the sustainable utilization of a CPR is closely connected to the use of technology appropriate for the harvest, and (d) local-level management improves prospects for the sustainable use of a CPR. The case studies illustrate that there may be local, national, and international levels of interest over the resource. Hence, the successful management of such resources as Barbados and Jamaica fisheries requires that conflicting demands for the resources be taken into account, perhaps using a cooperative management approach.     

应用PSB处理乳品厂废水的试验研究

采用炭渣填料固定PSB混合菌膜技术,对乳品厂废水处理进行试验研究?阐述了工艺流程?工艺参数及效果分析?结果表明,出水各项指标均达到排放标准?CODCr,BOD5,SS,S2-,油类去除率分别为97%,98%,96%,86%,88%?      

Water scarcity and rioting: Disaggregated evidence from Sub-Saharan Africa

It is often purported that unusually dry weather conditions provoke small-scale social conflict—riots—by intensifying the competition for water. The present paper explores this hypothesis, using data from Sub-Saharan Africa. We rely on monthly data at the cell level (0.5×0.5 degrees), an approach that is tailored to the short-lived and local nature of the phenomenon. Using a drought index to proxy for weather shocks, we find that a one-standard-deviation fall in the index (signaling drier conditions) raises the likelihood of riots in a given cell and month by 8.3%. We further observe that the effect of unusually dry weather conditions is substantially larger in cells with a lower availability of water resources (such as rivers and lakes), a finding that supports the significance of the competition-for-water mechanism.     

Conservation perspectives of small-scale private forest owners in Europe: A systematic review

Private forest owners are the main forest ownership group within Europe, and important conservation values have been found on their land. Yet, small plot sizes, societal heterogeneity, and structural changes impede developing and implementing effective conservation programs in private forests. We present a systematic literature review focusing on small-scale private forest owners and their perspectives on nature conservation by synthesizing research approaches, social-ecological drivers, and policy recommendations. Conservation perspectives were positively related to female gender, higher levels of education, formalized forest management, an active relation to the forest, and ecological values of the property. In contrast, high age, rural orientation, economic forest management factors, large parcel size, and economic and sentimental property values negatively influenced conservation perspectives. Applying a natural resource conflict management framework, we synthesized recommendations covering three dimensions: substance, procedure, relationship. Considering perspectives of small-scale private forest owners in current forestry decision-making has great potential to strengthen sustainable forest management that integrates nature conservation and resource use.Supplementary InformationThe online version contains supplementary material available at 10.1007/s13280-021-01615-w.     

Evaluation of municipal wastewater treatment plants with different technologies at Las Rozas, Madrid (Spain)

Eight small-scale municipal wastewater treatment plants were evaluated over a period of 19 months in the suburb of Las Rozas in Madrid (Spain). Four plants used compact extended aeration, two used conventional activated sludge, two used conventional extended aeration, one used a rotary biodisc reactor and the other used a peat bed reactor. The best results were obtained from the plants that used conventional technologies and the biodisc. Conventional activated sludge and extended aeration had higher removal efficiencies for ammonia, TSS, COD and BOD(5) and produced good quality final effluents for final disposal in accordance with the discharge standard. Empirical equations that correlated the concentration of dissolved oxygen in the effluents with the efficiencies of TSS, ammonia, COD and BOD(5) removals for all plants evaluated were obtained. The performance of the plants using compact extended aeration was affected more than those using conventional technologies or rotary biodisc when the capacity exceeded that of its initial design.     

小型焚烧设施烟气中二噁英类的排放和控制

对中国典型的小型焚烧设施现状和二噁英类排放进行了初步调查研究,未经处理的小型垃圾焚烧设施烟气中二噁英类毒性当量(TEQ)大于6 ng/m3,小型火化机烟气中二噁英类TEQ大于5 ng/m3.设计并检验了布袋除尘器和活性炭滤布的二噁英类去除效果.仅使用布袋除尘器二噁英类去除率不高,布袋除尘器和活性炭滤布联用可以有效去除飞灰和气相中的二噁英类,去除率达到90%左右,可达到《生活垃圾焚烧污染控制标准》(GB 18485-2001)二噁英类排放标准.     

Monitoring in adaptive co-management: Toward a learning based approach

The recognition of complexity and uncertainty in natural resource management has lead to the development of a wealth of conceptual frameworks aimed at integrated assessment and complex systems monitoring. Relatively less attention has however been given to methodological approaches that might facilitate learning as part of the monitoring process. This paper reviews the monitoring literature relevant to adaptive co-management, with a focus on the synergies between existing monitoring frameworks, collaborative monitoring approaches and social learning. The paper discusses the role of monitoring in environmental management in general, and the challenges posed by scale and complexity when monitoring in adaptive co-management. Existing conceptual frameworks for monitoring relevant to adaptive co-management are reviewed, as are lessons from experiences with collaborative monitoring. The paper concludes by offering a methodological approach to monitoring that actively seeks to engender reflexive learning as a means to deal with uncertainty in natural resource management.