introductionpopulation data is easily accessible and shows the relationship between city size and other socio-economic factors in the city indirectly, so many geographers using this type of data to gain an understanding of the structure of the cities network and distribution of the people in the different levels of urban hierarchy. in fact, urban hierarchy is the best way of space organization ...

© The Ecological Society of America www.frontiersinecology.org H are increasingly influencing biogeochemical cycles at a global scale (Vitousek et al. 1997; Rojstaczer et al. 2001). From the publication of “man’s role in changing the face of the Earth” (Thomas 1956) to the recent syntheses on climate change (eg Solomon et al. 2007), the role of cities in altered biogeochemical cycles has receiv...

This paper discusses experiences from implementing a mobile urban Web system using 2D visual barcodes as physical link anchors in the city and utilizing the users’ own mobile phones as interaction devices. We discuss the techniques and technologies used to create the system and the implemented services. Based on public use during the annual Aarhus Festival in September 2008, we evaluate the exp...

Although residential substance abuse treatment is utilized extensively by urban American Indians and Alaska Natives (AI/ANs), there are few detailed descriptions of this care. This study delineated services provided by and interviewed staff working at residential programs designed for chemically dependent urban AI/ANs. Study agencies were compared to national data from residential programs serv...

resilience thinking in urban environment has been recently proposed as an effective measure to realize the objectives of sustainable development, minimize uncertainties and non linear interactions. this concept, in the context of modern urban ecology makes it possible to integrate natural and human factors and in urban systems and understanding the interactions between them, expanding sustainab...

We explore whether Rotterdam city has the governance capacity in terms of processes at place, and the attention in terms of vision and strategy to take up an integrated approach toward urban resilience. We adopt an interpretative policy analysis approach to assess the dynamics of urban ecosystem governance considering interviews, gray literature, and facilitated dialogues with policy practition...

BACKGROUND Health care is generally considered to be more highly valued in urban areas than in rural areas. However, studies have reported that there is no difference in the health care values of urban and rural areas in the Kingdom of Thailand, with some studies even indicating that these values are stronger in rural areas. We, therefore, conducted interviews and implemented a qualitative inve...

SUDPLAN is an EU FP7 project combining IT and environmental knowhow in a novel way, bringing an easy-to-use, web-based decision support system for urban climate services. It will allow city planners to take climate change and its impact on the urban environment into account in the urban planning process. The main components of the SUDPLAN product are the Scenario Management System, the Common S...

BACKGROUND The present study is a utilization review of outpatient services offered by specialists and underlying social factors among urban families in Fars Province, Iran. METHODS The present study conducted among 1900 residents in urban areas of Fars Province in January 2013. Sampling was carried out through a three-step method, which was designed based on utilization of health services su...