Geospatial Modeling of Containment Probability for Escaped Wildfires in a Mediterranean Region

Despite escalating expenditures in firefighting, extreme fire events continue to pose a major threat to ecosystem services and human communities in Mediterranean areas. Developing a safe and effective fire response is paramount to efficiently restrict fire spread, reduce negative effects to natural values, prevent residential housing losses, and avoid causalties. Though current fire policies in most countries demand full suppression, few studies have attempted to identify the strategic locations where firefighting efforts would likely contain catastrophic fire events. The success in containing those fires that escape initial attack is determined by diverse structural factors such as ground accessibility, airborne support, barriers to surface fire spread, and vegetation impedance. In this study, we predicted the success in fire containment across Catalonia (northeastern Spain) using a model generated with random forest from detailed geospatial data and a set of 73 fire perimeters for the period 2008–2016. The model attained a high predictive performance (AUC = 0.88), and the results were provided at fine resolution (25 m) for the entire study area (32,108 km²). The highest success rates were found in agricultural plains along the nonburnable barriers such as major road corridors and largest rivers. Low levels of containment likelihood were predicted for dense forest lands and steep-relief mountainous areas. The results can assist in suppression resource pre-positioning and extended attack decision making, but also in strategic fuels management oriented at creating defensive locations and fragmenting the landscape in operational firefighting areas. Our modeling workflow and methods may serve as a baseline to generate locally adapted models in fire-prone areas elsewhere.     

Preventing the displacement of small businesses through commercial gentrification: are affordable workspace policies the solution?

The displacement of small businesses in cities with rising land values is of increasing concern to local communities and reflected in the literature on commercial or industrial gentrification. This article explores the perception of such gentrification as both a problem and an opportunity, and considers the motivations and implications of state intervention in London, where policies requiring affordable workspace to be delivered within mixed use developments have been introduced. Based on case studies of 13 mixed use developments in London, the findings reveal the limitations and unintended consequences of affordable workspace policies, leading to a call for planners to revisit and strengthen more traditional planning tools.     

Polysubstance use patterns in underground rave attenders: a cluster analysis

Drug use in mainstream rave parties has been widely documented in a large number of studies. However, not much is known about drug use in underground raves. The purpose of this study is to find out the polysubstance use patterns at underground raves. Two hundred and fifty-two young people between the ages of 18 and 30 who went to underground raves were interviewed. They were given a questionnaire to collect information on drug use at raves. Ravers used a mean of 4.9 different drugs at the last rave they had been to. Over 75% of them used tobacco, alcohol, cannabis, and amphetamine, and over half also used powder ecstasy. Two differentiated use patterns were found: one pattern concentrated more on the use of stimulants and the other on the use of hallucinogens. Underground ravers have a "standard" sociodemographic profile. The use of drugs is much higher than equivalent age group. Higher drug use prevalence than in mainstream rave parties is also observed. Different patterns of use appear which will be necessary to consider in designing preventions and risk reduction strategies,     

Revealing representations of jazz in the Weimar Republic

While in America and elsewhere jazz made its debut in the middle and late 1910s, the Weimar Republic (1919–1933) remained relatively isolated from jazz until 1920. Touring groups opted for travel in economically and politically stable areas. Until the first live jazz concert in 1924, Germans learned of jazz through sheet music, recordings, and soldiers returning from World War I. Lasting records of jazz culture exist due to the advances in sound recording, photography, and publishing. Jazz images from the Weimar Republic offer a glimpse into the triangular relationship of ethnic African and African-American jazz artists with jazz culture and with German audiences. Many images de-emphasize the African-American jazz artists by using stereotypical tropes, masking the artist, and avoiding physical portrayals of the artist. These techniques reflect the adaptation of jazz culture for audiences within a nation recovering economic and political stability.     

Organicity and performance in excellent HRM organizations: the importance of organizational learning capability

Organizational learning capability is a key element in organizational performance. This issue spurs interest to discover how to generate environments with high organizational learning capability. In this paper, we analyze the relationship between the degree of organicity of the structure, organizational performance and organizational learning capability. A total of 251 firms with demonstrated excellence in human resource management took part in the study. Results suggest that the degree of organicity of the structure has a positive relationship with performance perceptions and this relationship is fully mediated by organizational learning capability.