SLIDES: The Construction of Water Scarcity and Its Management: Some Insights from South Africa\u27s Vaal System \u27Problemshed\u27

Presenter: Mike Muller, School of Governance, University of Witwatersrand, Johannesburg, South Africa 31 slide

SLIDES: The Construction of Water Scarcity and Its Management: Some Insights from South Africa\u27s Vaal System \u27Problemshed\u27

Presenter: Mike Muller, School of Governance, University of Witwatersrand, Johannesburg, South Africa 31 slide

Corporate Philanthropy and CEO Outside Directorships Under Authoritarian Capitalism

Scholars have long suggested that CEOs can benefit from corporatephilanthropy. However, little is known about this relationship in contextsof authoritarian capitalism such as China, where the state not only uses itscontrol of economic entities to pursue social goals but also plays a key rolein CEOs’ careers. We theorize how corporate philanthropy among statecontrolledfirms increases the CEO’s likelihood of receiving career benefitsfrom the state in the form of outside directorships. Outside directorshipsrepresent an important form of social capital in the Chinese context, andcorporate philanthropy is an important mechanism through which socialcapital can be acquired. In addition, we theorize how two factors—thedegree of state ownership and the number of independent directors onthe CEO’s board—moderate this relationship. Analyzing a 12-year panelof state-controlled, publicly-listed firms in China comprising 6,594 firm-yearobservations, we find general support for our ideas. In so doing, wecontribute to scholarship on the business–society relationship and corporategovernance in the context of authoritarian capitalism

Comparison of MRI properties between multimeric DOTAGA and DO3A gadolinium-dendron conjugates

The inherent lack of sensitivity of MRI needs the development of new Gd contrast agents in order to extend 20Hz,37%, the application of this technique to cellular imaging. For this purpose, two multimeric MR contrast agents obtained by peptidic coupling between an amido amine dendron and GdDOTAGA chelates (premetalation strategy, G1-4GdDOTAGA) or DO3A derivatives which then were postmetalated (G1-4GdDO-3A) have been prepared. By comparison to the monomers, an increase of longitudinal relaxivity has been observed for both structures. Especially for G1-4GdDO-3A, a marked increase is observed between 20 and 60 MHz. This structure differs from G1-4GdDOTAGA by an increased rigidity due to the aromatic linker between each chelate and the organic framework. This has the effect of limiting local rotational movements, which has a positive impact on relaxivity

Revealing the Changing Spatial Structure of Cities from Human Activity Patterns

Identifying changes in the spatial structure of cities is a prerequisite for the development and validation of adequate planning strategies. Nevertheless, current methods of measurement are becoming ever more challenged by the highly diverse and intertwined ways of how people actually make use of urban space. Here, we propose a new quantitative measure for the centrality of locations, taking into account not only the numbers of people attracted to different locations, but also the diversity of the activities they are engaged in. This ‘centrality index’ allows for the identification of functional urban centres and for a systematic tracking of their relative importance over time, thus contributing to our understanding of polycentricity. We demonstrate the proposed index using travel survey data in Singapore for different years between 1997 and 2012. It is shown that, on the one hand, the city-state has been developing rapidly towards a polycentric urban form that compares rather closely with the official urban development plan. On the other hand, however, the downtown core has strongly gained in its importance, and this can be partly attributed to the recent extension of the public transit system

Bureau of Land Management

The authors wish to thank Steve Leonard and George Staidle, who authored Technical Reference 1737-5, Riparian and Wetland Classification Review, which provided the basis for this document. We also thank those who reviewed and commented on Technical Reference 1737-5: Paul Hansen, Bill Platts, Bud Kovalchik