1. The Divergent Development of Urban Regions

Author(s):  
Michael Storper ◽  
Thomas Kemeny ◽  
Naji Philip Makarem ◽  
Taner Osman

2004 ◽  
Vol 48 (1) ◽  
Author(s):  
Stefan Krätke

Urban economies in Germany. Cluster potential and global interconnections. Urban economies are the leading locational centres of corporate headquarters, advanced producer services, the media sector, research and development, particular “knowledge-intensive” activity branches of the economy and innovative industrial growth sectors. The urban regions might be characterized as heterogenous agglomerations of economic activities, which include a number of sub-economies with different functions and forms of organisation.The urban regions’ economic potential reveils specific differences with regard to the large urban economic centres in West- and East-Germany. The different positions of particular urban economic centres in Germany and Europe as ancoring points of global firms’ organizational networks are being indicated with regard to global service providers and global media firms, emphasizing the global interconnections as an important development factor particularly in the metropoles of the urban system.


Author(s):  
Jennifer Buyck ◽  
Aurore Meyfroidt ◽  
Caroline Brand ◽  
Gabriel Jourdan

AbstractOur contribution aims at pointing out how the food issue challenges metropolitan areas while at the same time identifying potential for sustainable urban planning. To that end, we investigate to what extent taking into account agricultural and food-related issues enables to rethink urban planning which is usually qualified as sustainable. Our analysis will be based upon the two French urban regions of Grenoble and Caen where participatory research was conducted through collective and prospective walks. These urban explorations, which provide insights on metropolitan spaces and the interrelations that underlie them, underly the disconnections of contemporary urban planning with the inhabitants, their vital needs and, more generally, the soil, while highlight working paths for a more nourishing, meaningful and rooted urban planning. By considering urban planning through the scope of agri-food stakes, we contribute then to the renewal of urban concepts and thus highlight three workshops aiming at further developing sustainable urban planning issues and tools.


2017 ◽  
Vol 16 (7) ◽  
pp. 769-782 ◽  
Author(s):  
Yashar Nasrollahi ◽  
Behrouz Behnam

1987 ◽  
Vol 82 (4) ◽  
pp. 475-482 ◽  
Author(s):  
Wilson J. S. Souza ◽  
Sergio G. Coutinho ◽  
Carlos Wilson G. Lopes ◽  
Carlos S. dos Santos ◽  
Nadia M. Neves ◽  
...  

Immunofluorescence tests (IF) for toxoplasmosis were performed on a total of 608 schoolchildren in elementary and junior high grades. 166 being in the Bonsucesso district (an urban region of Rio de Janeiro) and 442 children from locations within the lowlands of Jacarepaguá (with rural characteristics). All the IF-IgM were nonreactive, whilst 416 schoolchildren (68.4%) were IF-IgG serum-reactive ([greater than or equal to] 1:16). The percentages of serum-reactives in Jacarepaguá were significantly higher than in Bonsucesso, both as regards the total number of schoolchildren (p < 0.001), as also when subdivided according to the age-grades from six to eight years (p < 0.001) or from twelve to fourteen (p < 0.05). Both in Jacarepaguá and in Bonsucesso, the prevalence of reactions in the 12 to 14 year age-grade was significantly greater than in the 6 to 8 year age-grade (p < 0.001 in both cases). Expressively larger prevalences of serum reactions were found in Jacarepaguá among schoolchildren who preferred eating raw or undercooked meat, as well as among those having cats as pets; this occurred equally in the 6 to 8 year and in the 12 to 14 year age-grades. In Bonsucesso, the only significant difference was in the 6 to 8 year age-grades that had cats as pets. Thus, it has been verified that the risk of infection is greater and more precocious in localities with rural characteristics than in urban regions.


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