This article interrogates the spatial, economic, and cultural underpinnings of traditional retailscapes in sub-Saharan Africa to understand how they intersect with contemporary urban planning policies. It does so by deploying a multi-step investigation of the issues from four perspectives: transportation corridors, spheres of influence, centrality, and observed spatial patterns - each leading us to connections between retail spaces and planning of African cities. Our analyses of 22 traditional satellite markets in Kumasi are distilled into four key findings. First, these markets emerge along, and at the intersection of, intra- and inter-urban road networks as a means of granting local access to indigenous goods and services. Second, the spatial distribution and spheres of influence of the markets partly support Christaller's hypothesis regarding the willingness of people to travel far distances to access higher-order goods and services. The hypothesis fails, however, to recognize that some traditional markets can still have high spheres of influence without providing higher-order goods and services because they constitute vital nodes in the rural-urban food networks. Third, we find a spatial clustering of these markets, suggesting agglomerative tendencies among the markets. Finally, we argue that the observed spatio-social patterns of Kumasi's retailscape only make sense if they are situated within the city's modernist urban planning imaginaries. Specifically, the city's retailscape embodies ongoing placemaking strategies, which involve the expropriation of urban spaces from traders to modernize the cityscape.
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http://dx.doi.org/10.1016/j.apgeog.2020.102265 | DOI Listing |
J Exp Clin Cancer Res
January 2025
National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China.
Background: Metastasis is the primary cause of mortality in small cell lung cancer (SCLC), with the liver being a predominant site for distal metastasis. Despite this clinical significance, mechanisms underlying the interaction between SCLC and liver microenvironment, fostering metastasis, remain unclear.
Methods: SCLC patient tissue array, bioinformatics analysis were performed to demonstrate the role of periostin (POSTN) in SCLC progression, metastasis, and prognosis.
FEMS Microbiol Ecol
January 2025
Center for Pan-third Pole Environment, Lanzhou University, Lanzhou, China.
In polar and alpine regions, global warming and landform changes are draining lakes, transforming them into permafrost with altered microbial communities and element cycling. In this study, we investigated bacterial and archaeal (prokaryotic) community changes in the newly exposed sediment of Zonag Lake (Tibetan Plateau), focusing on prokaryotic diversity, community structure, and genes involved in carbon fixation and nitrogen cycling across lateral (up to 800 m) and vertical (up to 80 cm) horizons. The results showed that prokaryotic richness decreased across the lateral horizons, coinciding with reductions in carbon concentrations.
View Article and Find Full Text PDFRural Remote Health
January 2025
Rural Clinical School Western Australia, University of Western Australia, UWA Science Building, Albany, WA 6330, Australia.
Introduction: The geographic, cultural, social and economic milieu that impacts mental health in rural communities globally has been well documented. However, few studies have addressed how rural ecosystems impact specifically upon the mental health and wellbeing of young people. Furthermore, the limited explorations of factors contributing to poorer mental health outcomes in rural youth have primarily included adult voices.
View Article and Find Full Text PDFBMJ
January 2025
Biostatistics Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia.
Chemosphere
January 2025
Departamento de Química, Universidade Federal do Paraná, 81531-980, Curitiba-PR, Brasil.
Soil is regarded as a natural repository for strongly adsorbed pollutants since glyphosate (GLY) is preferentially adsorbed by the inorganic fraction of the soil, which may greatly limits its leaching. In this way, understanding how clay mineralogy influences the sorption and transport processes of glyphosate in soils with different mineralogical characteristics is highly relevant. In this work, two clay mineralogy contrasting soils were used to evaluate GLY retention: a Oxisol (OX) with high levels of iron oxides (amorphous and crystalline) and a Inceptisol (IN) with a predominance of kaolinite.
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