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Mateo-Sagasta, JavierDrechsel, Pay[Improving water quality is an opportunity to avert a global crisis]Improving water quality is an opportunity to avert a global crisis

The growing urban demand for food and changing diets are two of the main factors for changing urban food systems in terms of food quantity and diversity, as well as underlying production and distribution systems. In order to meet the urban food needs while minimising negative environmental effect...


Karg, H.Akoto-Danso, Edmund K.Schlesinger, J.Nyarko, G.Drechsel, Pay[Food flow analysis: the role of locality in feeding cities [Abstract only]]Food flow analysis: the role of locality in feeding cities [Abstract only]

In response to changing urban food systems, short supply chains have been advocated to meet urban food needs while building more sustainable urban food systems. Despite an increasing interest in urban food supply and the flows of food from production to consumption, there is a lack of empirical s...


Karg, HannaDrechsel, PayAkoto-Danso, Edmund K.Glaser, RüdigerNyarko, GeorgeBuerkert, Andreas[Foodsheds and city region food systems in two West African cities]Foodsheds and city region food systems in two West African cities

Food security concerns and the scarcity of new productive land have put productivity enhancement of degraded lands back on the political agenda. In such a context, salt-affected lands are a valuable resource that cannot be neglected nor easily abandoned even with their lower crop yields, especial...


Qadir, ManzoorQuillérou, E.Nangia, V.Murtaza, G.Singh, M.Thomas, Richard J.Drechsel, PayNoble, A.D.[Economics of salt-induced land degradation and restoration]Economics of salt-induced land degradation and restoration

Nutrients and virtual water in the form of food and other organic goods are transported from the rural hinterland to urban centres. In particular in developing countries, poor waste management in growing cities and the potential to recover nutrients and water for agricultural production have rais...


Akoto-Danso, Edmund K.Karg, H.Drechsel, PayBuerkert, Andreas[Nutrient and virtual water flow analysis for Tamale, Ghana and Ouagadougou, Burkina Faso]Nutrient and virtual water flow analysis for Tamale, Ghana and Ouagadougou, Burkina Faso

With increasing change of traditional diets, and the emergence of new supply and marketing chains, urban food consumers in low-income countries are faced with multiple food safety challenges, among which microbial contamination and pesticides are key concerns for fruits and vegetables sold on urb...


Keraita, Bernard N.Drechsel, Pay[Consumer perceptions of fruit and vegetable quality: certification and other options for safeguarding public health in West Africa]Consumer perceptions of fruit and vegetable quality: certification and other options for safeguarding public health in West Africa

Urbanization, population growth and rapid development have created a notable shift in septage* management in Sri Lanka, necessitating a vast and rapid improvement in the service of mechanized septage collection by trucks and finding additional space to meet the increasing septage disposal needs. ...


Fernando, SudarshanaDrechsel, PayManthrithilake, HerathJayawardena, Lalith[Septage management related regulatory and institutional aspects and needs in Sri Lanka. A review]Septage management related regulatory and institutional aspects and needs in Sri Lanka. A review

This empirical study examines food sources and their quantitative contribution to the city of Tamale, Ghana. The results contribute to an understanding of the urban food system, and evoke questions relating to the standardised measurement and evaluation of urban food system resilience across geog...


Karg, H.Akoto-Danso, Edmund K.Drechsel, Pay[Examining food sources in the city of Tamale, Ghana]Examining food sources in the city of Tamale, Ghana
Hanjra, Munir A.Drechsel, PayWichelns, DennisQadir, Manzoor[Transforming urban wastewater into an economic asset: opportunities and challenges]Transforming urban wastewater into an economic asset: opportunities and challenges

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