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Gideon Tups (geb. Hartmann)

Südbau, Raum 2.10

Otto-Fischer-Straße 4
50674 Köln

Telephone +49-(0)221-470-1950
Fax +49-(0)221-470-4917
E-mail g.hartmann(at)

Research fellow

PhD Candidate at the Collaborative Research Center 288 "Future Rural Africa: Future-making and social-ecological transformation" - C01: Future in Chains: Socio Economic Impacts of Growth Corridors


Research interests

Topics: Agricultural production systems in the Global South, Agrarian change, Development Corridors, Infrastructure, Connectivity
Regional: Sub-Saharan Africa (Kenya, Namibia, Zambia, Tanzania) 


Review activity

Journal of Rural Studies
Development Southern Africa
World Development



Hartmann, G., Mwaka, I., and P. Dannenberg (2020): Large investments, small farmers: A financialisation perspective on value chains in a development corridor. Development Southern Africa, online first. DOI: 10.1080/0376835X.2020.1799758

Hartmann G., Nduru G. and P. Dannenberg (2020): Digital connectivity at the upstream end of value chains: A dynamic perspective on smartphone adoption amongst horticultural smallholders in Kenya. In: Competition & Change (Online first). DOI: 10.1177/1024529420914483.

Dannenberg, P. and G. Hartmann (2019) Stairway to Heaven oder Highway to Hell? Neue Entwicklungskorridore am Beispiel SAGCOT in Tansania. In: Praxis Geographie, 11: 42-45.

Steffens, V., Hartmann, G., and P. Dannenberg (2019): Eine neue Generation von Wachstumskorridoren als Entwicklungsmotor in Afrika? Das Beispiel des tansanischen Landwirtschaftskorridors SAGCOT. In: Standort (Online 19.02.2019). doi:10.1007/s00548-019-00565-6.

Follmann, A., Hartmann, G., and P. Dannenberg (2018): Multi-temporal transect analysis of peri-urban developments in Faridabad, India. In: Journal of Maps, 14(1): 17-25.

Dannenberg, P., Follmann, A. and G. Hartmann (2017): Urbanisierung und peri-urbaner Wandel in und um Faridabad, Indien. In: Schmidt, M., Follmann, A. und J. Poerting (Hrsg.) (2017): Aktuelle Forschungsbeiträge zu Südasien: 7. Jahrestagung des AK Südasien, 27./28. Januar 2017, Augsburg, Heidelberg ; Berlin: CrossAsia-eBooks (Geographien Südasiens, Band 8), 34-37.



Hartmann, G., Dannenberg, P., 2020. Turning Global Value Chains upside down? Upstream lead firms and governance in the fertilizer GVC. DFG Research Network Spaces of Global Production – Workshop: “Thinking about Extraction and Spaces of Global Production“, Bayreuth. 26.11. 2020.

Hartmann, G., 2020. Emptying the Future, Claiming Space: African Development Corridors as Spatial Imaginaries of Strategic Coupling. Doctoral Colloquium on the Infrastructure Turn and Global Development 2020, Sheffield. 09.09.2020.

Hartmann G, & Dannenberg P. (2019): Wachstumskorridore als modus operandi landwirtschaftlicher Transformation? Das Megaprojekt SAGCOT in Tansania, Deutscher Kongress für Geographie 2019, Kiel. 26.09.2019.

Hartmann, G and P. Dannenberg (2018): Emptying future, claiming territory: The making of the Southern Agricultural Growth Corridor of Tanzania, RGS-IBG Annual International Conference 2019, London. 29.08.2019.

Hartmann, G. & Dannenberg, P. (2018): Entwicklungskorridore als Strategie zur Ernährungssicherheit in Afrika? - das Beispiel SAGCOT, Lecture Series Food and Nutrition Security - Competence Area Food Security. Cologne. 20.12.2018.

Hartmann, G. & Dannenberg, P. (2018): Going digital: A dynamic perspective on smartphone adoption amongst smallholders in agricultural value chains in Kenya, GCEG 2018 - Fifth Global Conference on Economic Geography. 25.08.2018. 

Dannenberg, P., Follmann, A. & Hartmann, G. (2017): Growing smart? Urbanization and peri-urban change in and around Faridabad, India. Arbeitskreis Südasien. Augsburg. 27.01.-28.01.2017. 



Tups, G. (2020): From health crisis to hunger crisis? Impacts of COVID-19 on fertilizer value chains in East Africa. CRC Future Rural Africa Blog. 28.12.2020.

Hartmann, G., Hulke, C. & Kalvelage, L. (2020): Understanding Linkages of Future-Making through Global Value Chains. CRC Future Rural Africa Blog. 08.09.2020.

Hartmann, G. (2020): Spatialities of Future Making: The Case of Fertilizer Value Chains. CRC Future Rural Africa Blog. 10.02.2020.

Hartmann, G. (2019): The Quest to find SAGCOT: Erratic Space(s) and Fragments of Interpretation. CRC Future Rural Africa Blog. 17.01.2019.