BICC Publications/By author

Navarro, R., Wirkus, L., & Dubovyk, O. (2023). Spatio-Temporal Assessment of Olive Orchard Intensification in the Saïss Plain (Morocco) Using k-Means and High-Resolution Satellite Data. Remote Sensing, 15(1), 1-24.

Olive orchard intensification has transformed an originally drought-resilient tree crop into a competing water user in semi-arid regions. In our study, we used remote sensing to evaluate whether intensive olive plantations have increased between 2010 and 2020, contributing to the current risk of... more

Kemmerling, B., Schetter, C., & Wirkus, L. (2023). Addressing Food Crises in Violent Conflicts. In J. von Braun, K. Afsana, & M. H. Hassan (Eds.), Science and Innovations for Food Systems Transformation (pp. 217-228). Cham: Springer.

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Kemmerling, B., Schetter, C., & Wirkus, L. (2022). The logics of war and food (in)security. Global Food Security, 33, 100634.

Many of today's food crises are linked to war and violent conflicts. This paper elaborates four logics of war that have an impact on food insecurity: a) destruction; b) conflict-induced displacement; c) food control; d) hunger as a “weapon of war”. These logics explain why governments or... more

Heinemann-Grüder, A., Polianskii, M., Rogova, V., Schetter, C., & Wirkus, L. (2021). Bewaffnete Konflikte: Krieg in Osteuropa. In BICC, HSFK, IFSH, & INEF (Eds.), Friedensgutachten 2021 (pp. 48-73). Bielefeld: transcript.

Please find the Peace Report 2021 here. more

Kemmerling, B., Schetter, C., & Wirkus, L. (2021). Addressing food crises in violent conflicts (Food System Summit Brief April 2021). Bonn: Scientific Group for the Food Systems Summit.

Food insecurity and hunger continue to threaten the lives and livelihoods of millions of people. In the context of the United Nations Food Systems Summit 2021, BICC reseachers Birgit Kemmerling, Conrad Schetter and Lars Wirkus published a briefing paper that looks at the multiple dimensions between... more

Daase, C., Hofmann, G., Dembinski, M., Gromes, T., & Wirkus, L. (2020). Bewaffnete Konflikte: Friedensmissionen müssen neu austariert werden. In BICC, HSFK, IFSH, & INEF (Eds.), Friedensgutachten 2020 (pp. 45-69). Bielefeld: transcript.

Please find the Peace Report 2020 here. more

Benner, A.-K., Brzoska, M., Kohler, C., Kroll, S., Rothe, D., Scheffran, J., Schetter, C., Schröder, U., & Wirkus, L. (2020). Friedenspolitik in Zeiten des Klimawandels. In BICC, HSFK, IFSH, & INEF (Eds.), Friedensgutachten 2020 (pp. 25-43). Bielefeld: transcript.

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Swatuk, L., Thomas, B. K., Wirkus, L., Krampe, F., & Batista da Silva, L. (2020). The ‘boomerang effect’: Insights for improved climate action. Climate and Development, 13(1), 61-67.

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Wirkus, L., & Piereder, J. (2019). Early warning systems for drought and violent conflict – toward potential cross-pollination. In E. Mapedza, D. Tsegai, M. Bruntrup, & R. Mcleman (Eds.), Drought challenges: Policy options for developing countries. Current directions in water scarcity research, Vol. 2 (pp. 165-181). Amsterdam: Elsevier.

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Sterly, H., Etzold, B., Wirkus, L., Sakdapolrak, P., Schleussner, C.-F., & Hennig, B. (2019). Assessing refugees’ onward mobility with mobile phone data—A case study of (Syrian) refugees in Turkey. In A. Salah, A. Pentland, B. Lepri, & E. Letouzé (Eds.), Guide to mobile data analytics in refugee scenarios (pp. 251-263). Cham: Springer.

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Bethke, F., Meininghaus, E., Mielke, K., Mutschler, M., Schetter, C., & Wirkus, L. (2019). Bewaffnete Konflikte: Stabilisierung darf keine Interessenpolitik sein. In BICC, HSFK, IFSH, & INEF (Eds.), Friedensgutachten 2019 (pp. 45-69). Berlin: LIT.

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Kleist, J., Engler, M., Etzold, B., Mielke, K., Oltmer, J., Pott, A., Schetter, C., & Wirkus, L. (2019). Abschlussbericht – Flucht- und Flüchtlingsforschung in Deutschland: Eine Bestandsaufnahme. Osnabrück: IMIS/BICC.

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Sterly, H., Etzold, B., Wirkus, L., Sakdapolrak, P., Schewe, J., Schleussner, C.-F., & Henning, B. (2019). AROMA_CoDa: Assessing refugees’ onward mobility through the analysis of communication data. In Proceedings of the data for refugee challenge workshop (pp. 70-82). Istanbul: Boğaziçi University.

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Swatuk, L., Wirkus, L., Krampe, F., Thomas, B. K., & Batista da Silva, L. (2018). The boomerang effect: overview and implications for climate governance. In L. Swatuk, & L. Wirkus (Eds.), Water, climate change and the boomerang effect. Unintentional consequences for resource insecurity (pp. 1-19). New York: Routledge.

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Shah, N. Y., Wirkus, L., & Swatuk, L. (2018). Can climate change challenges unite a divided Jordan River basin?. In L. Swatuk, & L. Wirkus (Eds.), Water, climate change and the boomerang effect. Unintentional consequences for resource insecurity (pp. 121-139). New York: Routledge.

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Swatuk, L., & Wirkus, L. (Eds.). (2018). Water, climate change and the boomerang effect. Unintentional consequences for resource insecurity.. New York: Routledge.

In line with COP21 agreements, state-led climate change mitigation and adaptation actions are being undertaken to transition to carbon-neutral, green economies. However, the capacity of many countries for action is limited and may result in a boomerang effect, defined as the unintended... more

von Boemcken, M., Meininghaus, E., Mielke, K., Schetter, C., Schlüsing, C., Trancart, C., & Wirkus, L. (2018). Bewaffnete Konflikte: Deutsche Stabilisierungspolitik auf dem Prüfstand. In BICC, HSFK, IFSH, & INEF (Eds.), Friedensgutachten 2018 (pp. 43-63). Berlin: LIT.

Please find the Peace Report 2018 here. more

Mager, A., Wirkus, L., & Schoepfer, E. (2016). Impact assessment of oil exploitation in South Sudan using multi-temporal landsat imagery. Photogrammetrie – Fernerkundung – Geoinformation(4), 211-223.

This scientific report examines the spatial impacts of oil exploitation in Melut County, South Sudan, at six points in the time span between 1999 and 2011, based on Landsat satellite data. Three features were analysed: cropland, oil well pads and roads. Feature extraction consisted of pixel- and... more

Tomaszewski, B., Judex, M., Szarzynski, J., Radestock, C., & Wirkus, L. (2015). Geographic information systems for disaster response: A review. Journal of Homeland Security and Emergency Management, 12(3), 571-602.

Geographic Information Systems (GIS) continue to gain important recognition from disaster practitioners and academic researchers during what is arguably the most publicly visible disaster management phase – disaster response. The broader world of GIS academic research and industry practice for... more

Wirkus, L. (2015). An open source WebGIS application for civic education on peace and conflict . International Journal of Geo-Information, 4(2), 1013–1032.

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Wirkus, L. (2012). Auf zu neuen Nutzungen! Die Konversion militärischer Liegenschaften als Chance für die Kommunen. Zivilarena. http://portal.zivilarena.de/index.php/magazine/article/view/12.

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Wirkus, L. (2012). Ländlicher Raum kommt schlecht weg. Städte- und Gemeinderat (7-8 2012), 6-8.

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Renaud, F., & Wirkus, L. (2012). Water, climate change and human security: Conflict and migration. In H. Bigas, T. Morris, B. Sandford, & Z. Adeel (Eds.), The global water crisis. Addressing an urgent security issue. Papers for the Interaction Council 2011-2012 (pp. 334-45). Hamilton: UNU-INWEH.

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Kramm, J., Lecoutere, E., & Wirkus, L. (2012). Water and conflict prevention (Microcon Policy Briefing 16). Brighton: Microcon.

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Wirkus, L. (2011). Liegenschaftskonversion reloaded. Friedens Forum: Zeitschrift der Friedensbewegung 4(2011), 48-50.

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Kramm, J., & Wirkus, L. (2010). Local water governance: Negotiating water access and resolving resource conflicts in Tanzanian irrigation schemes (MICROCON Research Working Paper 33). Brighton: MICROCON.

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Wirkus, L. (2010). Climate change, hydro-conflicts and human security – Initial policy reflections from the CLICO project.

Paper presented at the Bonn Climate Talks, 01-12 June 2010 more

Wirkus, L., & Warner, K. (2009). Evidence of the impacts of climate change on human security in Africa, with reference to migration and water-related conflict.

Paper presented at the International Conference on Climate Change, Social Stress and Violent Conflict, Hamburg 19–20 November 2009. more

Vollmer, R., Ardakanian, R., Hare, M., Leentvaar, J., van der Schaaf, C., & Wirkus, L. (2009). Institutional capacity development in transboundary water management.

Institutional Capacity Development in Transboundary Water Management. The United Nations World Water Assessment Programme, Side Publication Series “Insights”. UNESCO, Paris. more

Wirkus, L., & Swatuk, L. (Eds.). (2009). Transboundary water governance in Southern Africa. Baden-Baden: Nomos.

This collection of Southern African case studies is intended to contribute to the burgeoning literature on transboundary water governance (TBWG) particularly as it applies to areas of the Global South. Specifically, the collection interrogates the idea of the ‘boundary’. Transboundary Management is... more

Swatuk, L., & Wirkus, L. (2009). Transboundary water governance in Southern Africa: Beyond the state. In L. Swatuk, & L. Wirkus (Eds.), Transboundary water governance in Southern Africa – Examining underexplored dimension (Reihe Sustainable peace and global security governance) (pp. 197-207). Baden-Baden: Nomos.

This collection of Southern African case studies is intended to contribute to the burgeoning literature on transboundary water governance (TBWG) particularly as it applies to areas of the Global South. Specifically, the collection interrogates the idea of the ‘boundary’. Transboundary... more

Swatuk, L., & Wirkus, L. (2009). Transboundary water governance in Southern Africa: An indroduction. In L. Swatuk, & L. Wirkus (Eds.), Transboundary water governance in Southern Africa – Ecamining underexplored dimension (Reihe Sustainable Peace abd Global Security Governance) (pp. 11-29). Baden-Baden: Nomos.

This collection of Southern African case studies is intended to contribute to the burgeoning literature on transboundary water governance (TBWG) particularly as it applies to areas of the Global South. Specifically, the collection interrogates the idea of the ‘boundary’. Transboundary... more

Wirkus, L., & Vollmer, R. (Eds.). (2008, July). Monitoring environment and security: Integrating concepts and enhancing methodologies (Brief series No. 37). Bonn: BICC.

BICC brief 37 is based on the proceedings of the Seminar ‘Environment and Conflict—Evaluating and strengthening the means of interdisciplinary cooperation’, which took place in Bonn from the 18–20 September 2007. This Seminar was organized by BICC in cooperation with GMOSS (Global Monitoring for... more

Wirkus, L. (2006, January). Water, development and cooperation — Comparative perspective: Euphrates-Tigris and Southern Africa (Paper series No. 46). Bonn: BICC.

From 1–2 March 2004, the Center for Development Research (ZEF) and the Bonn International Center for Conversion (BICC) hosted an International Expert Workshop on “Water, Development and Cooperation – Comparative Perspective: Euphrates-Tigris and Southern Africa” in Bonn, Germany. Experts from the... more

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