Vera Porwollik

Doctoral Researcher

Global assessment of agricultural land management practices for mitigation of climate change impacts, ecosystem regeneration and increasing resilience of farming systems.


Working Group


Potsdam Institute for Climate Impact Research (PIK)
P.O. Box 60 12 03
14412 Potsdam


  • Since 2015 Doctoral Researcher in Agricultural Economics at Humboldt-University zu Berlin and PIK, 'Patterns of agricultural management systems for global change impact assessments'
  • Between 2011-2014 Research Analyst for bio-economic farm modeling, Leibniz Center for Agricultural Landscape Analysis (ZALF e.V.), Müncheberg (Germany)
  • From 2007 to 2011 M.Sc. Integrated Natural Resource Management, Humboldt-University of Berlin, Scholarship in 2010 by GIZ for research visit Worldagroforestry Center regional office in Pucallpa Peru for master thesis:'Forests and Livelihoods in the Abujao River watershed, Ucayali'
  • B.Sc. International Forest Ecosystem Management, University of Applied Siences of Eberswalde (2007)

Professional expertise:
  • Land management data for agroecosystem models
  • Global crop modeling
  • Bio-economic farm modeling
  • Agricultural and natural resource economics
  • International development cooperation
  • Forest ecosystem management and conservation

Porwollik, V. et al: The role of cover crops for agricultural yields, cropland carbon, and nitrogen leaching - A global simulation study with LPJmL5.0-tillage-cc, (in prep).

Porwollik, V.; Rolinski, S.; Heinke, J.; Müller, C. Generating a rule-based global gridded tillage dataset, Earth System Science Data, 11, 823-843,, 2019.
Porwollik, V.; Rolinski, S.; Müller, C. A global gridded data set on tillage – R-code (V.1.1), GFZ Data Services,, 2019.
Porwollik, V.; Rolinski, S.; Müller, C. A global gridded data set on tillage (V.1.1), GFZ Data Services,, 2019.

Porwollik, V.; Müller, C.; Elliott, J.; Chryssanthacopoulos, J.; Iizumi, T.; Ray, D.K.; Ruane, A.C.; Arneth, A.; Balkovič, J.; Ciais, P.; Deryng, D.; Folberth, C.; Izaurralde, R.C.; Jones, C.D.; Khabarov, N.; Lawrence, P.J.; Liu, W.; Pugh, T.A.M.; Reddy, A.; Sakurai, G.; Schmid, E.; Wang, X.; de Wit, A.; Wu, X. Spatial and temporal uncertainty of crop yield aggregations. European Journal of Agronomy. 88,10-21, 2017.

Ibish, P.L., Porwollik, V. Bromeliad Conservation Corner: nedd for Strategy and Action, Journal of the Bromeliad Society. Vol 57, no. 3, p.125+. 2007

MACMIT - Climate mitigation in agricultural production systems through sustainable resource management

"A data set on tillage practices for global gridded crop modeling", SOM2017, Rothamsted (UK), August 2017

"Uncertainty of crop yield aggregations", iCROPM, Berlin (Germany), March 2016 and AgMIP6 Montpellier (France), June 2016                       

Workshop tillage area data set application opportunities in assessments of cropland management impacts in context of erosion and degradation using crop models: LPJmL, EPIC-IIASA, and ORCHIDEE-crop; PIK (Germany), October 2017

GGCMI workshop presentation: "Global data set on tillage practices - Agricultural management data for gridded crop modelling";  IIASA (Austria), June 2017

Member of the PhD-representatives at PIK, May 2016-2017

Modelling regional land use and climate change adaptation strategies in Northern Germany. Zander P., Hecker J.-M., Hufnagel J., Porwollik V. and Svoboda N. »Global Food Security Challenges European Research approaches« MACSUR TradeM Workshop,  Müncheberg (Germany), 2013.