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My research focuses on issues related to land-use and land cover change, the environment, and development, mostly in and around agricultural frontiers of Latin America. Much of my recent work has centered on the Gran Chaco region in Paraguay, Argentina and Bolivia, but students in my group also work on issues related to land use and livelihoods in other areas. I have three main research projects at the moment.

Understanding the expansion of agricultural commodity frontiers
The challenges and contradictions of sustainable development are nowhere more apparent than in agricultural commodity frontiers — places where commodity agriculture expands over natural environments —, which some see as an opportunity for economic growth, while other experience as an ecological and social catastrophe. Agricultural frontiers have been studied for a long time, but their dynamics are changing: in recent decades they have been increasingly driven by capitalized agriculture operating with minimal government intervention. We study the implications of this shift through the case of the Gran Chaco, a dry woodland ecosystem that has experienced among the highest deforestation rates in the world over the last two decades (see our papers on and on in the Gran Chaco).

Resilience and sustainability of smallholders in commodity frontiers of the Gran Chaco
Commodity frontiers undergo rapid changes in social and environmental conditions, which make them particularly vulnerable to environmental degradation and social conflicts. In this context, smallholders who inhabit these frontier areas often cannot compete on equal terms with expanding commercial agriculture. While some manage to halt expansion locally, e.g., by successfully filing land claims, in most cases they are forced to develop alternative livelihood strategies to accommodate these new landscapes. In this line of investigation, we try to understand the many ways in which these people adapt their livelihoods in rapidly evolving frontiers (see our papers on and ).

Mennonite colonies and the role of culture in land use change
Studies of land use change commonly assume that decisions to use land in a certain way are made by economically rational actors trying to maximize profits. This assumption ignores the fact that many of the decisions people make are influenced by values, beliefs, norms - things that, for lack of a better word, we call "culture". In order to approach the question of how culture influences land-use, we study the land-use dynamics of Low-German Mennonites, a religious group with a long history of migration and territorial expansion in Latin America. Looking at the way that religious and cultural imperatives guide land-use decisions in this particular community can, we believe, help scholars of land use change better understand how culture may shape land-use decisions worldwide (see our papers on and on ).

For more information on my and my group’s research, please refer to the lab’s website: .