Institute of Behavioral Science Room 283
University of Colorado Boulder
483 UCB
Boulder, CO 80309-0483


IBS Associations

Director and Fellow, Environment and Society Program

Faculty, Population Program

Faculty, CU Population Center

Faculty, Center for the Governance of Natural Resources

Research Interests

Ecological Anthropology, Pastoral Nomadism, Demography and Land Use Change, Economic Development, Arid Lands, Conservation, Sub-Saharan Africa, East Africa

Brief Biography

My research focuses on livelihood strategies and decisions relating to land use among the pastoral peoples of Eastern Africa. I’ve spent nearly 30 years engaged in this research mostly with the Turkana of northern Kenya and the Maasai of northern Tanzania. Most recently I’ve been conducting research on the process of livelihood diversification among the Maasai, including the adoption of cultivation and rural-urban migration. Currently I am Principal Investigator on a project comparing the social, economic, and ecological impact of parks on adjacent communities with field sites in Tanzania, Uganda, Namibia and Botswana. Most of this work has been funded by the National Science Foundation and the MacArthur Foundation. My book, Cattle Bring Us to Our Enemies: Turkana Ecology, History and Raiding in a Disequilibrium System won the 2005 Julian Steward award for the best book written in the previous year in ecological and environmental anthropology.

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