- Teaching Specialties
- Physical Geography
- Biogeography and Conservation
- Historical Geography
Recent Publications
- 2007. Near Eastern pollen diagrams and "deforestation." Middle States Geographer 40:150-157.
- 2006. The ethnic fan club: Jewish influence on US foreign policy, and the geography of terrorism. Pennsylvania Geographer 44(2):112-132.
- (with K. R. Young, L. Daniels, T. T. Veblan and S. S. Ziegler)
2004. Biogeography in North America. In Gaile, G. L. and C. J.
Wilmott (eds.), Geography in America at the Dawn of the 21st
Century, pp.17-31. Oxford University Press.
- 2003(2004). Introgession as a spatial phenomenon. Physical
Geography 41(1):88-105. (pdf)
- 2003. "Smokey the Bear and Lyme Disease", Pennsylvania
Geographer. 41 (1): 88-105.
- 2002. "Changing Paradigms, Wild Cereal Ecology, and Agricultural
Origins." In Cappers, R. T. J. and S. Bottema (eds.), The
Dawn of Farming in the Near East, pp. 95-111. Berlin.
- 2002. "Environmental Management and Conservation."
In Orme, A.R. (ed.), Physical Geography of North America,
pp.516-35. Oxford University Press.
- 2000. "Spatial analysis to settle an unresolved question
in genetics, with both theoretical and applied implications."
Research in Contemporary and Applied Geography: A Discussion
Series , 24(3):1-24 (pdf)
- 2000. "Vegetation dynamics in seasonally dry environments."
In Khoetsian, A. (ed.), Proceedings of the IGU, Biogeography
Study Group Scientific Conference, Biogeographical and Ecological
Aspects of Desertification Processes in Arid and Semiarid Environments,
Yerevan 23-29 May, 2000. Yerevan. (pdf)
- 1998. "Evolution of caryopsis gigantism and the origins
of agriculture." Research in Contemporary and Applied
Geography: A Discussion Series , 22(1-2):1-46 (pdf)
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