Mary Ann Cunningham teaches geography and geographic information systems (GIS), and environmental studies at Vassar College, Poughkeepsie, NY. Her research involves using GIS to assess landscape-level problems in conservation and biodiversity. In particular, she is interested in understanding the nature of fragmentation in grassland environments and the effects of fragmentation on the make-up of bird communities. The agricultural landscapes where she has been working represent a complex and fascinating interaction of issues concerning working landscapes, resource use, remnant wildlife habitat,...