David Ehrenfeld is an American professor of biology at Rutgers University and is the author of over a dozen publications, including The Arrogance of Humanism, Becoming Good Ancestors: How We Balance Nature, Community, and Technology, and Swimming Lessons: Keeping Afloat in the Age of Technology.

• Biological consequences of ecosystem fragmentation: a review; Conservation of fragmented populations; Extinctions in subdivided habitats (Quinn/Hastings); A comment on Quinn and Hastings: extinction in subdivided habitats (Gilpin); Extinction in subdivided areas: a reply to Gilpin; Consequences and costs of conservation corridors (Simberloff/Cox); Corridors in real landscapes: a reply to Simberloff and Cox; Movement corridors: conservation bargains or poor investments?; Desert-dwelling mountain sheep: conservation implications of a naturally fragmented distribution; Ecological principles for the design of wildlife corridors; The principle of nested subsets and its implications for biological conservation; Nested subsets and the distribution of birds on isolated woodlots; The effect of edge on avian nest success: how strong is the evidence; The effects of fencelines on the reproductive success of Loggerhead Shrikes; Forests too deer: edge effects in northern Wisconsin; Eastern hemlock regeneration and deer browsing in the northern Great Lakes region: a re-examnination and model simulation; Avian survival rates and the extinction process on Barro Colorado Island, Panama; Forest fragmentation and bird extinctions: San Antonio eighty years later; Geographic range fragmentation and abundance in neotropical migratory birds; Area requirements for the conservation of rain forest raptors and game birds in French Guiana; Spatial models and Spotted Owls: exploring some biological issues behind recent events; Land forms and winter habitat refugia in the conservation of montane grasshoppers in southern Africa; Response of early successional vertebrates to historic changes in land use; Pollination in Dianthus deltoides (Caryophyllaceae); Forest fragmentation and alien plant invasion of central Indiana old-growth forests; Trends in landscape heterogeneity along the borders of Great Smoky Mountains National Park; An ecological evaluation of proposed new conservation areas in Idaho: evaluating proposed Idaho national parks; A comparison of direct and environmental domain approaches to planning reservation of forest higher plant communities and species in Tasmania; Modeling effects of land management in the Brazilian Amazonian settlement of Rondonia