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2. Umbrellas and flagships: efficient conservation surrogates or expensive mistakes?;Andelman;Proceedings of the National Academy of Sciences of the United States of America,2000
3. Would environmental diversity be a good surrogate for species diversity?;Araújo;Ecography,2001
4. Population Viability Analysis,2002
5. Bode, R.C., 2002. GIS models of bobcat habitat and a multi-species habitat network as a conservation umbrella. Master of Fisheries and Wildlife Project Report, North Carolina State University, College of Natural Resources, Forestry Department, Raleigh, NC, USA.