R.K. Colwell

Integration of species and ecosystem approaches to conservation
Tartowski, S.L., E.B. Allen, N.E. Barrett, Alan R. Berkowitz, R.K. Colwell, Peter M. Groffman, J. Harte, et al. 1997. “Integration of Species and Ecosystem Approaches to Conservation”. In S. T. A. Pickett, R. S. Ostfeld, M. Shachak, and G. E. Likens (eds.). The Ecological Basis of Conservation: Heterogeneity, Ecosystems, and Biodiversity, 187-92. Chapman & Hall, Inc., New York.
The Endangered Species Act. Open Letter from Leaders of Scientific Professional Societies (to U.S. Representative Don Young)
Colwell, R.K., J. Lubchenco, D. Freckman, H.A. Mooney, S.A. Levin, J.L. Meyer, Gene E. Likens, Paul G. Risser, and G.H. Orians. 1996. “The Endangered Species Act. Open Letter from Leaders of Scientific Professional Societies (to U.S. Representative Don Young)”. Bull. Ecol. Soc. Am.
The Endangered Species Act. Open Letter from Leaders of Scientific Professional Societies (to U.S. Senator Dirk Kempthorne)
Ayala, F. J., R.K. Colwell, P.R. Ehrlich, Hardy Eshbaugh, Jerry F. Franklin, D. Freckman, D.H. Knight, et al. 1996. “The Endangered Species Act. Open Letter from Leaders of Scientific Professional Societies (to U.S. Senator Dirk Kempthorne)”. Bull. Ecol. Soc. Am.