Rossman BB, Ulehla J. 1977. Psychological reward values associated with wilderness use: a functional reinforcement approach. Envir Behav 9(1):41–66.

Scherl LM. 1988. Constructions of a wilderness experience: using the repertory grid technique in the natural setting. Austral Psych 23(2):225–42.

Shin W-S. 1993. Self-actualization and wilderness attitudes: a replication. J Soc Behav Personality 8(2):241–56.

Simpson RD, Sedjo RA, Reid JW. 1996. Valuing biodiversity for use in pharmaceutical research. J Polit Econ 104(1):163–85.

Snyder G. 1996. A place in space: ethics, aesthetics and watersheds. Berkeley CA: Counterpoint Pr.

Stegner W. 1992. Where the bluebird sings to the Lemonade Springs. New York NY: Random. p 71–2.

Stern PC, Dietz T, Abel T, Guagnano G, Kalof L. 1998. A social psychological theory of support for social movements. Fairfax VA: Human Ecology Res Grp, George Mason University.

Stern PC, Dietz T, Kalof L. 1993. Value orientations, gender and environmental concern. Envir Behav 25:322–48.

Tatum LA. 1971. The southern corn leaf blight epidemic. Science 171:1113–6.

Tilman D, Downing JA. 1994. Biodiversity and stability in grasslands. Nature 367:363–65.

Tilman D. 1996. Biodiversity: population versus ecosystem stability. Ecology 77:350–63.

TSC/WRI [Tropical Sciences Center, World Resources Institute]. 1991. Accounts overdue: natural resource depreciation in Costa Rica. Washington DC: World Resources Inst.

Vitousek PM, Walker LR, Whiteaker LD, Mueller-Dombois D, Matson PA. 1987. Biological invasion by Myrica faya alters ecosystem development in Hawaii. Science 238:802–4.

Waggoner P. 1994. How much land can ten billion people spare for nature? Task Force Report 121 (Ames IA: Council for Agricultural Science and Technology) p 26–27, citing National Corngrowers Associate 1993 Tabulation of the 1992 Maize Yield Contest.

WCMC [World Conservation Monitoring Centre]. 1992. Global biodiversity: status of Earth's living resources. London UK: Chapman & Hall.

Wilkes G. 1985. Germplasm conservation toward the year 2000: potential for new crops and enhancement of present crops. In: Yeatman CW, Kafton D, Wilkes G (eds). Plant genetic resources: a conservation imperative. AAAS Selected Symposium #87. Westview Pr Co. p 131–64

Wilson EO 1984. Biophilia. Cambridge MA: Harvard Univ Pr.

Wilson EO. 1992. The diversity of life. Cambridge MA: Harvard Univ Pr. p 345.

Wood P. 1997. Biodiversity as the source of biological resources. Envir Val 6:251–68.

Worster D. 1985. A sense of soil: agricultural conservation and American culture. Agric Human Val Fall:28–35.

WRI [World Resources Institute]. 1987. World resources 1987. New York NY: Basic Books.

WRI [World Resources Institute]. 1994. World resources 1994–95. New York NY: Oxford Univ Pr.

Yamaguchi K. 1996. Recent advances in microalgal bioscience in Japan, with special reference to utilization of biomass and metabolites: a review. J Appl Phycol 18:487–502.

Zaslowsky D. 1995. The battle of Boulder. Wilderness 58:25–33.

Zilinskas RA, Colwell RR, Lipton DW, Hill R. 1995. The global challenge of marine biotechnology: a status report on marine biotechnology in the United States, Japan, and other countries. College Park MD: The Maryland Sea Grant Prog. 372 p.

The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement