... 238 GIS for environmental decision- making 14 .7 REFERENCES 1. European Commission, Toward Sustainability, 5th Environmental Action Programme199 3-2 000, OJ C 138, 17/ 5/93, European ... scenic beauty of forest vistas, Journal of Environmental Psychology, 21, 6 1 -7 2, 2001. 24. O’Neill, J. and Spash, C.L., Conceptions of Value in Environmental Decision- Making, Environmental Valuation ... Urban Planning, 54, 13 9-1 48, 2001. 28. Appleton, K. and Lovett, A., GIS- based visualisation of rural landscapes: defining ‘sufficient’ realism for environmental decision- making, Landscape and...