Contingent valuation and biodiversity: measuring the user surplus of Kenyan protected areas Dominic Moran Papers Pages: 663 - 684
Vascular plant species counts in the rain forests of the middle Caquetá area, Colombian Amazonia J. F. Duivenvoorden Papers Pages: 685 - 715
Distribution and conservation of Afrotropical Graptomyza Wiedemann, with a new species description (Diptera: Syrphidae: Volucellini) A. E. Whittington Papers Pages: 716 - 733
Approaches to valuing plant medicines: the economics of culture or the culture of economics? Katrina Brown Papers Pages: 734 - 750
Conservation of Bolivian flora: representation of phytogeographic zones in the national system of protected areas Luis F. PachecoJavier A. Simonetti Papers Pages: 751 - 756