Analytical approaches for assessing ecosystem condition and human well-being - DeFries, Ruth S; Pagiola, Stefano; Adamowicz, W. L.; Akcakaya, H. Resit; Arcenas, Agustin; Babu, Suresh Chandra; Balk, Deborah; Confalonieri, Ulisses; Cramer, Wolfgang; Falconi, Fander; Fritz, Steffen; Green, Rhys; et al. (Island Press, 2005)