[1] Catholic Univ Louvain, Dept Geog, B-1348 Louvain, Belgium
[2] Clark Univ, George Perkins Marsh Inst, Worcester, MA 01610 USA
[3] Univ Ibadan, Ctr Urban & Reg Planning, Ibadan, Nigeria
[4] Agr Univ Norway, Dept Econ & Social Sci, N-1432 As, Norway
[5] Univ Wisconsin, Land Tenure Ctr, Madison, WI 53715 USA
[6] McGill Univ, Dept Geog, Montreal, PQ H3A 2K6, Canada
[7] Univ Nacl Autonoma Mexico, Inst Ecol, Mexico City 04510, DF, Mexico
[8] Int Inst Appl Syst Anal, A-2361 Laxenburg, Austria
[9] Univ Stockholm, Dept Syst Ecol, S-10691 Stockholm, Sweden
[10] Ctr Dev Studies, Trivandrum 695011, Kerala, India
[11] UCL, Dept Anthropol, London WC1E 6BT, England
[12] Ctr Cooperat Int Rech Agron Dev, F-34032 Montpellier, France
[13] Natl Inst Publ Hlth & Environm, Bur Environm & Nat Assessments, NL-3720 BA Bilthoven, Netherlands
[14] Chinese Acad Sci, Inst Geog, Beijing 100101, Peoples R China
[15] Indiana Univ, Ctr Study Inst Populat & Environm Change, Bloomington, IN 47405 USA
[16] Drylands Res, Crewkerne TA18 7LG, Somerset, England
[17] Jawaharlal Nehru Univ, Sch Environm Sci, New Delhi 110067, India
[18] Duke Univ, Dept Hist, Durham, NC 27701 USA
[19] Stockholm Univ, Dept Phys Geog, S-10691 Stockholm, Sweden
[20] Royal Swedish Acad Sci, Int Geosphere Biosphere Programme, S-10405 Stockholm, Sweden
[21] Washington Univ, Dept Anthropol, St Louis, MO 63130 USA
[22] Swedish Council Planning & Coordinat Res, S-10387 Stockholm, Sweden
[23] Wageningen Univ Agr, Lab Soil Sci & Geol, NL-6700 AA Wageningen, Netherlands
[24] Univ Witwatersrand, Dept Geog & Environm Studies, ZA-2050 Johannesburg, South Africa
[25] Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China