Environmental livelihood security in Southeast Asia and Oceania: a water-energy-food-livelihoods nexus approach for spatially assessing change. White paper - Biggs, E.M.; Boruff, B.; Bruce, E.; Duncan, J.M.A.; Haworth, B.J.; Duce, S.; Horsley, J.; Curnow, Jayne; Neef, A.; McNeill, K.; Pauli, N.; Ogtrop, F.van; et al. (International Water Management Institute, 2014)