Preface.- 1.Introduction on resource ecology;Frank van Langevelde and Herbert H.T. Prins.- 2A. Mechanisms determining large-herbivore distribution ;Derek W. Bailey and Frederick D. Provenza.- 2B. Comments on 'Mechanisms determining large-herbivore distribution';Sipke E. van Wieren, Michael Drescher and Willem F. de Boer.- 3A. Spatial statistics to quantify patterns of herd dispersion in a savanna herbivore community;Alfred Stein and Nicholas Georgiadis.- 3B. Comments on 'Spatial statistics to quantify patterns of herd dispersion in a savanna herbivore community';Herbert H.T. Prins, Sipke E. van Wieren and Arend M.H. Brunsting.- 4A. Resource distribution and dynamics: mapping herbivore resources;Andrew K. Skidmore and Jelle G. Ferwerda.- 4B. Comments on 'Resource distribution and dynamics:mapping herbivore resources';Herbert H.T. Prins, Willem F. de Boer and Frank van Langevelde.- 5A. Foraging in a heterogeneous environment: intake and diet choice;Emilio A. Laca.- 5B. Comments on 'Foraging in a heterogeneous environment:intake and diet choice';Michael Drescher, Herbert H.T. Prins and Arend M.H. Brunsting.- 6A. Predictive modelling of patch use by terrestrial herbivores;John M. Fryxell.- 6B. Comments on 'Predictive modelling of patch use by terrestrial herbivores';Ignas M.A. Heitkoenig, Michael Drescherand Willem F. de Boer.- 7A. Assembling a diet from different places;Herbert H.T. Prins and Frank van Langevelde.- 7B. Comments on 'Assembling a diet from different places';Iain J. Gordon.- 8A. Effects of temporal variability in resources on foraging behaviour;Norman Owen-Smith.- 8B. Comments on 'Effects of temporal variability in resources on foraging behaviour';Willem F. de Boer and Arend M.H. Brunsting.- 9A. Large-scale movements of large herbivores: livestock following changes in seasonal forage supply;Randall B. Boone, Shauna B. BurnSilver, Jeffrey S. Worden,Kathleen A. Galvin and N. Thompson Hobbs.- 9B. Comments on 'Large-scale movements of largeherbivores:livestock following changes in seasonal forage supply';Willem F. de Boer, Thomas A. Groen, Ignas M.A. Heitkoenig and Koen Kramer.- 10A. Relevance of key resource areas for large-scale movements of livestock;Paul Scholte and Joost Brouwer.- 10B. Comments on 'Relevance of key resource areas for largescale movements of livestock';Herbert H.T. Prins, Arend M.H. Brunsting and Frank van Langevelde.- 11A. Structuring herbivore communities: the role of habitat and diet;Sipke E. van Wieren and Frank van Langevelde.- 11B. Comments on 'Structuring herbivore communities: the role of habitat and diet';Herbert H.T. Prins, Arend M.H. Brunsting and Willem F. de Boer.- 12. Prospects for further development of resource ecology;Herbert H.T. Prins and Frank van Langevelde.- List of references.- List of contributors