Methods in Comparative Functional Ecology C.M. Duarte Opportunistic Growth and Desiccation Tolerance: The Ecological Success of Poikilohydrous Autotrophs L. Kappen and F. Valladares Ecological Significance of Inherent Variation in Relative Growth Rate H. Poorter and E. Garnier The Architecture of Plant Crowns: From Design Rules to Light Capture and Performance F. Valladares and U. Niinemets Structure and Function of Root Systems R.B. Jackson, W.T. Pockman, W.A. Hoffmann, T.M. Bleby, and C. Armas Water Relations and Hydraulic Architecture M.T. Tyree Responses of Plants to Heterogeneous Light Environments R.W. Pearcy Acquisition, Use, and Loss of Nutrients F. Berendse, H. de Kroon, and W.G. Braakhekke Functional Attributes in Mediterranean-Type Ecosystems R. Joffre, S. Rambal, and C. Damesin Tropical Forests: Diversity and Function of Dominant Life-Forms E. Medina Plant Diversity in Tropical Forests S.J. Wright Arctic Ecology, S.E. Hobbie Plant Life in Antarctica T.G.A. Green, B. Schroeter, and L.G. Sancho Facilitation in Plant Communities R.M. Callaway and F.I. Pugnaire Plant Interactions: Competition H.L. Reynolds and T.K. Rajaniemi Plant-Herbivore Interaction: Beyond a Binary Vision E. Baraza, R. Zamora, J.A. Hodar, and J.M. Gomez Ecology of Plant Reproduction: Mating Systems and Pollination A. Traveset and A. Jakobsson Seed and Seedling Ecology K. Kitajima Biodiversity and Interactions in the Rhizosphere: Effects on Ecosystem Functioning, S. Rodriguez-Echeverria S.R. Costa, and H. Freitas Resistance to Air Pollutants: From Cell to Community J. Barnes, A. Davison, L. Balaguer, and E. Manrique-Reol Canopy Photosynthesis Modeling W. Beyschlag and R.J. Ryel Ecological Applications of Remote Sensing at Multiple Scales J.A. Gamon, H.-L. Qiu, and A. Sanchez-Azofeifa Generalization in Functional Plant Ecology: The Species-Sampling Problem, Plant Ecology Strategy Schemes, and Phylogeny M. Westoby