Since 1980 the importance of hydrological processes in ecosystems and the effect of plants on hydrological processes have become increasingly apparent. These relationships can be grouped under the term eco-hydrology. This work introduces and explores diverse plant-water interactions in a range of environments. Ecologists and hydrologists present reviews of the eco-hydrology of drylands, wetlands, temperate and tropical rain-forests, streams, and rivers and lakes. The authors present background information on the water relations of plants, from individual cells to strands, together with a review of scale issues and the role of mathematical models in eco-hydrology. The book offers an overview of the complex relationships between plants and water across a range of terrestrial and aquatic environments, and should prove useful as an introduction to hydrologists, ecologists, conservationists and others studying ecosystems, plant-life and hydrological processes.