Contents: Towards an Ecotone Perspective, H Decamps & RJ Naiman; The Ecological Importance of Land-Water Ecotines, PG Risser; Ecological Models and the Ecotone, HH Shugart; External Processes Influencing Origin and Maintenance of Inland Water-Land Ecotones, J Salo; Landscape Disturbances and Lotic Ecotones, RC Wissmar and FJ Swanson; Internal Processes Influencing the Maintenance of Ecotones: Do They Exist? WE Odum; Lentic Aquatic-Terrestrial Ecotones: Their Structure, Functions and Importance, E Pieczynska; Functions of Ecotones in Fluvial Systems, G Pinay, H Decamps, E Chauvet & E Fustec; The Characteristics of Wetland Ecotones, MM Holland, DF Whigham & B Ghopal; Surface Water-Groundwater Ecotones, J Gilbert, M Dole-Olivier, P Marmonier & P Vervier; The Role of Ecotones in Aquatic Landscape Management, GE Petts; The Socio-Economic Value of Ecotones, B Desaigues; Aquatic-Terrestrial Ecotones: Summary & recommendations, R Naiman & H Decamps.