This book is intended as a practical guide to scientific, legal and technical issues concerning wetlands. It attempts to combine several different perspectives on the subject of wetlands, and show the interrelationships between the various professions which deal with wetland issues. Starting with a general overview of the subject, this book contains chapters on: Ecological Principles of Wetland Ecosystems; Freshwater Wetlands; Estuarine Wetlands; Field Recognition and Delineation of Wetlands, Problem Wetlands for Delineation; Regulatory Framework; Wetland Migration; and Assessing Risks to Ecological Resources in Wetlands and Restoration and Creation of Wetlands.