Contents 



FOREWORD vii 



PREFACE ix 



Part 1 



1. INTRODUCTION 1 



2. THE VALUE OF INLAND WETLANDS 3 



Hydrologic Role 3 



Productivity 4 



Oxygen Production and Nutrient Recycling 5 



Pollution Filtration 6 



Education and Recreation 7 



3. ENCROACHMENTS ON WETLANDS 9 



4. CLASSIFICATION OF INLAND WETLANDS 13 



Fresh-Water Wetland Types 15 

 Saline Wetland Types 19 



