Introduction

• 1 January 1973
• book chapter
• Published by Springer Nature
• p. 1-2
• https://doi.org/10.1007/978-94-010-2692-5_1

Abstract

Keywords

• LAND USE
• RIVER
• BIOTIC
• WATERCOURSES
• LITTLE VALUE
• LOTIC LIMNOLOGY
• UNIT ECOSYSTEM
• AGRICULTURAL WATER
• REFERENCE STANDARD
• DRAINAGE AREA