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Assessing the importance of a wetland is a complex procedure requiring a comprehensive analysis of all wetland values and functions. This document assesses eleven wetland functions used primarily to evaluate the effect of permit actions on wetlands.
Provides guidance to States on how to ensure effective application of water quality standards to wetlands. The basic requirements include: wetlands in the definition of 3State Waters2; designate uses for all wetlands; adopt aesthetic narrative criteria for wetlands; adopt narrative biological criteria for wetlands; and apply the State1s antidegradtion policy and implementation methods to wetlands. Charts and drawings.
The art of evaluating the functions and values of wetlands is relatively new. Traditionally wetlands have been recognized for their values as wildlife habitat. However, since the mid-1970's other wetland functions and values (e.g. floodwater storage, water quality improvement) have become increasingly important in the wetland evaluation decision-making process. The purpose of this wetland evaluation methodology is to provide a standard procedure to assist the professional in rapidly evaluating the many functions, values, and characteristics of wetlands. The computer program which accompanies this looseleaf manual has been designed as a menu driven program. It leads the user through each section and performs the more sophisticated mathematical calculations. The program requires as IBM-compatible personal computer and a math-co-processor chip. Some IBM-compatible machines include the Zenith, AT & T, and other PC 'clones.' The math co-processor chip is required to compute the inflow-outflow hydrographs for the flood flows section.