Wetlands Research Program. Wetland Evaluation Technique (WET). Volume 2. Methodology.
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ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS ENVIRONMENTAL LAB
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This manual outlines a Wetland Evaluation Technique WET for the assessment of wetland functions and values. WET is a revision of the method developed for the Federal Highway administration FHWA that has often been referred to as the Federal Highway Method or the Adamus Method . Wetland functions are the physical, chemical, and biological characteristics of a wetland. Wetland evaluates the following functions and values ground water stabilization, sedimenttoxicant retention, nutrient removaltransformation, production export, wildlife diversityabundance, aquatic diversityabundance, uniquenessheritage, and recreation. WET evaluates functions and values in terms of social significance, effectiveness, and opportunity. Social significance assesses the value of a wetland to society in terms of its special designations, potential economic value, and strategic location. Effectiveness assesses the capability of a wetland to perform a function because of its physical, chemical or biological characteristics. Opportunity assesses the opportunity of a wetland to perform a function to its level of capability. WET was designed primarily for conducting an initial, rapid assessment of wetland functions and values.