208 • Wetlands: Their Use and Regulation 



Institute for Water Resources, 142, 147, 153, 154, 155, 

 156, 159, 160 

 U.S. Fish and Wildlife Service (FWS), 10, 12, 18, 19, 25, 

 38, 56, 70, 71, 74, 75, 76, 83, 84, 87, 90, 112, 134, 

 158, 167, 195 



values and uses, 4-8 



intrinsic qualities and ecological services, 4, 5 



trends in wedand use, 7 



wetland conversions, 5 

 Virginia, 46, 84 



Washington, 25, 55, 99, 108, 178 

 Waterways Experiment Station (WES), 

 Wharton, C. H., 42 

 Watt, James, Secretary of Interior, 84 

 West Virginia, 40 



76 



wedand trends, 87-113 



national trends— loss and gain, 87-91, 112 

 factors affecting wedand loss, 88 

 trend information, 90 

 vegetated wetlands, 91 



agricultural conversions, 108 



economic factors, 1 1 1 

 freshwater wetlands, 91 

 regional trends, 94 



agricultural conversions of wetlands, 100 

 case studies, 98 

 wetland losses, 106 

 saltwater wedands, 93 

 wetland vegetation, 28 

 Wisconsin, 25, 51, 56, 78, 83, 94, 130 

 Wisconsin scientific areas program, 43 

 Wyoming, 194 



