Abstracts of presentations given on Tuesday, 12 July 2005 in session 12 of the UCOWR conference.


We examine restoration efforts on the Middle Rio Grande in New Mexico aimed at tamarisk/Russian olive eradication for water savings and habitat enhancement, cutting, chaining and herbicide use to reduce fire risk and increase recreational opportunities. We also consider changes in the economic value of ecosystem services due to restoration and economic development activities on the San Pedro River Basin, AZ, a system with wellconnected surface and groundwater sources. We employ stated and revealed preference techniques in quantifying values.