Economic valuation of environmental resources for international Gomishan Wetland by Contingent Valuation Method (CVM) to determine its protective applications

Existence value of Gomishan international wetland was determinate using Contingent Valuation Method. The study was carried out using surveying the native as well as non-native populations. Questionnaires were completed in random-systematic sampling manner. Results showed that income and education level
had the highest impact on Willingness to pay for conservation of wetland. Existence value of the wetland as measured based on mean willingness to pay for native
and non-native habitant was estimated at 15537056.3 and 2824249276 Rials, respectively. The economic value of the wetland, based on annual fishing revenue (common carp, kutum, vobla, zander and mullets) in the wetland, was estimated at 87000000 Rials. The economic value of game birds, based on their population and meat price, was estimated at 16000650 Rials. according to the international confirmed indexes, the economic value of the wetland for different functions (flood control, water supply, habitat for native and immigrant species, raw materials supply, Eco-tourism and cultural value), was estimated as $ 201960002.1 per hectare.