| Özet: | This study aims to contribute to the assessment prior to the design of a payments scheme for environmental services by estimating the opportunity costs (OC) related to renounce to agricultural activities in order to conserve or restore the moorland area and wetland protection zone in the Tota lake basin, located in Boyacá, Colombia. Strategic areas and ecosystems of the basin were identified and a socio-economic analysis of production units of the area was carried out, identifying the most representative land uses. Subsequently, the authors estimated the production functions of the main currently crops to calculate net current value of the opportunity cost of the watershed property areas for 5- and 10-years contracts. Finally, it is concluded on the possibilities of implementation of schemes of the kind of environmental services payment in that basin, according to the reviewed literature and the analysis of results.
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