ECONOMIC ASSESSMENT OF ENVIRONMENTAL HYDROLOGICAL SERVICES OF NATIVE FOREST IN THE SCHWARZENBERG BROOK WATERSHED, ELDORADO, MISIONES

Mario José Mantulak, Juan Antonio Martínez Duarte, Orlando Ernesto Arendhardt, Julio César Bernio, Ricardo Joaquín Wanderer, Oscar Martín Martínez

Resumen


The problem of this research is to determine the economic value that the people from
Eldorado assign to hydrological services of the native forests. The general objective of this project
is to evaluate the hydrological environmental services that native forests provide to the
Schwarzenberg watershed, for a forest restore project. The following activities have already been
developed: a compilation of antecedents; characterization of the present watershed´s condition;
the determination of protection services provided by the native forests; and the economic valuation
of environmental service, using the contingent valuation method.
The results indicate that the eldoradenses have assigned a monetary value of 2,025 pesos
per hectare per year to the environmental service, and the conclusion was that without the
surrounding protective forest, the maximum flow and the torrential condition of the basin increase.
Families are willing to pay for the hydrological environmental services that native forests provide to
the basin; and it is recommended to do more studies to outline a payments system for
environmental services, considering that the Schwarzenbergs watershed drains into the Piray Mini
stream, a short distance upstream from the outlet of the public water supply system of Eldorado.

Palabras clave


Valuation, Environmental Services, Protection, Watersheds; Native Forests

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