Valoração econômica dos ativos ambientais provenientes da arborização da cidade de Manaus – AM

Abstract

This research deals with the economic valuation of environmental assets derived from reforestation of the city of Manaus. Was drawn from the following guiding problematic: the urban population of the city of Manaus-AM realizes the value associated with environmental assets derived from reforestation of public thoroughfares of the city? The study was structured based on the following general objective: to show whether people realize the economic value associated with environmental assets arising from urban trees in Manaus. As an outcome, were outlined specific objectives of the work: check if there willingness to pay on the part of the respondents with regard to urban areas of Manaus; determine the value of willingness to pay for the environmental benefits of urban trees in Manaus; relate cause effect of socioeconomic variable in relation to the value of willingness to pay estimated. Was taken as a starting point two hypotheses: H0: the population of Manaus did not realize the economic value of environmental assets derived from reforestation of the city of Manaus (WTP = 0); H1: the population of Manaus realize the economic value of environmental assets derived from reforestation of the city of Manaus (WTP ≠ 0). To estimate the DAP questionnaires to a group of 270 respondents, applied the six administrative districts of the city of Manaus-AM, involving selected aged above 18 years were applied. The WTP values suggested were estimated based on a pre-test in which the respondent stipulated the monetary value that would be willing to pay. The estimate of DAP was made from the use of linear models probability (MPL), and logistical probit (model Iogit), as well as logit model. As for the results, it was found that the population perceives the economic value associated with environmental assets arising from urban trees in Manaus, with a median value of willingness to pay for the environmental benefits of urban trees of R $ 39.53 monthly, for interviewee. The findings also showed that among all variables considered, only age was introduced as a determinant for the willingness of respondents to accept the DAP.