Métodos de valoração de árvores urbanas aplicados ao município de Dois Vizinhos - PR

Abstract

The environmental, social and economic services offered by urban trees have become an important source of study, and their monetary valuation is an important tool as a source of information regarding the cost of individual urban trees. The present study aims at the application of different methods of monetary evaluation in order to obtain the value of the trees present in the São Francisco Xavier and Centro Norte districts in the municipality of Dois Vizinhos - PR, aiming at the representation of the economic service provided by the trees present in urban environment in order to develop the conservationist sense of public management and of the entire population in general. The methodology involved the application of two valuation methods; the US method known as the Council of Tree and Landscape Appraisers (CTLA); and the brazilian method, both involving the use of formulas. The results found for the North American method (CTLA) of all 121 valued trees of the São Francisco Xavier neighborhood and which were subdivided by 15 species was R$ 1,047,061.20 and the sum of all valued trees was R$ 1,546,878.23 in the Centro Norte neighborhood for the 10 species; for the brazilian method developed by Silva Filho et al .; (2010), the monetary value for the São Francisco Xavier neighborhood was obtained; in the total amount of R$ R$ 75.792.246,07 and for the valued trees of Bairro Centro Norte, a total of R$ 115,985,022.53 was added. It was concluded that tree valuation is possible to obtain the symbology of the importance of the tree individuals present in the neighborhoods, besides being a great public sector awareness tool and the residents of the city regarding the importance of the presence of trees in an urban environment.