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Please use this identifier to cite or link to this item: http://dspace.utalca.cl/handle/1950/8975

Title: Comparison of Chilean and foreign formulae for urban tree appraisal
Other Titles: Comparación de fórmulas chilenas e internacionales para valorar el arbolado urbano
Authors: Ponce-Donoso, M.
Vallejos-Barra, O.
Daniluk-Mosquera, G.
Keywords: tree appraisal
non parametric analysis
urban forest
urban forestry
Issue Date: 2012
Citation: BOSQUE Volume: 33 Issue: 1 Pages: 69-81 DOI: 10.4067/S0717-92002012000100008
Abstract: The appraisal of urban trees is a practice adopted in diverse cities of world. This survey compared international formulae: Council of Tree Landscape Appraiser (CTLA), Burnley, Helliwell and Standard Tree Evaluation Method (STEM) and three Chilean methods applied in municipalities of Concepcion, La Pintana, Maip (COPIMA), Nunoa and Penalolen, in 14 different trees located in Talca city (Chile). The objective was to identify the differences and similarities of the monetary result in the application of these formulae, which was realized by a professional. These were analyzed using a non parametric variance test of Kruskal - Wallis and the multiple comparisons Duncan test. It was possible to determine that the Chilean formulae did not present statistically significant differences with the international formulae of Burnley and CTLA; whereas Penalolen and COPIMA formulae did not present any difference when contrasted with Helliwell. In addition, the STEM formula presented differences with all the Chilean analyzed formulae. In the valuation by tree, statistically significant differences were obtained, which showed the independence of the used formula. The exception was when being applied to emblematic species or to species that stand-out in some amenity. Likewise, it was observed that the basic value continues having a high impact in the appraisal final result and the use of the statistical test applied allows extending this type of analyses.
Description: Ponce-Donoso, M (reprint author), Univ Talca, Fac Ciencias Forestales, Casilla 747, Talca, Chile.
URI: http://dspace.utalca.cl/handle/1950/8975
ISSN: 0304-8799
Appears in Collections:Artículos en publicaciones ISI - Universidad de Talca

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