LEVANTAMENTO DA ARBORIZAÇÃO URBANA DO MUNICÍPIO DE ALTÔNIA - PR A STUDY OF URBAN AFFORESTATION IN THE CITY OF ALTÔNIA - PR

Urban green areas play important roles in the environmental quality of cities, such as microclimate stabilization, heat islands reduction, air and sound pollution reduction, among other functions. The aim of this study was to develop a quantitative afforestation analysis of the public roads of the neighborhoods and downtown area of the city of Altonia – PR, and provide elements for the planning and application of mitigation measures for the afforestation plan of the city. To this end a survey of the trees in the streets and parks of the neighborhoods and downtown area of the city was carried out. The methodology consisted in the identifi cation “ in loco” of the species according to Lorenzi (1999; 2202; 2003), and the statistical analysis of the data. A total of 5,008 plants were identifi ed, the most frequent species identifi ed were: sibipiruna ( Caesalpinia peltophoroides) representing (32,61%) of the plants, followed by the privet ( Ligustrum lucidum) representing (19,13%), oiti ( Licania tomentosa) representing (17,21%), and monguba (Pachira aquatica Aubl) representing (12,70%). All these plants make up 81,65% of all tree species catalogued.