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ALMEIDA, Danielucia Noya and RONDON NETO, Rubens Marques. Urban forestry analysis in three cities of northern Mato Grosso. Acta Amaz. [online]. 2010, vol.40, n.4, pp. 647-656. ISSN 0044-5967. http://dx.doi.org/10.1590/S0044-59672010000400003.
The objective of the present study was to analyze roadside forestry in three cities in the northern region in the State of Mato Grosso. The cities evaluated were Alta Floresta, Carlinda and Nova Monte Verde. We made a survey of 663 individuals, distributed in 20 botanical families, 30 genera and 31 species. Over 51.6% of this species are exotic to the Brazilian flora and 48.4% native. The species most frequent in the evaluated cities had been: Licania tomentosa (45.4%), Ficus benjamina (18.1%) and Roystonea oleraceae (13.6%). In the three cities, more than 80% of the population had got diameter at the height of the ground inferior to 0.4 m and more than 60% of the population had lass than of 6.0 m de total height, in all the cities. The individuals under the electric wiring represent fewer than 50% of the population, in the two sampled cities, and average height of the trees, under the wiring was of 3.2 m (Nova Monte Verde) and 5.9 m (Alta Floresta). More than 85% of the individuals had presented bifurcation below of 1.8 m. The density of trees/km of sidewalk estimate in the evaluated cities varied between 47.7 trees/km (Alta Floresta) and 56.0 trees/km (Carlinda). The Shannon diversity index estimate was 1.17 (Carlinda), 1.75 (Nova Monte Verde ) and 1.76 (Alta Floresta). The width of the streets and showed recesses allows the planting of species of medium to larger size. However, it is essential for the planning of urban forestry, definition of criteria and techniques appropriate to the accomplishment of planting and maintenance.
Keywords : roadside reforestation; Alta Floresta; Carlinda; Nova Monte Verde.