Preliminary assessment of the urban forest in the Pinheira region, Palhoça – SC, Brazil Vladimir Stolzenberg Torres

Abstract

As a general rule, urban vegetation has to be species that, according to classical concepts, are considered as native and / or exotic, although this issue should be considered irrelevant within an artificial ecosystem. Thus, the study inventoried the species that occur in private areas, in the urban center of Pinheira, Palhoça (SC) county, identifying tree species present there their interrelations. Two hundred and fifty-two individuals, comprising sixty morphospecies, twenty-eight families, were inventoried, the most representative being Arecaceae with eight morphospecies, followed by Myrtaceae and Fabaceae, respectively with seven and six morphospecies. The Jentsch Mixing Coefficient, used to express the floristic composition by measuring the mixing intensity of the species, generated a quotient of 0.2381 or 1:4.2, there are mathematically four individuals of each species on average. By realizing the occupation of geographical space, thus generating the urban process, the human being brings with him new plant species that did not exist before, even in the region, thereby creating landscapes - “human forests” - that little or nothing resemble the landscape natural and original of the region!