The Alemães Wood is an urban-area of 2 ha of tropical semideciduous forest situated in Campinas, state of São Paulo, Brazil (22º53' S and 47º04' W, 685 m elevation). A census of the arboreal vegetation (PBH > or = 15 cm) was carried out, in which 1937 individuals were recorded, being 1851 alive and 86 standing dead. One hundred and five species were identified, distributed in 43 families and 67 genera; 80 are native species and 25 introduced ones. The Shannon index was estimated as 3.45 nats.ind.¹. The families with the highest richness were Leguminosae, Myrtaceae, Moraceae, Rutaceae, Euphorbiaceae, and Bignoniaceae. The species with the highest IVC were Cryptocarya aschersoniana Mez, Piptadenia gonoacantha (Mart.) Macbr., and Eucalyptus tereticornis Smith. The total IVC of the introduced species was 31.17. Of the native species, 17 presented only one individual and 44 less than six. This paper discusses the risk of structural and floristic changes with both the high IVC of introduced species and low density of the native ones. Based on these findings, some handling measures for the conservation of this remnant are proposed.
Urban forest; floristic; phytosociology; management; conservation
