Invasion of Acacia mangium in Amazonian savannas following planting for forestry

摘要: Background : No studies have examined the invasion of exotic species used for forestry purposes in savannas Brazilian Amazonia. Aims We investigated process Acacia mangium savanna areas adjacent to large-scale plantations north-eastern Roraima State, Methods A tree inventory record presence all A. and native individuals was carried out 14 plots (each 50 m width 1500 m length) established at five plantation sites. Biometric measurements were taken identify their structure maturity. Distance categories created determining frequency occurrence 100 m sections along individuals. Correlations goodness-of-fit tests discrete data ordered applied verify plants relation distance from plantation. Results Individuals dispersed up 900 m edge 8–9...