Diversity and structure of woody vegetation in the town of Malanville in northern Benin.
Urban vegetation has the potential to meet many challenges environmental issues related to the sustainability of cities. The objective of this study was to characterize the woody vegetation of Malanville. The phytosociological survey method was used for data collection. Stratified random sampling allowed the installation of 300 square plots of 1 ha, randomly generated by the "Data Management" tool of the ArcGIS 10.5 software, following a meshing of the urban framework. The work enabled the enumeration of 68 woody species distributed in 58 genera and 33 families. The floristic diversity is relatively low and varies significantly (p < 0.05) according to land use units (specific richness: 2.75 to 6.75; Shannon's diversity: 0.83 to 1.64 bits; Pielou's equitability: 0.48 to 0.63). The structure parameters decrease significantly (p < 0.01) according to the land use units (mean density: 6.56 to 59.25 N/ha; basal area: 0.77 to 4.52 m2/ha; mean circumference: 90.7 to 121.17 cm). The town of Malanville has an important floristic biodiversity, 61% of which is made up of exotic species. In the search for local solutions to the impacts of climate change, this study is an asset for the conservation of urban woody vegetation, enabling the construction of more sustainable, attractive and greener cities.