Along the Rousty Canal, a tree lane protects the walkers from the wind and the heat of the sun. It is composed of tamarisks, ash trees, pine nuts, elm trees, bohemian olive trees, black locust trees, dogwoods. The canes of Provence and the atriplex massifs form biological corridors and reservoirs of biodiversity. Bat chiroptera (bats) find their hunting areas in particular after dark.