Edited sentence: A number of conservation programmes have been established here to protect native trees.Many of the city's avenues have been planted with different tree species.One striking example of this is Teresópolis Avenue, where bottle trees have been planted.The city is covered in green vegetation and Lapacho and Jacaranda are the main species that can be found here.The trees from the hills are protected.The vegetation of the city is the subtropical forest.Two environmental conservation areas can be found in this city: "Delta do Jacuí" (Jacuí Delta) State Park and Lami Biological Reserve