Species that has been introduced on purpose or spread in the wild threaten livelihoods in agriculture or water resources. As illustrated in this map, some regions of South Africa have very high ratios of invasive alien plants and are subject to government projects to limit the distribution and information campaigns informing the public.
          
            Year: 2006
            From collection: African Environment Collection
            
              Cartographer:
              Hugo Ahlenius
            
            
              Tags:
                
                  Africa
                
                  collections
                
                  Environment