Zheng-hong Kong (China) – Urban Biodiversity Research and

1.3 Biodiversity in Cities
non-native species
Eichhirnia crasslpes were introduced to
China to help purify water body in cities
in 1950s. It soon became invasive and
difficult to get rid of.
Human population growth and
naturalized plants in Berlin (Sukopp
& Wurzel 2003)
Ref.: e. g. Fine & Christoforides 1991, Kowarik 2003, Sukopp&Wurzel 2003