The concentration of heavy metals in plants’ leaves can effectively indicate the spatiotemporal differences environmental pollution, providing a scientific basis for monitoring urban air quality. Ni, Cu, Cd, Pb and Zn five different species (Ophiopogon japonicus, Ligustrum vicaryi, Platanus acerifolia, Sophora japonicaand Cedrusdeodara) were measured, which from I, II, III, IV (0.05 m, 0.25 1 4...
