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Plant diversity in urban green spaces led to sevenfold increase in insect species New research suggests that the introduction of even small green urban spaces can dramatically improve local biodiversity. A study lead by Dr Luis Mata of the University of Melbourne and Cesar Australia examined the ecological outcomes of planting 12 indigenous plant species on a small 195 square metre plot in Melbourne, adjacent to a major road. The research, Mata told The Guardian, “Was conducted in a very densely urbanised area, completely surrounded by streets and relatively tall buildings, and with limited access to surrounding green space.” The researchers identified the presence of 94 insect species, with 91 indigenous to the Australian state of Victoria. They estimated that by the final year of the study there were about …