“…It is expected that in the next 50 years two-thirds of humanity will live in cities (United Nations Population Division, 2009), impacting natural habitats and reducing biodiversity (McKinney, 2006;Pickett et al, 2011). Therefore, urban ecology is gaining more interest as a tool for making urban landscapes more environmentally friendly (Gidlöf-Gunnarsson & Öhrström, 2007;Rodiek, 2010aRodiek, , 2010b. Initiatives such as green roofs (Dvorak & Volder, 2010), vertical gardens or the increase in urban greenspace improve the environmental quality of cities (Bentrup, 2008).…”