Garden owners can now use the biodiversity index to test the extent to which their garden contributes to biodiversity. “This is the first test to use scientific findings in a simple, user-friendly format,” explains first author Esther Felgentreff. She conducts her research alongside Markus Bernhardt-Römermann at the University of Jena, iDiv, and the Senckenberg Institute for Plant Form and Function (SIP). “The Garden Biodiversity Index is designed so that even laypeople can carry it ou...