How Much Biodiversity does Natura 2000 Cover?. Issue 6 (12th June 2013) - Hochkirch, Axel; Schmitt, Thomas; Beninde, Joscha; Hiery, Marietta; Kinitz, Tim; Kirschey, Jenny; Matenaar, Daniela; Rohde, Katja; Stoefen, Aleke; Wagner, Norman; Zink, Andreas; Lötters, Stefan; et al.