1. School of Ecosystem and Forest Sciences; Faculty of Science; The Univ. of Melbourne; 500 Yarra Blvd. Richmond Victoria 3121 Australia
2. Urban Ecosystems and Social Dynamics Program, Pacific Southwest Research Station; 1731 Research Park Dr. Davis CA 95618 USA
3. Institute of Agro-Environmental & Forest Biology (IBAF); National Research Council (CNR); Via Marconi 2 Porano 05010 Italy
4. Czechglobe, Global Change Research Centre, Academy of Sciences of the Czech Republic; v. v. i., Bělidla 986/4a 603 00 Brno Czech Republic