1. Conservation Biogeography and Macroecology Programme; School of Geography and the Environment; University of Oxford; Oxford OX1 3QY UK
2. CE3C - Centre for Ecology, Evolution and Environmental Changes / Azorean Biodiversity Group and Universidade dos Açores, Departamento de Ciências Agrárias; Angra do Heroísmo Açores 9700-042 Portugal
3. Department of Ecology and Taxonomy; Faculty of Biology; National and Kapodistrian University; Athens GR-15784 Greece
4. Environment and Microbiology Team; Université de Pau et des Pays de l'Amour; Pau Cedex 64013 France
5. Center for Macroecology, Evolution and Climate; Department of Biology; University of Copenhagen; Copenhagen Ø DK-2100 Denmark
6. IRD UMR 9190 MARBEC, IRD-CNRS-IFREMER-UM; Université de Montpellier; Montpellier 34095 France