1. Section for Ecoinformatics and Biodiversity, Dept of Bioscience; Aarhus Univ.; Ny Munkegade 114-116 DK-8000 Århus C Denmark
2. Plant Ecology, Bayreuth Center of Ecology and Environmental Research (BayCEER); Univ. of Bayreuth; Bayreuth Germany
3. Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Dept of Bioscience; Aarhus Univ.; Aarhus Denmark