[1
]Research Unit Community Ecology; Swiss Federal Institute for Forest, Snow and Landscape
Research; Birmensdorf Switzerland
[2
]Terrestrial Ecology Unit; Department of Biology; Ghent University; Ghent Belgium
[3
]Research Unit Biodiversity and Conservation Biology; Swiss Federal Institute for Forest,
Snow and Landscape Research; Birmensdorf Switzerland
[4
]School of Earth, Environmental and Biological Sciences; Queensland University of Technology;
Brisbane Qld Australia
[5
]PXL-Tech; PXL University College; Hasselt Belgium
[6
]Institute of Environmental Engineering; Department of Civil, Environmental and Geomatic
Engineering; ETH Zurich; Zurich Switzerland