Collinearity: a review of methods to deal with it and a simulation study evaluating their performance

C. F. Dormann ([email protected]), B. Gruber and S. Lautenbach, Helmholtz Centre for Environmental Research-UFZ, Dept of Computational Landscape Ecology, Permoserstr. 15, DE-04318 Leipzig, Germany. CFD also at: Biometry and Environmental System Analysis, Tennenbacher Stra ß e 4, Univ. Freiburg, DE-79085 Freiburg, Germany. BG also at: Inst. for Applied Ecology, Faculty of Applied Sciences, Univ. of Canberra, ACT 2601, Australia. SL also at: Univ. of Bonn, Inst. of Geodesy and Geoinformation, Dept Urban Planning and Real Estate Management, Nussallee 1, DE-53115 Bonn, Germany. – J. Elith, School of Botany, Th e Univ. of Melbourne, Parkville, VIC 3010, Australia. – S. Bacher, Univ. of Fribourg, Dept of Biology, Unit of Ecology and Evolution, Chemin du Mus é e 10, CH-1700 Fribourg, Switzerland. – C. Buchmann, Univ. of Potsdam, Plant Ecology and Nature Conservation, Maulbeerallee 2, DE-14469 Potsdam, Germany. – G. Carl, Helmholtz Centre for Environmental Research-UFZ, Dept of Community Ecology, Th eodor-Lieser-Str. 4, DE-06120 Halle, Germany. – G. Carr é , Inra Paca, Domaine Saint-Paul, Site Agroparc, FR-84914 Avignon, France. – B. Lafourcade and T. M ü nkem ü ller, Laboratoire d’Ecologie Alpine, UMR-CNRS 5553, Univ. J. Fourier, BP 53, FR-38041 Grenoble Cedex 9, France. – J. R. Garc í a Marqu é z, Senckenberg Research Inst. and Natural History Museum, Biodiversity and Climate Research Centre (LOEWE Bik-F), Senckenberganlage 25, DE-60325 Frankfurt/Main, Germany. – P. J. Leit ã o, Geomatics Lab, Geography Dept, Humboldt-Univ. Berlin, Rudower Chaussee 16, DE-12489 BerlinAdlershof, Germany. PJL also at: Centre for Applied Ecology, Inst. of Agronomy, Technical Univ. of Lisbon, Tapada da Ajuda, PT-1349 -017 Lisboa, Portugal. – C. McClean, Environment Dept, Univ. of York, Heslington, York YO10 5DD, UK. – P. E. Osborne, Centre for Environmental Sciences, Faculty of Engineering and the Environment, Univ. of Southampton, Highfi eld, Southampton SO17 1BJ, UK. – B. Reineking, Biogeographical Modelling, BayCEER, Univ. of Bayreuth, Universit ä tsstr. 30, DE-95447 Bayreuth, Germany. – B. Schr ö der, Inst. of Earth and Environmental Sciences, Univ. of Potsdam, Karl-Liebknecht-Str. 24/25, DE-14476 Potsdam, Germany. BS also at: Landscape Ecology, Technische Univ. München, Emil-Ramann-Str. 6, DE-85354 Freising, Germany. – A. K. Skidmore, ITC, Univ. of Twente, PO Box 217, NL-7000 AE Enschede, the Netherlands. – D. Zurell, Univ. of Potsdam, Plant Ecology and Nature Conservation, Maulbeerallee 2, DE-14469 Potsdam, Germany. DZ also at: Inst. of Earth and Environmental Sciences, Univ. of Potsdam, Karl-Liebknecht-Str. 24/25, DE-14476 Potsdam, Germany.