Temporal variability of ecological niches: a study on intertidal macrobenthic fauna

C. Kraan ([email protected]) and C. F. Dormann, Dept of Computational Landscape Ecology, UFZ Centre for Environmental Research, Permoserstr. 15, DE-04318 Leipzig, Germany. Present address for CK: National Inst. of Water and Atmospheric Research, PO Box 11-115, Hillcrest, Hamilton 3216, New Zealand. – G. Aarts, IMARES Wageningen UR, Inst. for Marine Resources and Ecosystem Studies, PO Box 167, NL-1790 AD Den Burg, the Netherlands. – T. Piersma, Dept of Marine Ecology, Royal Netherlands Inst. for Sea Research, PO Box 59, NL-1790 AB Den Burg, Texel, the Netherlands, and Animal Ecology Group, Centre for Ecological and Evolutionary Studies, Univ. of Groningen, PO Box 11103, NL-9700 CC Groningen, the Netherlands. – C. F. Dormann, Biometry and Environmental System Analysis, Univ. of Freiburg, Tennenbacher Str. 4, DE-79106 Freiburg, Germany.