Crying wolf: limitations of predator-prey studies need not preclude their salient messages.

Deakin University, Geelong, Australia, School of Life and Environmental Sciences, Centre for Integrative Ecology (Burwood Campus), Deakin University, 221 Burwood Highway, Burwood, Victoria 3125, Australia Faculty of Sustainability, Leuphana University Lüneburg, Scharnhorststrasse 1, 21335 Lüneburg, Germany Institute for Land, Water and Society, Charles Sturt University, Albury 2640, Australia Geography Department, and Integrative Research Institute on Transformations in Human-Environment Systems (IRI THESys), Humboldt-University Berlin, Unter den Linden 6, 10099 Berlin, Germany