About the Authors
Integrative Biology Department, University of California at Berkeley, Berkeley, California, United States of America
Jasper Ridge Biological Preserve, Stanford University, Woodside, California, United States of America
Department of Conservation of Biodiversity and Ecosystem Restoration, Pyrenean Institute of Ecology – CSIC, Zaragoza, Spain
UMR CNRS 7205, Muséum National d'Histoire Naturelle, Paris, France
The authors have declared that no competing interests exist.
The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: DMM MEP. Analyzed the data: DMM. Wrote the paper: DMM MEP. Performed the meta-analysis: DMM RY. Interpreted and discussed results from the meta-analysis: DMM MEP FAC.