Interaction frequency as a surrogate for the total effect of animal mutualists on plants

word count: 148 Main text word count (excluding title, abstract, acknowledgments, references, figure and table legends, and appendices): 3,196 Number of references: 47 Number of figures: 3 Number of tables: 0 Number of text appendices: 1 Number of electronic appendices: 2 D. P. Vázquez et al. – 2 Abstract We evaluate whether species interaction frequency… (More)