Fig. 1

Molecular Ecology data, plotted by year. a Distribution of the number of review invitations sent between 2009 and 2015 by year. The black lines are the medians, the boxes indicate the interquartile range, the whiskers extend to 1.5 times the interquartile range (IQR), and the points are outliers beyond 1.5*IQR. b Number of manuscripts with different numbers of completed reviews by year. c Mean proportion of completed reviews by year with the bottom panel showing the impact factor in grey crosses. The error bars indicate the 95 % confidence intervals