Figure 4
From: Application of citizen science with the nationwide bird census
Scatterplot and linear regression line for species and individuals detected at 32 sites, surveyed by both methods (citizen science and national monitoring). (a) Number of species per family, (c) Number of individuals per family, (e) Number of individuals per species, (b, d, f) excluding outlier from (a, c, e). The solid black line indicates a 1:1 relationship between the values of the two methods. The actual line of regression between two method is indicated by the dashed red line. R2: Coefficient of determination of regression; rs: Correlation coefficient.
