Fig. 3: Uncertainty of annual zooplankton indices.
From: Survey coverage impacts ability to detect and predict zooplankton population change
Log10-transformed standard errors versus annual number of grid stations. Standard errors were calculated from Bayesian delta generalized linear models. Sample size is 60 indices (30 years each for North and South subregions). Curves represent the predicted relationship between standard error and sample size (extrapolated across observed sample sizes of 6–35 stations). Line color indicates the z-scored annual mean index for each corresponding point. Inset plot displays time series of annual grid station count sampled in North (red) and South (blue) subregions, highlighting the change in station samples since 2009.
