Predicted ballast water discharge (kilotonnes) per port for the contemporary data. Data are the mean and standard deviation of total volume as estimated by bootstrapping. The figure displays the mean and 10% and 90% quantiles of the bootstrap distribution.

 
 
  Part of: Hatami R, Inglis G, Lane SE, Growcott A, Kluza D, Lubarsky C, Jones-Todd C, Seaward K, Robinson AP (2022) Modelling the likelihood of entry of marine non-indigenous species from internationally arriving vessels to maritime ports: a case study using New Zealand data. NeoBiota 72: 183-203. https://doi.org/10.3897/neobiota.72.77266