Observed and fitted distributions of Echinorhychus truttae in two populations of its definitive host Salmo trutta. Analysis based on data in Suppl. materials 6, 7

Loch Coulter Burn. Negative binomial distribution has parameters: mu=0.167 and k=0.261. Poisson distribution has parameter lambda=0.167. Akaike's information criterion (AIC) for fitted distributions: negative binomial, 43.3; Poisson, 43.9.