Production zone 4.

Modeled lice density from May 23rd to June 12th 2016 (a) in production zone 4 showing the position of five locations with wild fish data. Relative intensity (b) divided into categories; <0.1 lice/g, 0.1–0.2 lice/g, 0.2–0.3 lice/g and >0.3 lice/g, and distribution of lice stages (c) for the five locations; Herdlafjorden, Herøyosen, Solund, Sørbøvågen and Maurstadvika.