Figure 1. Overview of the telemetry receivers in the area. These are placed in the main exposure location in Bakkasund (A), the control area in Osen (B), as curtains to control the western (C), northern (D) and southern (E) gateway from the main area as well as 3 additional spawning sites in the area (F, G, H). The miniature insert picture shows the location of the research area in Austevoll as a red mark.