Gå til hovedinnhold
Havforskningsinstituttet
HI
English
<- Tilbake
Søk
Søk
Søk
View page in English
Figur
Fra rapporten:
Survey report: Developing methods for abundance estimation of bluefin tuna in Norwegian waters
Figure 4. School of 30-50 tuna observed with the medium frequency sonar at a range of 300 m and 7 degrees tilt to the starboard bow side (vessel in the center of the image).