date:Sep 06, 2012
the fish are. We know that there can be large differences in the aquatic environment at various locations in the pen, which point measurements will not show up. For example, the oxygen level inside the cage be directly harmful to fish, despite the fact that O2 saturation just outside is 100 per cent, says researcher Lars Helge Stien.
The new tools offer far more accurate data than before and make it easier to find the causes of various stress reactions, disease outbreaks, increased mortality a