Metadata
Author: springer
Data
German[de]
Alle vier untersuchten Gruppen meiden das Tageslicht; sie halten sich am Tage vorzugsweise unterhalb 50 m auf.
English[en]
4. As far as it is possible to ascertain the diurnal vertical migrations of these animal groups without separation into species, the four groups can be said to avoid the upper layers during daytime; during this time they occur below 50 m.