The spawning and distribution of mackerel eggs in the North Sea related to the hydrography
Original version
This report is not to be cited without prior reference to the authorsAbstract
The distribution of mackerel eggs in the North Sea have been
studied several years to estimate the spawning stock size.
During these surveys the hydrographical regime has been mapped.
Spawning intensity and hydrographical data have been collected
during the spawning season at fixed localities.
Some of these data are analyzed in this paper to investigate
relationships between the spawning period, the geographical
distribution of mackerel eggs and hydrographical parametres.