Aggregation and vertical migration behavior of Euphausia superba
Meng Zhou and Ryan D. Dorland
Migration and aggregation behavior of Euphausia superba Dana is critical in determining the fate of natural populations in a dynamic physical and biological environment. Observations using traditional net methods and advanced acoustic methods have provided us general patterns of migration and aggregations of E. superba Dana associated with light, predators, and topographic features. Most of mathematical theories on aggregation are based on random walking and autocoherence between animals. However observations based on dynamic theories are rare because there is a lack of methods to follow an E. superba Dana aggregation examining the temporal variation of migration patterns, patch sizes, swimming velocities and aggregation behavior.
Migration and aggregation
behavior of E. superba Dana were