The phenomenon was first documented by French naturalist Georges Cuvier in 1817. He noted that daphnia, a type of
During … Meer weergeven

This is the most common form of vertical migration. Organisms migrate on a daily basis through different depths in the water column. Migration usually occurs between shallow surface waters of the epipelagic zon… Meer weergeven

There are two different types of factors that are known to play a role in vertical migration, endogenous and exogenous. Endogenous factors originate from the organism itself; sex, age, size, biological rhyt… Meer weergeven

There are many hypotheses as to why organisms would vertically migrate, and several may be valid at any given time.
The universality of DVM suggests that there is some powerful common factor behind it. The … Meer weergeven

Due to the particular types of stimuli and cues used to initiate vertical migration, anomalies can change the pattern drastically.
For example, the occurrence of midnight sun … Meer weergeven

The biological pump is the conversion of CO2 and inorganic nutrients by plant photosynthesis into particulate organic matter in the euphotic zone and transference to the deeper ocean. This is a major proce… Meer weergeven

• Krill
• Phytoplankton
• Primary production Meer weergeven