What's Happening?
The largest migration on Earth occurs daily as 10 billion tonnes of marine animals move between the ocean's twilight and sunlight zones in a phenomenon known as diel vertical migration (DVM). This migration involves zooplankton and other marine creatures
rising to the surface at night to feed, reducing the risk of predation. The migration is a critical component of the ocean's ecosystem, influencing nutrient cycles and food webs. Despite its scale, this migration is less known compared to terrestrial migrations like the Great Nile Migration.
Why It's Important?
Understanding diel vertical migration is crucial for marine conservation and ecosystem management. This migration plays a significant role in carbon cycling and the ocean's biological pump, impacting global climate regulation. As human activities continue to affect marine environments, studying these migrations can inform conservation strategies and highlight the interconnectedness of oceanic and terrestrial ecosystems. The migration's scale and impact underscore the need for comprehensive marine research and protection efforts.











