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🎣 In some places, there are much more fish than elsewhere. The amount of fish plays a strategic role in fishing areas. An explanation of these inequalities in fishing areas is the upwelling effect, also known as Ekman pumping.
🌬️ When the wind blows along the coastside, it drives the surface layer of the sea. But due to the #Coriolis effect, the surface water layer is deflected away from the coast. That surface layer also drives the one located just below it, ... which is also deflected offshore due to Coriolis effect.
⬅️ And so on...
➡️ That results in a net offshore mass transport in the upper layers of the sea.
🦐 To counteract this mass transport; cold water rises from the depths. This mineral-rich water delights #phytoplankton, and therefore, delights zooplankton, fish, ... and fishermen !

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