Feeding The Cassin's auklet feeds offshore, often relying on upwellings of
cooler nutrient rich waters and associating with bathymetric landmarks such the continental shelf and underwater canyons.
Not exact matches
This change reduces the upwelling of
cool subsurface
water and cuts off the supply of
nutrient -
rich cold
water upwelling from below.
The
cool nutrient -
rich waters of the north Pacific are able to provide kelp forests with millions of plankton - the base of the aquatic food chain — due to an upwelling of
water from the deep sea in the stormy, winter months.
The mingling of
cool,
nutrient -
rich waters from the north with warm currents from the south form a dynamic transition zone that is home to a myriad of sea life from microscopic plankton to blue whales.
When winds blow surface
water away, it is replaced by
cooler,
nutrient -
rich waters from the deep that support a variety of marine life.
A
cooler surface facilitates upwelling of
cool and
nutrient rich abyssal
water and vice versa.
The typical V of a
cool Pacific decadal phase can be seen in the Pacific with uprising of cold and
nutrient rich water in both the north and south east.
That layer prevents
cooler,
nutrient -
rich water from reaching the surface.
A
cool PDO and a La Niña are the result of cold and carbon dioxide and
nutrient rich water from the oceanic abyss upwelling on the eastern Pacific margin.