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What are
phytoplankton?
Why are phytoplankton
important?
How could a fisherman use phytoplankton data?
Ocean
Productivity Activity
 Coccolithophore Bloom in the Eastern Bering Sea
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Cold waters have high concentrations of nutrients, leading to
phytoplankton growth and creating a highly productive fishing area. Ocean plants
live within 200 meters from the surface where there is sunlight.
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How could a fisherman use data on phytoplankton?
These small plants are the beginning of
the food chain for most of the planet. As phytoplankton grow and multiply, small
fish and other animals eat them as food. Larger animals then eat these smaller
ones. The ocean fishing industry finds good fishing spots by looking at ocean
color images to locate areas rich in phytoplankton. Ocean color is therefore a
valuable research tool for the study of ocean biology, chemistry, and
physics
When wind-driven surface currents carry water away from continents, an upwelling
of deep ocean water occurs. These cold waters have high concentrations of
nutrients, leading to phytoplankton growth and creating a highly productive
fishing area. Ocean plants live within 200 meters of the surface where there
is sunlight.
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