Phytoplankton rapidly disappearing from the Indian Ocean

Loss of mini marine plants at base of food web threatens sea’s ecology

WATER COLOR  Oxygen-producing plankton are on the decline in the western Indian Ocean, new research suggests. The work tracked changes in water color across the ocean caused by the presence — or absence — of phytoplankton, such as that seen in this swirling 2013 phytoplankton bloom.

LANCE/NASA

A rapid loss of phytoplankton threatens to turn the western Indian Ocean into an “ecological desert,” a new study warns.