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Changes in the color of Antarctic seawater, visible from space, can act as indicators of the health and abundance of phytoplankton. These microscopic algae are the base of the Antarctic food web and play a crucial role in carbon cycling. As ocean temperatures rise due to climate change, alterations in phytoplankton populations, species composition, and overall productivity are expected. By monitoring seawater color variations, scientists can gain insights into the impact of warming waters on these vital organisms and predict potential consequences for the entire Antarctic ecosystem.
