Whale Engineers-Discovery Files Video
Krill are tiny shrimp-like creatures on which baleen whales feast. Between 1910 and 1970, man depleted the Antarctic whale population by some 1.5 million baleen whales. A team of NSF-funded researchers, have found the decrease in whale population is also causing depletion of krill populations, impacting the health and productivity of ocean ecosystems. Learn more at NSF's "The Discovery Files."
Credit: National Science Foundation & Stanford University
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