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LOS ANGELES — Volcanic ash can wreck jet engines, poison freshwater lakes and damage lungs. But it helps fertilize oceans, volcano researchers say.
“The ocean is going to be happier” because of the Iceland eruption, said Ken Johnson, senior scientist with the Monterey Bay Aquarium Research Institute. “Plants will grow more.”
About 30 percent of the oceans are what scientists call iron-limited, rich in many nutrients but missing iron. Sprinkling the ocean with volcanic ash — shards of glass rich in iron — releases that limit. Los Angeles Times
