The combination of natural and man-made circumstances "is unfortunately consistent with ongoing trends, which means that more huge algal blooms can be expected in the future unless a scientifically guided management plan is implemented for the region, " said the report's lead author, Anna Michalak, of the Carnegie Institution for Science.
"It's been puzzling why previous estimates for the planet's interior have been so dry, " co-author Erik Hauri of the Carnegie Institution of Washington said in a statement.