The New York Times, granting northern Ohio one of its occasional datelines, sums up the matter rather tidily:
Lake Erie is sick. A thick and growing coat of toxic algae appears each summer, so vast that in 2011 it covered a sixth of its waters, contributing to an expanding dead zone on its bottom, reducing fish populations, fouling beaches and crippling a tourism industry that generates more than $10 billion in revenue annually.
So the predicted strong rains during the rest of March and April portend vast algae blooms this summer - most notably near Toledo and Sandusky. And the trend since 2002 has been a general increase in the size, scope and depth of the blooms, which essentially strangle the lake and all life within it for months on end.