<http://schema.org/alternativeHeadline>
"Several things can influence a bloom's well-being, including available sunlight and organisms that eat the algae, but viruses likely control the proliferation of blooms."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/stories/viruses-deflate-huge-algal-blooms-at-sea>