Anchorage Daily news: Rock snot, a slimy-looking algae that vexes salmon and salmon fishermen, is not an alien invader but a homegrown threat gaining strength in changing water conditions, according to a new study by scientists from Dartmouth and Environment Canada.
Officially known as Didymosphenia geminata, which scientists shorten to didymo, it has existed in portions of Alaska for some eight centuries, said the study published online last week in the journal BioScience.
Only recently, though, has the nuisance...