United States Geological Survey

If the water looks and smells bad, it may be toxic

Earthy or musty odors, along with visual evidence of blue-green algae, also known as cyanobacteria, may serve as a warning that harmful cyanotoxins are present in lakes or reservoirs. In a newly published USGS study of cyanobacterial ...

dateSep 13, 2010 in Environment
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Ocean warming affecting Florida reefs

Late-summer water temperatures near the Florida Keys were warmer by nearly 2 degrees Fahrenheit in the last several decades compared to a century earlier, according to a new study by the U.S. Geological Survey.

dateSep 10, 2014 in Environment
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Genetics provides new clues about lionfish invasion

New genetic data suggest the red lionfish invasion in the Caribbean Basin and Western Atlantic started in multiple locations, not just one as previously believed, according to a new study led by the U.S. Geological Survey.

dateApr 23, 2015 in Ecology
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