Above-average low-oxygen Dead Zone covers 5,840 miles along Louisiana coast
Above-average low-oxygen Dead Zone covers 5,840 miles along Louisiana coast By Mark Schleifstein, NOLA.com; The Times-Picayune29 July 2013 Researchers found an above-average 5,840 square mile area with oxygen levels below 2 parts per million along Louisiana's coast, well above the 2,889 square miles measured in 2012, and above the five-year average.(Louisiana Universities Marine Consortium; Louisiana [...]