DEP News Release: Water Sampling Confirms Low Oxygen Levels in Delaware Bay


Photo credit: dailypress.com
The Department of Environmental Protection yesterday afternoon received new water sampling results that strongly suggest low oxygen levels were behind the massive die-off of menhaden in Delaware Bay.

Three of four samples taken today showed dissolved oxygen levels below 5 micrograms per liter. Any level below that is considered biologically stressed. The fourth sample was just above the threshold. The lowest reading - 3.4 micrograms per liter - was recorded at Pierce’s Point in Middle Township, one of the areas hard hit by washed-up fish.

“Although taken after the fact, these tests suggest that oxygen levels in the bay were probably very low and caused the die-off of fish,” said Robert Van Fossen, the DEP’s Assistant Director for Emergency Management.
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Posted by WILDNEWJERSEY at 8/13/2010 10:00 AM
Categories: uncategorized
Tags: delaware bay njdep fish kill menhaden water sampling
 

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