Scientists from the U.S. Army Engineer Research and Development Center Environmental Laboratory (ERDC-EL) recently assisted USACE New Orleans District in measuring the turbidity near a dredging operation in the Bayou Rigaud Federal Navigation Channel.
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New research led by LSU alumna Joanna Griffiths of Portland, Oregon, and her faculty adviser, LSU Department of Biological Sciences Associate Professor Morgan Kelly, sheds light on why some oysters are more resistant to freshwater than others. Their results, which were released this week, significantly affect this commercially valuable marine species.
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IMAGE: Oysters were raised at this medium salinity site on long lines in Grand Isle for two years before being cross-bred with oysters raised at a low salinity site at the. view more
Credit: Photo Credit: Morgan Kelly, LSU
Oysters live and grow in saltwater. However, the saltiness of their habitat can change dramatically, especially where the mighty Mississippi River flows into the Gulf of Mexico. Louisiana oysters from the northern Gulf of Mexico may experience some of the lowest salinity in the world due to the influx of fresh water from the Mississippi River. In addition, increased rainfall and large-scale river diversions for coastal protection will bring more fresh water that does not bode well for the eastern oyster. New research led by Louisiana State University (LSU) alumna Joanna Griffiths from Portland, Oregon, and her faculty advisor LSU Department of Biological Sciences Associate Professor Morgan Kelly reveals new information on why some oysters may