The Weekly Dive Vol. 62



Dive into the latest edition of The Weekly Dive, where we bring you the big ocean news! 


'Dirty Blizzard' in Gulf may account for missing Deepwater Horizon oil. Researchers have found evidence that oil clumped with plankton and other material and fell to the seafloor, in what is being referred to as a ‘dirty blizzard.’ This would account for much of the oil that was never recovered.  [Underwater Times] 


Several grocery chains commit not to sell genetically modified salmon. The fish could become the first genetically modified animal to reach the market and several grocery store chains have pledged not to offer it in their stores, arguing that it conflicts with their environmental policies. [The New York Times]


Thousands of dead prawns wash ashore in Chile, prompting investigation. Environmental conditions in Coronel Bay are being studied in hopes of finding an explanation for the mass death of prawns, a disaster for local fishermen. [BBC] 


DNA shows there’s one giant squid species worldwide. It had been thought that there were several species of giant squid separated by ocean basins, but research shows remarkably similar DNA across its vast range.  [Science Daily] 


Soft corals could benefit while hard corals decline due to climate change. Comparing the effects of ocean acidification on stony and soft corals, scientists found reef-building corals could be worse affected due to the dissolution of their calcareous skeletons and negatively impact the fish that use them as shelter, while making room for less vulnerable soft corals. [The Huffington Post] 


Great white sharks eat three to four times as much as previously thought. New research on metabolic rates of great white sharks indicate they eat much more than was previously believed, and thus indicates that they play an even more important role in the ecosystem. [Discovery] 


Research predicts a future tenfold increase in hurricane surges with changing climate. For every 2 degrees Celcius temperature increase, the study found there would be ten times as many hurricane surges. That would mean a Katrina-level surge every-other year. [Science Daily] 
 

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